./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b91f1f51b5e066a8b0d7e6d03754d28953e63e6dd17294fbe476ba36b896c8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:51:32,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:51:32,596 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:51:32,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:51:32,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:51:32,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:51:32,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:51:32,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:51:32,622 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:51:32,622 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:51:32,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:51:32,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:51:32,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:51:32,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:51:32,623 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:51:32,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:51:32,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:51:32,623 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:51:32,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:51:32,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:51:32,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:51:32,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:51:32,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:51:32,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:51:32,623 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:51:32,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:51:32,624 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:51:32,624 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:51:32,624 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:51:32,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:51:32,624 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:51:32,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:51:32,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:51:32,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:51:32,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:51:32,624 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:51:32,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:51:32,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:51:32,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:51:32,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:51:32,625 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:51:32,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:51:32,625 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:51:32,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:51:32,625 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:51:32,625 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:51:32,625 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:51:32,625 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:51:32,625 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b91f1f51b5e066a8b0d7e6d03754d28953e63e6dd17294fbe476ba36b896c8f [2024-12-02 06:51:32,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:51:32,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:51:32,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:51:32,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:51:32,864 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:51:32,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i [2024-12-02 06:51:35,431 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/data/8d0f4ab28/c46b7408fe7f4389841aa70616aaaa36/FLAGaf6dbeb06 [2024-12-02 06:51:35,655 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:51:35,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i [2024-12-02 06:51:35,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/data/8d0f4ab28/c46b7408fe7f4389841aa70616aaaa36/FLAGaf6dbeb06 [2024-12-02 06:51:36,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/data/8d0f4ab28/c46b7408fe7f4389841aa70616aaaa36 [2024-12-02 06:51:36,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:51:36,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:51:36,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:51:36,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:51:36,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:51:36,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e14cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36, skipping insertion in model container [2024-12-02 06:51:36,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:51:36,147 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i[917,930] [2024-12-02 06:51:36,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:51:36,225 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:51:36,234 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i[917,930] [2024-12-02 06:51:36,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:51:36,290 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:51:36,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36 WrapperNode [2024-12-02 06:51:36,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:51:36,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:51:36,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:51:36,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:51:36,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,347 INFO L138 Inliner]: procedures = 29, calls = 195, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 673 [2024-12-02 06:51:36,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:51:36,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:51:36,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:51:36,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:51:36,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,361 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,383 INFO L175 MemorySlicer]: Split 166 memory accesses to 5 slices as follows [2, 34, 18, 19, 93]. 56 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 2, 2, 4]. The 17 writes are split as follows [0, 6, 2, 2, 7]. [2024-12-02 06:51:36,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,401 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:51:36,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:51:36,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:51:36,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:51:36,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36" (1/1) ... [2024-12-02 06:51:36,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:51:36,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:51:36,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:51:36,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:51:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:51:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 06:51:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 06:51:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 06:51:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 06:51:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 06:51:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:51:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:51:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:51:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:51:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 06:51:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 06:51:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 06:51:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 06:51:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 06:51:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 06:51:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:51:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:51:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:51:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:51:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 06:51:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 06:51:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 06:51:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 06:51:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 06:51:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 06:51:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:51:36,471 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:51:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:51:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:51:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:51:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:51:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 06:51:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:51:36,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:51:36,603 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:51:36,605 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:51:37,174 INFO L? ?]: Removed 216 outVars from TransFormulas that were not future-live. [2024-12-02 06:51:37,174 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:51:37,186 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:51:37,186 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:51:37,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:37 BoogieIcfgContainer [2024-12-02 06:51:37,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:51:37,189 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:51:37,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:51:37,193 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:51:37,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:51:36" (1/3) ... [2024-12-02 06:51:37,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb85523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:51:37, skipping insertion in model container [2024-12-02 06:51:37,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:36" (2/3) ... [2024-12-02 06:51:37,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb85523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:51:37, skipping insertion in model container [2024-12-02 06:51:37,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:37" (3/3) ... [2024-12-02 06:51:37,195 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-49.i [2024-12-02 06:51:37,210 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:51:37,212 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-49.i that has 2 procedures, 136 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:51:37,267 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:51:37,278 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1221a1ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:51:37,279 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:51:37,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 119 states have (on average 1.4705882352941178) internal successors, (175), 120 states have internal predecessors, (175), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 06:51:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 06:51:37,293 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:51:37,294 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:37,294 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:51:37,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:37,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1655919171, now seen corresponding path program 1 times [2024-12-02 06:51:37,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:51:37,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279386133] [2024-12-02 06:51:37,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:37,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:51:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:37,557 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 06:51:37,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:51:37,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279386133] [2024-12-02 06:51:37,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279386133] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:51:37,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584552565] [2024-12-02 06:51:37,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:37,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:51:37,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:51:37,560 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:51:37,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:51:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:37,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:51:37,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:51:37,833 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 06:51:37,833 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:51:37,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584552565] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:51:37,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:51:37,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 06:51:37,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018382370] [2024-12-02 06:51:37,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:51:37,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:51:37,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:51:37,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:51:37,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:51:37,859 INFO L87 Difference]: Start difference. First operand has 136 states, 119 states have (on average 1.4705882352941178) internal successors, (175), 120 states have internal predecessors, (175), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 06:51:37,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:51:37,884 INFO L93 Difference]: Finished difference Result 265 states and 414 transitions. [2024-12-02 06:51:37,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:51:37,885 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2024-12-02 06:51:37,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:51:37,890 INFO L225 Difference]: With dead ends: 265 [2024-12-02 06:51:37,890 INFO L226 Difference]: Without dead ends: 132 [2024-12-02 06:51:37,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:51:37,896 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:51:37,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:51:37,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-12-02 06:51:37,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-12-02 06:51:37,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 116 states have (on average 1.4482758620689655) internal successors, (168), 116 states have internal predecessors, (168), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 06:51:37,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 196 transitions. [2024-12-02 06:51:37,934 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 196 transitions. Word has length 117 [2024-12-02 06:51:37,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:51:37,934 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 196 transitions. [2024-12-02 06:51:37,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 06:51:37,935 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 196 transitions. [2024-12-02 06:51:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 06:51:37,937 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:51:37,937 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:37,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:51:38,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:51:38,138 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:51:38,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:38,139 INFO L85 PathProgramCache]: Analyzing trace with hash -358103061, now seen corresponding path program 1 times [2024-12-02 06:51:38,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:51:38,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461589224] [2024-12-02 06:51:38,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:38,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:51:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:38,988 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:51:38,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:51:38,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461589224] [2024-12-02 06:51:38,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461589224] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:51:38,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:51:38,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:51:38,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827105394] [2024-12-02 06:51:38,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:51:38,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:51:38,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:51:38,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:51:38,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:51:38,992 INFO L87 Difference]: Start difference. First operand 132 states and 196 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:51:39,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:51:39,301 INFO L93 Difference]: Finished difference Result 345 states and 511 transitions. [2024-12-02 06:51:39,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:51:39,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2024-12-02 06:51:39,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:51:39,305 INFO L225 Difference]: With dead ends: 345 [2024-12-02 06:51:39,305 INFO L226 Difference]: Without dead ends: 216 [2024-12-02 06:51:39,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:51:39,307 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 119 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:51:39,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 759 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:51:39,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-12-02 06:51:39,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 213. [2024-12-02 06:51:39,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 188 states have (on average 1.4414893617021276) internal successors, (271), 189 states have internal predecessors, (271), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:51:39,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 315 transitions. [2024-12-02 06:51:39,328 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 315 transitions. Word has length 117 [2024-12-02 06:51:39,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:51:39,329 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 315 transitions. [2024-12-02 06:51:39,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:51:39,329 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 315 transitions. [2024-12-02 06:51:39,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 06:51:39,331 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:51:39,332 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:39,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:51:39,332 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:51:39,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:39,333 INFO L85 PathProgramCache]: Analyzing trace with hash 132184262, now seen corresponding path program 1 times [2024-12-02 06:51:39,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:51:39,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143307482] [2024-12-02 06:51:39,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:39,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:51:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 06:51:40,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:51:40,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143307482] [2024-12-02 06:51:40,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143307482] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:51:40,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570607985] [2024-12-02 06:51:40,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:40,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:51:40,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:51:40,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:51:40,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 06:51:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:40,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 06:51:40,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:51:41,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:51:41,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 51 [2024-12-02 06:51:41,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 06:51:41,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2024-12-02 06:51:41,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 06:51:41,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-12-02 06:51:42,344 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:51:42,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 79 [2024-12-02 06:51:42,491 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-12-02 06:51:42,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:51:43,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 204 treesize of output 180 [2024-12-02 06:51:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:51:43,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570607985] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:51:43,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:51:43,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11, 9] total 24 [2024-12-02 06:51:43,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707064683] [2024-12-02 06:51:43,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:51:43,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:51:43,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:51:43,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:51:43,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2024-12-02 06:51:43,314 INFO L87 Difference]: Start difference. First operand 213 states and 315 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 06:51:43,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:51:43,976 INFO L93 Difference]: Finished difference Result 618 states and 915 transitions. [2024-12-02 06:51:43,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:51:43,976 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2024-12-02 06:51:43,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:51:43,979 INFO L225 Difference]: With dead ends: 618 [2024-12-02 06:51:43,979 INFO L226 Difference]: Without dead ends: 408 [2024-12-02 06:51:43,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=110, Invalid=760, Unknown=0, NotChecked=0, Total=870 [2024-12-02 06:51:43,981 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 712 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:51:43,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [712 Valid, 1356 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:51:43,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-12-02 06:51:44,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 404. [2024-12-02 06:51:44,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 365 states have (on average 1.452054794520548) internal successors, (530), 368 states have internal predecessors, (530), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 06:51:44,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 598 transitions. [2024-12-02 06:51:44,009 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 598 transitions. Word has length 119 [2024-12-02 06:51:44,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:51:44,010 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 598 transitions. [2024-12-02 06:51:44,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 06:51:44,010 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 598 transitions. [2024-12-02 06:51:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 06:51:44,012 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:51:44,012 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:44,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 06:51:44,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-12-02 06:51:44,213 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:51:44,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:44,214 INFO L85 PathProgramCache]: Analyzing trace with hash -260842748, now seen corresponding path program 1 times [2024-12-02 06:51:44,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:51:44,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577424082] [2024-12-02 06:51:44,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:44,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:51:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:44,847 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:51:44,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:51:44,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577424082] [2024-12-02 06:51:44,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577424082] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:51:44,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:51:44,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:51:44,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18724243] [2024-12-02 06:51:44,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:51:44,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:51:44,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:51:44,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:51:44,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:51:44,849 INFO L87 Difference]: Start difference. First operand 404 states and 598 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 06:51:45,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:51:45,099 INFO L93 Difference]: Finished difference Result 834 states and 1232 transitions. [2024-12-02 06:51:45,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:51:45,102 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 119 [2024-12-02 06:51:45,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:51:45,105 INFO L225 Difference]: With dead ends: 834 [2024-12-02 06:51:45,105 INFO L226 Difference]: Without dead ends: 433 [2024-12-02 06:51:45,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:51:45,107 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 900 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:51:45,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [900 Valid, 660 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:51:45,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-12-02 06:51:45,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 402. [2024-12-02 06:51:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 363 states have (on average 1.4490358126721763) internal successors, (526), 366 states have internal predecessors, (526), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 06:51:45,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 594 transitions. [2024-12-02 06:51:45,133 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 594 transitions. Word has length 119 [2024-12-02 06:51:45,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:51:45,133 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 594 transitions. [2024-12-02 06:51:45,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 06:51:45,134 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 594 transitions. [2024-12-02 06:51:45,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 06:51:45,135 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:51:45,135 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:45,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:51:45,136 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:51:45,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:45,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1402700193, now seen corresponding path program 1 times [2024-12-02 06:51:45,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:51:45,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597767695] [2024-12-02 06:51:45,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:45,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:51:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 06:51:45,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:51:45,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597767695] [2024-12-02 06:51:45,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597767695] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:51:45,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304197325] [2024-12-02 06:51:45,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:45,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:51:45,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:51:45,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:51:45,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 06:51:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:46,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 06:51:46,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:51:46,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:51:46,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-12-02 06:51:47,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 06:51:47,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:51:47,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 06:51:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-12-02 06:51:47,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:51:47,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304197325] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:51:47,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:51:47,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 18 [2024-12-02 06:51:47,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178708873] [2024-12-02 06:51:47,159 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:51:47,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 06:51:47,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:51:47,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 06:51:47,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:51:47,161 INFO L87 Difference]: Start difference. First operand 402 states and 594 transitions. Second operand has 18 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 7 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2024-12-02 06:51:47,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:51:47,784 INFO L93 Difference]: Finished difference Result 835 states and 1215 transitions. [2024-12-02 06:51:47,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:51:47,785 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 7 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) Word has length 119 [2024-12-02 06:51:47,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:51:47,787 INFO L225 Difference]: With dead ends: 835 [2024-12-02 06:51:47,788 INFO L226 Difference]: Without dead ends: 436 [2024-12-02 06:51:47,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 138 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2024-12-02 06:51:47,790 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 536 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:51:47,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 1284 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:51:47,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-12-02 06:51:47,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 418. [2024-12-02 06:51:47,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 375 states have (on average 1.4293333333333333) internal successors, (536), 378 states have internal predecessors, (536), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 06:51:47,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 604 transitions. [2024-12-02 06:51:47,815 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 604 transitions. Word has length 119 [2024-12-02 06:51:47,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:51:47,816 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 604 transitions. [2024-12-02 06:51:47,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 7 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2024-12-02 06:51:47,816 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 604 transitions. [2024-12-02 06:51:47,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 06:51:47,817 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:51:47,818 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:47,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 06:51:48,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:51:48,018 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:51:48,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:48,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1086473895, now seen corresponding path program 1 times [2024-12-02 06:51:48,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:51:48,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191773127] [2024-12-02 06:51:48,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:48,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:51:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 06:51:48,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:51:48,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191773127] [2024-12-02 06:51:48,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191773127] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:51:48,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381602697] [2024-12-02 06:51:48,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:48,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:51:48,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:51:48,694 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:51:48,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 06:51:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:48,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 06:51:48,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:51:49,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:51:49,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 06:51:49,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:51:49,759 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-02 06:51:49,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2024-12-02 06:51:49,799 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-12-02 06:51:49,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 12 [2024-12-02 06:51:49,810 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 06:51:49,810 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:51:49,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381602697] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:51:49,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:51:49,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2024-12-02 06:51:49,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033054902] [2024-12-02 06:51:49,901 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:51:49,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 06:51:49,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:51:49,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 06:51:49,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2024-12-02 06:51:49,902 INFO L87 Difference]: Start difference. First operand 418 states and 604 transitions. Second operand has 18 states, 16 states have (on average 6.3125) internal successors, (101), 17 states have internal predecessors, (101), 7 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) [2024-12-02 06:51:50,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:51:50,458 INFO L93 Difference]: Finished difference Result 1159 states and 1654 transitions. [2024-12-02 06:51:50,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:51:50,458 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.3125) internal successors, (101), 17 states have internal predecessors, (101), 7 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) Word has length 121 [2024-12-02 06:51:50,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:51:50,462 INFO L225 Difference]: With dead ends: 1159 [2024-12-02 06:51:50,462 INFO L226 Difference]: Without dead ends: 744 [2024-12-02 06:51:50,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 139 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2024-12-02 06:51:50,464 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 1238 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1238 SdHoareTripleChecker+Valid, 1320 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:51:50,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1238 Valid, 1320 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:51:50,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-12-02 06:51:50,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 442. [2024-12-02 06:51:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 395 states have (on average 1.4177215189873418) internal successors, (560), 398 states have internal predecessors, (560), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 06:51:50,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 628 transitions. [2024-12-02 06:51:50,505 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 628 transitions. Word has length 121 [2024-12-02 06:51:50,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:51:50,506 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 628 transitions. [2024-12-02 06:51:50,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.3125) internal successors, (101), 17 states have internal predecessors, (101), 7 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) [2024-12-02 06:51:50,506 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 628 transitions. [2024-12-02 06:51:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 06:51:50,508 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:51:50,508 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:50,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 06:51:50,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:51:50,709 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:51:50,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:50,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1673279909, now seen corresponding path program 1 times [2024-12-02 06:51:50,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:51:50,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685155889] [2024-12-02 06:51:50,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:50,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:51:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:51:50,772 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:51:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:51:50,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:51:50,894 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:51:50,895 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:51:50,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:51:50,900 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:50,996 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:51:50,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:51:50 BoogieIcfgContainer [2024-12-02 06:51:50,999 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:51:51,000 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:51:51,000 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:51:51,000 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:51:51,001 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:37" (3/4) ... [2024-12-02 06:51:51,003 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 06:51:51,003 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:51:51,004 INFO L158 Benchmark]: Toolchain (without parser) took 14983.50ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 92.0MB in the beginning and 129.5MB in the end (delta: -37.4MB). Peak memory consumption was 139.8MB. Max. memory is 16.1GB. [2024-12-02 06:51:51,004 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:51:51,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.95ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 75.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:51:51,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.92ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 70.5MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:51:51,005 INFO L158 Benchmark]: Boogie Preprocessor took 73.20ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 65.2MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:51:51,005 INFO L158 Benchmark]: RCFGBuilder took 764.81ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 71.5MB in the end (delta: -6.3MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-12-02 06:51:51,005 INFO L158 Benchmark]: TraceAbstraction took 13810.56ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 71.0MB in the beginning and 129.5MB in the end (delta: -58.5MB). Peak memory consumption was 115.9MB. Max. memory is 16.1GB. [2024-12-02 06:51:51,006 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 293.6MB. Free memory was 129.5MB in the beginning and 129.5MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:51:51,007 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.95ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 75.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.92ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 70.5MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.20ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 65.2MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 764.81ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 71.5MB in the end (delta: -6.3MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * TraceAbstraction took 13810.56ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 71.0MB in the beginning and 129.5MB in the end (delta: -58.5MB). Peak memory consumption was 115.9MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 293.6MB. Free memory was 129.5MB in the beginning and 129.5MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [L25] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer = &(BOOL_unsigned_char_Array_0[0][0]); [L26] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer = &(BOOL_unsigned_char_Array_0[1][0]); [L27] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer = &(BOOL_unsigned_char_Array_0[0][1]); [L28] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer = &(BOOL_unsigned_char_Array_0[1][1]); [L29-L31] float float_Array_0[2] = { 1000.2, 1000000000000000.4 }; [L29-L31] float float_Array_0[2] = { 1000.2, 1000000000000000.4 }; [L29-L31] float float_Array_0[2] = { 1000.2, 1000000000000000.4 }; [L32] float* float_Array_0_arrayfloat_Array_0arrayVar0_Pointer = &(float_Array_0[0]); [L33] float* float_Array_0_arrayfloat_Array_0arrayVar1_Pointer = &(float_Array_0[1]); [L34-L36] signed short int signed_short_int_Array_0[2] = { -2, 128 }; [L34-L36] signed short int signed_short_int_Array_0[2] = { -2, 128 }; [L34-L36] signed short int signed_short_int_Array_0[2] = { -2, 128 }; [L37] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer = &(signed_short_int_Array_0[0]); [L38] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer = &(signed_short_int_Array_0[1]); [L39-L41] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; [L39-L41] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; [L39-L41] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; [L39-L41] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; [L39-L41] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; [L42] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer = &(unsigned_short_int_Array_0[0][0]); [L43] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer = &(unsigned_short_int_Array_0[1][0]); [L44] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer = &(unsigned_short_int_Array_0[0][1]); [L45] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer = &(unsigned_short_int_Array_0[1][1]); VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=0, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L107] isInitial = 1 [L108] FCALL initially() [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L77] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L78] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L78] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L78] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L79] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L80] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L81] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L81] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L81] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L82] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L82] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L82] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L83] float_Array_0[0] = __VERIFIER_nondet_float() [L84] EXPR float_Array_0[0] [L84] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L84] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L84] EXPR float_Array_0[0] [L84] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L84] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L84] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L84] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L84] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L85] float_Array_0[1] = __VERIFIER_nondet_float() [L86] EXPR float_Array_0[1] [L86] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L86] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L86] EXPR float_Array_0[1] [L86] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L86] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L86] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L86] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L86] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L87] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L88] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L88] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -32766) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L88] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -32766) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L89] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L89] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L89] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L90] unsigned_short_int_Array_0[0][0] = __VERIFIER_nondet_ushort() [L91] EXPR unsigned_short_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L91] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L91] RET assume_abort_if_not(unsigned_short_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L92] EXPR unsigned_short_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L92] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L92] RET assume_abort_if_not(unsigned_short_int_Array_0[0][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L93] unsigned_short_int_Array_0[1][0] = __VERIFIER_nondet_ushort() [L94] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L94] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L94] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L95] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L95] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L95] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L96] unsigned_short_int_Array_0[0][1] = __VERIFIER_nondet_ushort() [L97] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L97] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L97] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L98] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L98] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, \old(cond)=1, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L98] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L111] RET updateVariables() [L112] CALL step() [L49] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L49] EXPR (((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) [L49] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer) [L49] EXPR (((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L49] (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) = (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))))) [L50] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L50] EXPR 50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L50] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L50] COND FALSE !((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) [L53] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer) [L53] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) = (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))) [L55] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L55] COND TRUE ! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) [L56] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer) [L56] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer) [L56] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L56] EXPR (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) [L56] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer) [L56] EXPR (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L56] COND FALSE !((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) >= (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) [L59] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer) [L59] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) = (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)) [L62] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L62] COND TRUE (*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f [L63] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar1_Pointer) [L63] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L63] COND FALSE !((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) [L66] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L66] COND FALSE !((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer))) [L69] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer) [L69] (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) = (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar1_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103] EXPR ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50)) [L103] EXPR \read(*unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer) [L103] EXPR ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50)) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103] EXPR (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103] EXPR (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103] EXPR ((((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))))))) && (((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) ((! (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103] EXPR ((((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))))))) && (((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) ((! (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103] EXPR (((((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))))))) && (((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) ((! (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))))) && ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) >= (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) && (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103] EXPR (((((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))))))) && (((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) ((! (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))))) && ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) >= (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) && (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L103-L104] return (((((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= 64.5f) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) ((((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) < 0 ) ? -(((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))) : (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) > ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))))))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) : ((((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) > ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))))))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)))))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer)) == ((unsigned short int) 50))) && ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) == ((signed short int) (((((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) < 0 ) ? -((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)))))))) && (((50 >> (*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer))) <= (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) ((! (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer)))) || (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) == ((unsigned char) (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))))) && ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? (((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer)) >= (((((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) < ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) ? ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer)) && (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer))))) : 1) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:2}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer={4:1}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer={4:3}, float_Array_0={5:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={5:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={5:4}, isInitial=1, signed_short_int_Array_0={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={6:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={6:2}, unsigned_short_int_Array_0={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={7:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var1_Pointer={7:4}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var2_Pointer={7:2}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var3_Pointer={7:6}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 7, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3505 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3505 mSDsluCounter, 5575 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4450 mSDsCounter, 312 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1333 IncrementalHoareTripleChecker+Invalid, 1645 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 312 mSolverCounterUnsat, 1125 mSDtfsCounter, 1333 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 733 GetRequests, 627 SyntacticMatches, 6 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=442occurred in iteration=6, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 358 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 1309 NumberOfCodeBlocks, 1309 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1296 ConstructedInterpolants, 4 QuantifiedInterpolants, 11546 SizeOfPredicates, 27 NumberOfNonLiveVariables, 1783 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 3426/4004 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 06:51:51,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b91f1f51b5e066a8b0d7e6d03754d28953e63e6dd17294fbe476ba36b896c8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:51:52,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:51:53,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 06:51:53,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:51:53,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:51:53,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:51:53,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:51:53,099 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:51:53,099 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:51:53,099 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:51:53,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:51:53,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:51:53,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:51:53,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:51:53,100 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:51:53,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:51:53,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:51:53,100 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:51:53,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:51:53,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:51:53,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:51:53,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:51:53,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:51:53,100 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 06:51:53,101 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 06:51:53,101 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 06:51:53,101 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:51:53,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:51:53,101 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:51:53,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:51:53,101 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:51:53,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:51:53,101 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:51:53,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:51:53,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:51:53,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:51:53,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:51:53,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:51:53,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:51:53,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:51:53,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:51:53,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:51:53,102 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:51:53,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:51:53,102 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 06:51:53,102 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 06:51:53,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:51:53,102 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:51:53,102 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:51:53,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:51:53,103 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b91f1f51b5e066a8b0d7e6d03754d28953e63e6dd17294fbe476ba36b896c8f [2024-12-02 06:51:53,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:51:53,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:51:53,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:51:53,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:51:53,356 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:51:53,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i [2024-12-02 06:51:56,132 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/data/38ad1a4e5/c031d923fe364ab788d219923290f45d/FLAG722ed4832 [2024-12-02 06:51:56,322 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:51:56,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i [2024-12-02 06:51:56,331 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/data/38ad1a4e5/c031d923fe364ab788d219923290f45d/FLAG722ed4832 [2024-12-02 06:51:56,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/data/38ad1a4e5/c031d923fe364ab788d219923290f45d [2024-12-02 06:51:56,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:51:56,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:51:56,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:51:56,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:51:56,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:51:56,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:56,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb57549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56, skipping insertion in model container [2024-12-02 06:51:56,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:56,702 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:51:56,804 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i[917,930] [2024-12-02 06:51:56,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:51:56,882 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:51:56,890 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-49.i[917,930] [2024-12-02 06:51:56,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:51:56,946 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:51:56,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56 WrapperNode [2024-12-02 06:51:56,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:51:56,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:51:56,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:51:56,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:51:56,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:56,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:56,997 INFO L138 Inliner]: procedures = 33, calls = 195, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 658 [2024-12-02 06:51:56,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:51:56,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:51:56,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:51:56,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:51:57,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:57,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:57,013 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:57,034 INFO L175 MemorySlicer]: Split 166 memory accesses to 5 slices as follows [2, 34, 18, 19, 93]. 56 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 2, 2, 4]. The 17 writes are split as follows [0, 6, 2, 2, 7]. [2024-12-02 06:51:57,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:57,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:57,054 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:57,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:57,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:57,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:57,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:57,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:51:57,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:51:57,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:51:57,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:51:57,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56" (1/1) ... [2024-12-02 06:51:57,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:51:57,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:51:57,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:51:57,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:51:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:51:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 06:51:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 06:51:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 06:51:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 06:51:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 06:51:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 06:51:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 06:51:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 06:51:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 06:51:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 06:51:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 06:51:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 06:51:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 06:51:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 06:51:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 06:51:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 06:51:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 06:51:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 06:51:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 06:51:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 06:51:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 06:51:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 06:51:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 06:51:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 06:51:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 06:51:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 06:51:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 06:51:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 06:51:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 06:51:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 06:51:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 06:51:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 06:51:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 06:51:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 06:51:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 06:51:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:51:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:51:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:51:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:51:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 06:51:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 06:51:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 06:51:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 06:51:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 06:51:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 06:51:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 06:51:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 06:51:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 06:51:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 06:51:57,291 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:51:57,293 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:51:57,925 INFO L? ?]: Removed 212 outVars from TransFormulas that were not future-live. [2024-12-02 06:51:57,925 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:51:57,936 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:51:57,936 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:51:57,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:57 BoogieIcfgContainer [2024-12-02 06:51:57,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:51:57,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:51:57,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:51:57,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:51:57,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:51:56" (1/3) ... [2024-12-02 06:51:57,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60ad7bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:51:57, skipping insertion in model container [2024-12-02 06:51:57,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:56" (2/3) ... [2024-12-02 06:51:57,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60ad7bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:51:57, skipping insertion in model container [2024-12-02 06:51:57,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:57" (3/3) ... [2024-12-02 06:51:57,944 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-49.i [2024-12-02 06:51:57,955 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:51:57,956 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-49.i that has 2 procedures, 130 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:51:57,999 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:51:58,008 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@58008814, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:51:58,008 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:51:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 114 states have internal predecessors, (167), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 06:51:58,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 06:51:58,021 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:51:58,021 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:58,022 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:51:58,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:58,027 INFO L85 PathProgramCache]: Analyzing trace with hash -705705352, now seen corresponding path program 1 times [2024-12-02 06:51:58,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:51:58,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974957379] [2024-12-02 06:51:58,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:58,037 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:51:58,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:51:58,039 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:51:58,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 06:51:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:58,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:51:58,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:51:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-12-02 06:51:58,400 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:51:58,400 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:51:58,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1974957379] [2024-12-02 06:51:58,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1974957379] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:51:58,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:51:58,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:51:58,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097555438] [2024-12-02 06:51:58,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:51:58,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:51:58,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:51:58,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:51:58,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:51:58,425 INFO L87 Difference]: Start difference. First operand has 130 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 114 states have internal predecessors, (167), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 06:51:58,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:51:58,453 INFO L93 Difference]: Finished difference Result 253 states and 398 transitions. [2024-12-02 06:51:58,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:51:58,455 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2024-12-02 06:51:58,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:51:58,461 INFO L225 Difference]: With dead ends: 253 [2024-12-02 06:51:58,461 INFO L226 Difference]: Without dead ends: 126 [2024-12-02 06:51:58,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:51:58,466 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:51:58,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:51:58,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-12-02 06:51:58,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-12-02 06:51:58,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.4545454545454546) internal successors, (160), 110 states have internal predecessors, (160), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 06:51:58,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 188 transitions. [2024-12-02 06:51:58,509 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 188 transitions. Word has length 115 [2024-12-02 06:51:58,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:51:58,510 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 188 transitions. [2024-12-02 06:51:58,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 06:51:58,510 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 188 transitions. [2024-12-02 06:51:58,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 06:51:58,513 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:51:58,513 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:58,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 06:51:58,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:51:58,714 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:51:58,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:58,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1616218656, now seen corresponding path program 1 times [2024-12-02 06:51:58,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:51:58,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [421454132] [2024-12-02 06:51:58,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:58,715 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:51:58,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:51:58,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:51:58,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 06:51:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:59,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 06:51:59,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:51:59,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 06:51:59,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-12-02 06:51:59,202 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:51:59,203 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:51:59,203 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:51:59,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [421454132] [2024-12-02 06:51:59,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [421454132] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:51:59,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:51:59,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:51:59,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521531346] [2024-12-02 06:51:59,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:51:59,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:51:59,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:51:59,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:51:59,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:51:59,205 INFO L87 Difference]: Start difference. First operand 126 states and 188 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:51:59,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:51:59,644 INFO L93 Difference]: Finished difference Result 330 states and 491 transitions. [2024-12-02 06:51:59,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:51:59,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 115 [2024-12-02 06:51:59,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:51:59,647 INFO L225 Difference]: With dead ends: 330 [2024-12-02 06:51:59,647 INFO L226 Difference]: Without dead ends: 207 [2024-12-02 06:51:59,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:51:59,649 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 115 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:51:59,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 727 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:51:59,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-12-02 06:51:59,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 204. [2024-12-02 06:51:59,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 179 states have (on average 1.446927374301676) internal successors, (259), 180 states have internal predecessors, (259), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:51:59,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 303 transitions. [2024-12-02 06:51:59,667 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 303 transitions. Word has length 115 [2024-12-02 06:51:59,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:51:59,668 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 303 transitions. [2024-12-02 06:51:59,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:51:59,669 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 303 transitions. [2024-12-02 06:51:59,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 06:51:59,671 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:51:59,671 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:59,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-12-02 06:51:59,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:51:59,872 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:51:59,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:59,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1437344069, now seen corresponding path program 1 times [2024-12-02 06:51:59,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:51:59,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517815998] [2024-12-02 06:51:59,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:59,873 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:51:59,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:51:59,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:51:59,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 06:52:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:00,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 06:52:00,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:52:00,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 06:52:00,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:52:01,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:52:01,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 06:52:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-12-02 06:52:01,993 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:52:02,124 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:52:02,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517815998] [2024-12-02 06:52:02,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1517815998] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:52:02,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [6700287] [2024-12-02 06:52:02,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:02,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:52:02,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:52:02,128 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:52:02,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-02 06:52:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:02,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:52:02,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:52:03,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 06:52:03,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-12-02 06:52:05,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-12-02 06:52:05,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:52:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-12-02 06:52:05,295 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:52:05,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [6700287] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:52:05,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:52:05,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2024-12-02 06:52:05,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518909211] [2024-12-02 06:52:05,367 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:52:05,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 06:52:05,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:52:05,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 06:52:05,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:52:05,369 INFO L87 Difference]: Start difference. First operand 204 states and 303 transitions. Second operand has 19 states, 17 states have (on average 5.647058823529412) internal successors, (96), 16 states have internal predecessors, (96), 6 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 06:52:06,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:52:06,275 INFO L93 Difference]: Finished difference Result 423 states and 619 transitions. [2024-12-02 06:52:06,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:52:06,276 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 5.647058823529412) internal successors, (96), 16 states have internal predecessors, (96), 6 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) Word has length 117 [2024-12-02 06:52:06,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:52:06,278 INFO L225 Difference]: With dead ends: 423 [2024-12-02 06:52:06,278 INFO L226 Difference]: Without dead ends: 222 [2024-12-02 06:52:06,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 259 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2024-12-02 06:52:06,280 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 599 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:52:06,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 983 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:52:06,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-12-02 06:52:06,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 212. [2024-12-02 06:52:06,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 185 states have (on average 1.427027027027027) internal successors, (264), 186 states have internal predecessors, (264), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:52:06,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 308 transitions. [2024-12-02 06:52:06,308 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 308 transitions. Word has length 117 [2024-12-02 06:52:06,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:52:06,308 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 308 transitions. [2024-12-02 06:52:06,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 5.647058823529412) internal successors, (96), 16 states have internal predecessors, (96), 6 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 06:52:06,309 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 308 transitions. [2024-12-02 06:52:06,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 06:52:06,310 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:52:06,311 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:52:06,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-02 06:52:06,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 06:52:06,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:52:06,711 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:52:06,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:52:06,712 INFO L85 PathProgramCache]: Analyzing trace with hash -851948171, now seen corresponding path program 1 times [2024-12-02 06:52:06,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:52:06,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351766309] [2024-12-02 06:52:06,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:06,713 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:52:06,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:52:06,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:52:06,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 06:52:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:07,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 06:52:07,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:52:07,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-12-02 06:52:08,281 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:52:08,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 34 [2024-12-02 06:52:08,442 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-12-02 06:52:08,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:52:09,236 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:52:09,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [351766309] [2024-12-02 06:52:09,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [351766309] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:52:09,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1058259258] [2024-12-02 06:52:09,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:09,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:52:09,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:52:09,240 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:52:09,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-02 06:52:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:10,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 06:52:10,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:52:10,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 06:52:11,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2024-12-02 06:52:12,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 43 [2024-12-02 06:52:12,520 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-12-02 06:52:12,521 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:52:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:52:13,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1058259258] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:52:13,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:52:13,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 13] total 30 [2024-12-02 06:52:13,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053928345] [2024-12-02 06:52:13,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:52:13,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 06:52:13,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:52:13,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 06:52:13,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=1170, Unknown=0, NotChecked=0, Total=1406 [2024-12-02 06:52:13,163 INFO L87 Difference]: Start difference. First operand 212 states and 308 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:52:13,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:52:13,976 INFO L93 Difference]: Finished difference Result 792 states and 1151 transitions. [2024-12-02 06:52:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 06:52:13,976 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-12-02 06:52:13,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:52:13,980 INFO L225 Difference]: With dead ends: 792 [2024-12-02 06:52:13,980 INFO L226 Difference]: Without dead ends: 583 [2024-12-02 06:52:13,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 343 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=293, Invalid=1513, Unknown=0, NotChecked=0, Total=1806 [2024-12-02 06:52:13,982 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 820 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 1573 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:52:13,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 1573 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:52:13,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-12-02 06:52:14,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 473. [2024-12-02 06:52:14,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 430 states have (on average 1.4651162790697674) internal successors, (630), 433 states have internal predecessors, (630), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 06:52:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 698 transitions. [2024-12-02 06:52:14,017 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 698 transitions. Word has length 119 [2024-12-02 06:52:14,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:52:14,017 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 698 transitions. [2024-12-02 06:52:14,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:52:14,018 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 698 transitions. [2024-12-02 06:52:14,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 06:52:14,019 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:52:14,019 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:52:14,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-02 06:52:14,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 06:52:14,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:52:14,420 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:52:14,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:52:14,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1244975181, now seen corresponding path program 1 times [2024-12-02 06:52:14,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:52:14,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156002376] [2024-12-02 06:52:14,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:14,421 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:52:14,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:52:14,423 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:52:14,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 06:52:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:14,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 06:52:14,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:52:15,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:52:15,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 06:52:15,408 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:52:15,408 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:52:15,408 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:52:15,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156002376] [2024-12-02 06:52:15,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156002376] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:52:15,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:52:15,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:52:15,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988922395] [2024-12-02 06:52:15,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:52:15,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:52:15,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:52:15,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:52:15,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:52:15,409 INFO L87 Difference]: Start difference. First operand 473 states and 698 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:52:15,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:52:15,648 INFO L93 Difference]: Finished difference Result 1392 states and 2056 transitions. [2024-12-02 06:52:15,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:52:15,649 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-12-02 06:52:15,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:52:15,653 INFO L225 Difference]: With dead ends: 1392 [2024-12-02 06:52:15,654 INFO L226 Difference]: Without dead ends: 922 [2024-12-02 06:52:15,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:52:15,655 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 285 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:52:15,655 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 772 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:52:15,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-12-02 06:52:15,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 633. [2024-12-02 06:52:15,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 590 states have (on average 1.4915254237288136) internal successors, (880), 593 states have internal predecessors, (880), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 06:52:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 948 transitions. [2024-12-02 06:52:15,706 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 948 transitions. Word has length 119 [2024-12-02 06:52:15,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:52:15,706 INFO L471 AbstractCegarLoop]: Abstraction has 633 states and 948 transitions. [2024-12-02 06:52:15,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:52:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 948 transitions. [2024-12-02 06:52:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 06:52:15,708 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:52:15,709 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:52:15,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 06:52:15,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:52:15,909 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:52:15,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:52:15,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1908134670, now seen corresponding path program 1 times [2024-12-02 06:52:15,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:52:15,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1403861010] [2024-12-02 06:52:15,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:15,910 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:52:15,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:52:15,911 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:52:15,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-12-02 06:52:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:16,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 06:52:16,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:52:17,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-12-02 06:52:17,362 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-12-02 06:52:17,362 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:52:25,689 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-12-02 06:52:25,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 48 [2024-12-02 06:52:29,806 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:52:29,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1403861010] [2024-12-02 06:52:29,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1403861010] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:52:29,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [104836848] [2024-12-02 06:52:29,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:29,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:52:29,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:52:29,809 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:52:29,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-02 06:52:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:30,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 06:52:30,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:52:30,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2024-12-02 06:52:30,587 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:52:30,587 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:52:30,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [104836848] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:52:30,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:52:30,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-12-02 06:52:30,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589309742] [2024-12-02 06:52:30,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:52:30,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:52:30,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:52:30,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:52:30,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=223, Unknown=3, NotChecked=0, Total=272 [2024-12-02 06:52:30,588 INFO L87 Difference]: Start difference. First operand 633 states and 948 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:52:30,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:52:30,856 INFO L93 Difference]: Finished difference Result 1273 states and 1900 transitions. [2024-12-02 06:52:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:52:30,857 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-12-02 06:52:30,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:52:30,860 INFO L225 Difference]: With dead ends: 1273 [2024-12-02 06:52:30,860 INFO L226 Difference]: Without dead ends: 643 [2024-12-02 06:52:30,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=50, Invalid=253, Unknown=3, NotChecked=0, Total=306 [2024-12-02 06:52:30,861 INFO L435 NwaCegarLoop]: 251 mSDtfsCounter, 115 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:52:30,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 850 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:52:30,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-12-02 06:52:30,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 641. [2024-12-02 06:52:30,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 596 states have (on average 1.4781879194630871) internal successors, (881), 599 states have internal predecessors, (881), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 06:52:30,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 949 transitions. [2024-12-02 06:52:30,906 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 949 transitions. Word has length 119 [2024-12-02 06:52:30,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:52:30,906 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 949 transitions. [2024-12-02 06:52:30,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:52:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 949 transitions. [2024-12-02 06:52:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 06:52:30,907 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:52:30,907 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:52:30,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-12-02 06:52:31,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-02 06:52:31,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:52:31,308 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:52:31,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:52:31,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1448874419, now seen corresponding path program 1 times [2024-12-02 06:52:31,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:52:31,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2177856] [2024-12-02 06:52:31,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:31,309 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:52:31,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:52:31,310 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:52:31,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-12-02 06:52:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:31,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 06:52:31,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:52:32,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-12-02 06:52:32,949 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:52:32,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 35 [2024-12-02 06:52:33,101 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-12-02 06:52:33,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:52:33,867 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:52:33,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2177856] [2024-12-02 06:52:33,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2177856] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:52:33,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1524331600] [2024-12-02 06:52:33,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:33,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:52:33,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:52:33,869 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:52:33,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-02 06:52:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:34,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 06:52:34,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:52:35,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:52:35,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2024-12-02 06:52:36,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 40 [2024-12-02 06:52:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-12-02 06:52:36,613 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:52:37,275 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:52:37,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1524331600] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:52:37,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:52:37,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 12] total 29 [2024-12-02 06:52:37,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395088353] [2024-12-02 06:52:37,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:52:37,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 06:52:37,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:52:37,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 06:52:37,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1107, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 06:52:37,276 INFO L87 Difference]: Start difference. First operand 641 states and 949 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:52:38,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:52:38,319 INFO L93 Difference]: Finished difference Result 1724 states and 2538 transitions. [2024-12-02 06:52:38,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 06:52:38,319 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-12-02 06:52:38,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:52:38,322 INFO L225 Difference]: With dead ends: 1724 [2024-12-02 06:52:38,322 INFO L226 Difference]: Without dead ends: 1086 [2024-12-02 06:52:38,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 344 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=282, Invalid=1440, Unknown=0, NotChecked=0, Total=1722 [2024-12-02 06:52:38,324 INFO L435 NwaCegarLoop]: 347 mSDtfsCounter, 414 mSDsluCounter, 2165 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 2512 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:52:38,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 2512 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:52:38,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2024-12-02 06:52:38,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 642. [2024-12-02 06:52:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 597 states have (on average 1.4790619765494137) internal successors, (883), 600 states have internal predecessors, (883), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 06:52:38,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 951 transitions. [2024-12-02 06:52:38,375 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 951 transitions. Word has length 119 [2024-12-02 06:52:38,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:52:38,375 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 951 transitions. [2024-12-02 06:52:38,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:52:38,375 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 951 transitions. [2024-12-02 06:52:38,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 06:52:38,377 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:52:38,377 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:52:38,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-12-02 06:52:38,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-02 06:52:38,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:52:38,778 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:52:38,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:52:38,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1244553781, now seen corresponding path program 1 times [2024-12-02 06:52:38,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:52:38,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037929702] [2024-12-02 06:52:38,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:38,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:52:38,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:52:38,780 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:52:38,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-12-02 06:52:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:39,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 06:52:39,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:52:39,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-12-02 06:52:40,250 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:52:40,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 32 [2024-12-02 06:52:40,339 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-12-02 06:52:40,339 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:52:40,580 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:52:40,580 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:52:40,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037929702] [2024-12-02 06:52:40,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037929702] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:52:40,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:52:40,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 17 [2024-12-02 06:52:40,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78162226] [2024-12-02 06:52:40,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:52:40,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:52:40,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:52:40,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:52:40,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-12-02 06:52:40,582 INFO L87 Difference]: Start difference. First operand 642 states and 951 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:52:41,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:52:41,042 INFO L93 Difference]: Finished difference Result 1403 states and 2059 transitions. [2024-12-02 06:52:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:52:41,042 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2024-12-02 06:52:41,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:52:41,044 INFO L225 Difference]: With dead ends: 1403 [2024-12-02 06:52:41,045 INFO L226 Difference]: Without dead ends: 764 [2024-12-02 06:52:41,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:52:41,046 INFO L435 NwaCegarLoop]: 327 mSDtfsCounter, 143 mSDsluCounter, 1877 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 2204 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:52:41,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 2204 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:52:41,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-12-02 06:52:41,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 642. [2024-12-02 06:52:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 597 states have (on average 1.4790619765494137) internal successors, (883), 600 states have internal predecessors, (883), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 06:52:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 951 transitions. [2024-12-02 06:52:41,099 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 951 transitions. Word has length 119 [2024-12-02 06:52:41,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:52:41,100 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 951 transitions. [2024-12-02 06:52:41,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:52:41,100 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 951 transitions. [2024-12-02 06:52:41,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 06:52:41,102 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:52:41,102 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:52:41,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-12-02 06:52:41,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:52:41,303 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:52:41,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:52:41,303 INFO L85 PathProgramCache]: Analyzing trace with hash 912621421, now seen corresponding path program 1 times [2024-12-02 06:52:41,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:52:41,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738454684] [2024-12-02 06:52:41,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:41,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:52:41,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:52:41,305 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:52:41,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-12-02 06:52:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:41,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 06:52:41,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:52:42,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-12-02 06:52:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-12-02 06:52:42,718 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:52:51,102 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-12-02 06:52:51,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 48 [2024-12-02 06:52:55,233 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:52:55,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738454684] [2024-12-02 06:52:55,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738454684] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:52:55,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [135605941] [2024-12-02 06:52:55,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:55,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:52:55,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:52:55,234 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:52:55,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-02 06:52:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:55,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 06:52:55,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:52:55,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2024-12-02 06:52:55,969 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:52:55,970 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:52:55,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [135605941] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:52:55,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:52:55,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-12-02 06:52:55,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337627802] [2024-12-02 06:52:55,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:52:55,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:52:55,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:52:55,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:52:55,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=165, Unknown=3, NotChecked=0, Total=210 [2024-12-02 06:52:55,971 INFO L87 Difference]: Start difference. First operand 642 states and 951 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:52:56,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:52:56,144 INFO L93 Difference]: Finished difference Result 1181 states and 1731 transitions. [2024-12-02 06:52:56,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:52:56,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-12-02 06:52:56,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:52:56,148 INFO L225 Difference]: With dead ends: 1181 [2024-12-02 06:52:56,148 INFO L226 Difference]: Without dead ends: 542 [2024-12-02 06:52:56,149 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 311 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=49, Invalid=188, Unknown=3, NotChecked=0, Total=240 [2024-12-02 06:52:56,149 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 52 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:52:56,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 729 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:52:56,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-12-02 06:52:56,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 540. [2024-12-02 06:52:56,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 493 states have (on average 1.438133874239351) internal successors, (709), 496 states have internal predecessors, (709), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 06:52:56,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 777 transitions. [2024-12-02 06:52:56,181 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 777 transitions. Word has length 121 [2024-12-02 06:52:56,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:52:56,181 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 777 transitions. [2024-12-02 06:52:56,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:52:56,182 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 777 transitions. [2024-12-02 06:52:56,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 06:52:56,183 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:52:56,183 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:52:56,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-02 06:52:56,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-12-02 06:52:56,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:52:56,584 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:52:56,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:52:56,584 INFO L85 PathProgramCache]: Analyzing trace with hash 36513319, now seen corresponding path program 1 times [2024-12-02 06:52:56,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:52:56,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170361817] [2024-12-02 06:52:56,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:56,585 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:52:56,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:52:56,586 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:52:56,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-12-02 06:52:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:56,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 06:52:56,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:52:58,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2024-12-02 06:52:58,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2024-12-02 06:52:59,001 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:52:59,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 153 treesize of output 97 [2024-12-02 06:52:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 06:52:59,062 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:53:03,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:53:03,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 591 treesize of output 546 [2024-12-02 06:53:03,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 332 [2024-12-02 06:53:03,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 193 [2024-12-02 06:53:03,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 462 treesize of output 422 [2024-12-02 06:53:03,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 366 [2024-12-02 06:53:03,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 332 [2024-12-02 06:53:03,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 193 [2024-12-02 06:53:03,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 332 [2024-12-02 06:53:04,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 193 [2024-12-02 06:53:04,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 332 [2024-12-02 06:53:04,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 193 [2024-12-02 06:53:04,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 367 treesize of output 339 [2024-12-02 06:53:04,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 234 [2024-12-02 06:53:04,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 332 [2024-12-02 06:53:04,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 193 [2024-12-02 06:53:04,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 332 [2024-12-02 06:53:04,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 193 [2024-12-02 06:53:04,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 332 [2024-12-02 06:53:04,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 193 [2024-12-02 06:53:04,826 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 06:53:04,826 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:53:04,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170361817] [2024-12-02 06:53:04,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1170361817] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:53:04,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:53:04,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 20 [2024-12-02 06:53:04,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26797374] [2024-12-02 06:53:04,827 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:53:04,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-02 06:53:04,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:53:04,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-02 06:53:04,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2024-12-02 06:53:04,828 INFO L87 Difference]: Start difference. First operand 540 states and 777 transitions. Second operand has 20 states, 18 states have (on average 6.166666666666667) internal successors, (111), 19 states have internal predecessors, (111), 5 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) [2024-12-02 06:53:06,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:53:06,769 INFO L93 Difference]: Finished difference Result 1393 states and 1989 transitions. [2024-12-02 06:53:06,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-02 06:53:06,770 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 6.166666666666667) internal successors, (111), 19 states have internal predecessors, (111), 5 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) Word has length 121 [2024-12-02 06:53:06,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:53:06,772 INFO L225 Difference]: With dead ends: 1393 [2024-12-02 06:53:06,772 INFO L226 Difference]: Without dead ends: 856 [2024-12-02 06:53:06,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 215 SyntacticMatches, 10 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=442, Invalid=1364, Unknown=0, NotChecked=0, Total=1806 [2024-12-02 06:53:06,773 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 801 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:53:06,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 1581 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:53:06,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2024-12-02 06:53:06,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 606. [2024-12-02 06:53:06,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 559 states have (on average 1.441860465116279) internal successors, (806), 562 states have internal predecessors, (806), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 06:53:06,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 874 transitions. [2024-12-02 06:53:06,837 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 874 transitions. Word has length 121 [2024-12-02 06:53:06,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:53:06,837 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 874 transitions. [2024-12-02 06:53:06,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 6.166666666666667) internal successors, (111), 19 states have internal predecessors, (111), 5 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) [2024-12-02 06:53:06,837 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 874 transitions. [2024-12-02 06:53:06,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 06:53:06,839 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:53:06,839 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:53:06,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-12-02 06:53:07,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:53:07,040 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:53:07,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:53:07,040 INFO L85 PathProgramCache]: Analyzing trace with hash -2083950962, now seen corresponding path program 1 times [2024-12-02 06:53:07,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:53:07,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912061039] [2024-12-02 06:53:07,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:53:07,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:53:07,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:53:07,042 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:53:07,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-12-02 06:53:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:53:07,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 06:53:07,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:53:08,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2024-12-02 06:53:08,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:53:09,136 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:53:09,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 46 [2024-12-02 06:53:09,336 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 7 proven. 213 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 06:53:09,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:53:09,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-12-02 06:53:10,264 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:53:10,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912061039] [2024-12-02 06:53:10,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [912061039] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:53:10,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [192855025] [2024-12-02 06:53:10,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:53:10,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:53:10,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:53:10,266 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:53:10,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-02 06:53:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:53:11,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-02 06:53:11,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:53:12,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:53:13,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2024-12-02 06:53:13,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:53:14,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 46 [2024-12-02 06:53:14,522 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 7 proven. 213 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 06:53:14,522 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:53:15,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-12-02 06:53:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:53:15,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [192855025] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:53:15,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:53:15,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [18, 18] total 42 [2024-12-02 06:53:15,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327565694] [2024-12-02 06:53:15,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:53:15,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:53:15,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:53:15,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:53:15,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=393, Invalid=2157, Unknown=0, NotChecked=0, Total=2550 [2024-12-02 06:53:15,616 INFO L87 Difference]: Start difference. First operand 606 states and 874 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:53:18,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:53:18,494 INFO L93 Difference]: Finished difference Result 1355 states and 1939 transitions. [2024-12-02 06:53:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:53:18,495 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-12-02 06:53:18,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:53:18,499 INFO L225 Difference]: With dead ends: 1355 [2024-12-02 06:53:18,499 INFO L226 Difference]: Without dead ends: 752 [2024-12-02 06:53:18,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 338 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1128 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=483, Invalid=2823, Unknown=0, NotChecked=0, Total=3306 [2024-12-02 06:53:18,502 INFO L435 NwaCegarLoop]: 287 mSDtfsCounter, 425 mSDsluCounter, 2040 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 2327 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:53:18,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 2327 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 06:53:18,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2024-12-02 06:53:18,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 553. [2024-12-02 06:53:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 506 states have (on average 1.4328063241106719) internal successors, (725), 509 states have internal predecessors, (725), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 06:53:18,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 793 transitions. [2024-12-02 06:53:18,588 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 793 transitions. Word has length 121 [2024-12-02 06:53:18,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:53:18,589 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 793 transitions. [2024-12-02 06:53:18,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:53:18,589 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 793 transitions. [2024-12-02 06:53:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 06:53:18,592 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:53:18,592 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:53:18,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-12-02 06:53:18,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-02 06:53:18,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:53:18,993 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:53:18,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:53:18,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1680529936, now seen corresponding path program 1 times [2024-12-02 06:53:18,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:53:18,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836809105] [2024-12-02 06:53:18,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:53:18,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:53:18,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:53:18,995 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:53:18,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-12-02 06:53:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:53:19,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 06:53:19,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:53:19,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-12-02 06:53:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 06:53:19,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:53:19,772 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-12-02 06:53:19,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 06:53:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 06:53:19,824 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:53:19,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1836809105] [2024-12-02 06:53:19,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1836809105] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:53:19,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:53:19,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2024-12-02 06:53:19,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881865758] [2024-12-02 06:53:19,825 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:53:19,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 06:53:19,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:53:19,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 06:53:19,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:53:19,826 INFO L87 Difference]: Start difference. First operand 553 states and 793 transitions. Second operand has 11 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:53:20,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:53:20,322 INFO L93 Difference]: Finished difference Result 1133 states and 1614 transitions. [2024-12-02 06:53:20,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:53:20,323 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 121 [2024-12-02 06:53:20,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:53:20,325 INFO L225 Difference]: With dead ends: 1133 [2024-12-02 06:53:20,326 INFO L226 Difference]: Without dead ends: 583 [2024-12-02 06:53:20,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 231 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:53:20,327 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 219 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:53:20,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 613 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:53:20,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-12-02 06:53:20,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 553. [2024-12-02 06:53:20,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 506 states have (on average 1.4288537549407114) internal successors, (723), 509 states have internal predecessors, (723), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 06:53:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 791 transitions. [2024-12-02 06:53:20,381 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 791 transitions. Word has length 121 [2024-12-02 06:53:20,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:53:20,381 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 791 transitions. [2024-12-02 06:53:20,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:53:20,382 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 791 transitions. [2024-12-02 06:53:20,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 06:53:20,382 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:53:20,383 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:53:20,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-12-02 06:53:20,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:53:20,583 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:53:20,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:53:20,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1461675218, now seen corresponding path program 1 times [2024-12-02 06:53:20,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:53:20,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190004016] [2024-12-02 06:53:20,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:53:20,584 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:53:20,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:53:20,585 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:53:20,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-12-02 06:53:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:53:20,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:53:20,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:53:21,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2024-12-02 06:53:22,030 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:53:22,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 27 [2024-12-02 06:53:22,111 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-12-02 06:53:22,111 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:53:22,473 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:53:22,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190004016] [2024-12-02 06:53:22,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190004016] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:53:22,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [116620309] [2024-12-02 06:53:22,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:53:22,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:53:22,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:53:22,475 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:53:22,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-02 06:53:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:53:23,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 06:53:23,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:53:23,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 06:53:25,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2024-12-02 06:53:25,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-12-02 06:53:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 7 proven. 213 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 06:53:29,925 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:53:30,314 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:53:30,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [116620309] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:53:30,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:53:30,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 15] total 28 [2024-12-02 06:53:30,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151601421] [2024-12-02 06:53:30,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:53:30,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:53:30,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:53:30,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:53:30,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=909, Unknown=1, NotChecked=0, Total=1056 [2024-12-02 06:53:30,315 INFO L87 Difference]: Start difference. First operand 553 states and 791 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:53:30,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:53:30,889 INFO L93 Difference]: Finished difference Result 1225 states and 1733 transitions. [2024-12-02 06:53:30,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:53:30,890 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-12-02 06:53:30,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:53:30,892 INFO L225 Difference]: With dead ends: 1225 [2024-12-02 06:53:30,892 INFO L226 Difference]: Without dead ends: 675 [2024-12-02 06:53:30,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=172, Invalid=1159, Unknown=1, NotChecked=0, Total=1332 [2024-12-02 06:53:30,893 INFO L435 NwaCegarLoop]: 323 mSDtfsCounter, 144 mSDsluCounter, 1850 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:53:30,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 2173 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:53:30,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-12-02 06:53:30,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 457. [2024-12-02 06:53:30,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 426 states have (on average 1.4389671361502347) internal successors, (613), 427 states have internal predecessors, (613), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:53:30,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 657 transitions. [2024-12-02 06:53:30,924 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 657 transitions. Word has length 121 [2024-12-02 06:53:30,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:53:30,924 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 657 transitions. [2024-12-02 06:53:30,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:53:30,925 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 657 transitions. [2024-12-02 06:53:30,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 06:53:30,925 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:53:30,925 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:53:30,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-02 06:53:31,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-12-02 06:53:31,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:53:31,326 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:53:31,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:53:31,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1943402352, now seen corresponding path program 1 times [2024-12-02 06:53:31,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:53:31,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956728755] [2024-12-02 06:53:31,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:53:31,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:53:31,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:53:31,328 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:53:31,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-12-02 06:53:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:53:31,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 06:53:31,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:53:32,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 06:53:32,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-12-02 06:53:32,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-02 06:53:34,504 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-12-02 06:53:34,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:53:34,659 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:53:34,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956728755] [2024-12-02 06:53:34,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956728755] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:53:34,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1513418989] [2024-12-02 06:53:34,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:53:34,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:53:34,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:53:34,660 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:53:34,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-02 06:53:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:53:35,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 06:53:35,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:53:36,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:53:36,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-12-02 06:53:37,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-02 06:53:37,607 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-12-02 06:53:37,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:53:37,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1513418989] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:53:37,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:53:37,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-12-02 06:53:37,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983581428] [2024-12-02 06:53:37,720 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:53:37,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 06:53:37,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:53:37,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 06:53:37,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:53:37,721 INFO L87 Difference]: Start difference. First operand 457 states and 657 transitions. Second operand has 14 states, 14 states have (on average 7.5) internal successors, (105), 13 states have internal predecessors, (105), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:53:38,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:53:38,886 INFO L93 Difference]: Finished difference Result 1033 states and 1469 transitions. [2024-12-02 06:53:38,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:53:38,887 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.5) internal successors, (105), 13 states have internal predecessors, (105), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 121 [2024-12-02 06:53:38,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:53:38,888 INFO L225 Difference]: With dead ends: 1033 [2024-12-02 06:53:38,888 INFO L226 Difference]: Without dead ends: 579 [2024-12-02 06:53:38,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 278 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:53:38,889 INFO L435 NwaCegarLoop]: 310 mSDtfsCounter, 587 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:53:38,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 1455 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 06:53:38,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-12-02 06:53:38,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 400. [2024-12-02 06:53:38,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 369 states have (on average 1.4119241192411924) internal successors, (521), 370 states have internal predecessors, (521), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:53:38,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 565 transitions. [2024-12-02 06:53:38,957 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 565 transitions. Word has length 121 [2024-12-02 06:53:38,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:53:38,957 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 565 transitions. [2024-12-02 06:53:38,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.5) internal successors, (105), 13 states have internal predecessors, (105), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:53:38,957 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 565 transitions. [2024-12-02 06:53:38,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 06:53:38,958 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:53:38,958 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:53:38,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-02 06:53:39,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-12-02 06:53:39,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:53:39,359 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:53:39,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:53:39,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1714153618, now seen corresponding path program 1 times [2024-12-02 06:53:39,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:53:39,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715339968] [2024-12-02 06:53:39,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:53:39,360 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:53:39,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:53:39,361 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:53:39,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-12-02 06:53:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:53:39,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:53:39,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:53:40,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-12-02 06:53:40,898 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:53:40,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 23 [2024-12-02 06:53:40,947 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-12-02 06:53:40,947 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:53:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:53:41,133 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:53:41,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715339968] [2024-12-02 06:53:41,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715339968] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:53:41,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:53:41,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 15 [2024-12-02 06:53:41,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730327192] [2024-12-02 06:53:41,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:53:41,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:53:41,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:53:41,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:53:41,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:53:41,135 INFO L87 Difference]: Start difference. First operand 400 states and 565 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:53:41,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:53:41,505 INFO L93 Difference]: Finished difference Result 925 states and 1293 transitions. [2024-12-02 06:53:41,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:53:41,506 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121 [2024-12-02 06:53:41,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:53:41,507 INFO L225 Difference]: With dead ends: 925 [2024-12-02 06:53:41,507 INFO L226 Difference]: Without dead ends: 528 [2024-12-02 06:53:41,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:53:41,508 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 144 mSDsluCounter, 1719 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 2048 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:53:41,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 2048 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:53:41,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-12-02 06:53:41,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 396. [2024-12-02 06:53:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 365 states have (on average 1.4136986301369863) internal successors, (516), 366 states have internal predecessors, (516), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:53:41,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 560 transitions. [2024-12-02 06:53:41,548 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 560 transitions. Word has length 121 [2024-12-02 06:53:41,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:53:41,548 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 560 transitions. [2024-12-02 06:53:41,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:53:41,548 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 560 transitions. [2024-12-02 06:53:41,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 06:53:41,549 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:53:41,549 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:53:41,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-12-02 06:53:41,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:53:41,750 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:53:41,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:53:41,750 INFO L85 PathProgramCache]: Analyzing trace with hash 584300748, now seen corresponding path program 1 times [2024-12-02 06:53:41,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:53:41,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793186584] [2024-12-02 06:53:41,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:53:41,750 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:53:41,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:53:41,752 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:53:41,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-12-02 06:53:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:53:42,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 06:53:42,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:53:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:53:42,024 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:53:42,024 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:53:42,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [793186584] [2024-12-02 06:53:42,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [793186584] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:53:42,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:53:42,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:53:42,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376983400] [2024-12-02 06:53:42,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:53:42,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:53:42,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:53:42,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:53:42,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:53:42,025 INFO L87 Difference]: Start difference. First operand 396 states and 560 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:53:42,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:53:42,073 INFO L93 Difference]: Finished difference Result 406 states and 571 transitions. [2024-12-02 06:53:42,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:53:42,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-12-02 06:53:42,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:53:42,074 INFO L225 Difference]: With dead ends: 406 [2024-12-02 06:53:42,074 INFO L226 Difference]: Without dead ends: 404 [2024-12-02 06:53:42,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:53:42,075 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 0 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:53:42,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 900 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:53:42,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-12-02 06:53:42,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-12-02 06:53:42,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 373 states have (on average 1.4048257372654156) internal successors, (524), 374 states have internal predecessors, (524), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:53:42,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 568 transitions. [2024-12-02 06:53:42,128 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 568 transitions. Word has length 123 [2024-12-02 06:53:42,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:53:42,129 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 568 transitions. [2024-12-02 06:53:42,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:53:42,129 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 568 transitions. [2024-12-02 06:53:42,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 06:53:42,130 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:53:42,130 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:53:42,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-12-02 06:53:42,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:53:42,330 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:53:42,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:53:42,331 INFO L85 PathProgramCache]: Analyzing trace with hash 832806030, now seen corresponding path program 1 times [2024-12-02 06:53:42,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:53:42,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028444027] [2024-12-02 06:53:42,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:53:42,331 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:53:42,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:53:42,332 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:53:42,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-12-02 06:53:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:53:42,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 06:53:42,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:53:43,980 INFO L349 Elim1Store]: treesize reduction 33, result has 31.3 percent of original size [2024-12-02 06:53:43,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 56 [2024-12-02 06:53:44,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2024-12-02 06:53:44,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-12-02 06:53:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:53:44,201 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:53:48,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2024-12-02 06:53:49,078 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:53:49,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2028444027] [2024-12-02 06:53:49,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2028444027] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:53:49,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [962823199] [2024-12-02 06:53:49,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:53:49,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:53:49,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:53:49,080 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:53:49,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-02 06:53:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:53:49,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 06:53:49,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:53:51,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 06:53:53,087 INFO L349 Elim1Store]: treesize reduction 33, result has 31.3 percent of original size [2024-12-02 06:53:53,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 60 [2024-12-02 06:53:53,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2024-12-02 06:53:53,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2024-12-02 06:53:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:53:53,542 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:53:53,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2024-12-02 06:53:55,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [962823199] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:53:55,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:53:55,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-12-02 06:53:55,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468301972] [2024-12-02 06:53:55,555 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:53:55,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 06:53:55,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:53:55,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 06:53:55,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=540, Unknown=1, NotChecked=0, Total=702 [2024-12-02 06:53:55,557 INFO L87 Difference]: Start difference. First operand 404 states and 568 transitions. Second operand has 19 states, 19 states have (on average 5.684210526315789) internal successors, (108), 18 states have internal predecessors, (108), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:54:01,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:54:03,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:54:03,992 INFO L93 Difference]: Finished difference Result 1143 states and 1587 transitions. [2024-12-02 06:54:03,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:54:03,992 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.684210526315789) internal successors, (108), 18 states have internal predecessors, (108), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 123 [2024-12-02 06:54:03,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:54:03,994 INFO L225 Difference]: With dead ends: 1143 [2024-12-02 06:54:03,994 INFO L226 Difference]: Without dead ends: 742 [2024-12-02 06:54:03,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 276 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=296, Invalid=893, Unknown=1, NotChecked=0, Total=1190 [2024-12-02 06:54:03,995 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 1594 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 126 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1594 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:54:03,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1594 Valid, 1076 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 986 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2024-12-02 06:54:03,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-12-02 06:54:04,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 516. [2024-12-02 06:54:04,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 485 states have (on average 1.4247422680412372) internal successors, (691), 486 states have internal predecessors, (691), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:54:04,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 735 transitions. [2024-12-02 06:54:04,057 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 735 transitions. Word has length 123 [2024-12-02 06:54:04,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:54:04,057 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 735 transitions. [2024-12-02 06:54:04,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.684210526315789) internal successors, (108), 18 states have internal predecessors, (108), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:54:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 735 transitions. [2024-12-02 06:54:04,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 06:54:04,059 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:54:04,059 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:54:04,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-12-02 06:54:04,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-02 06:54:04,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:54:04,460 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:54:04,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:54:04,460 INFO L85 PathProgramCache]: Analyzing trace with hash 754841889, now seen corresponding path program 1 times [2024-12-02 06:54:04,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:54:04,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1362615903] [2024-12-02 06:54:04,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:54:04,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:54:04,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:54:04,462 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:54:04,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-12-02 06:54:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:54:04,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 06:54:04,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:54:06,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-12-02 06:54:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-12-02 06:54:06,749 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:54:15,318 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-12-02 06:54:15,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 48 [2024-12-02 06:54:19,512 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:54:19,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1362615903] [2024-12-02 06:54:19,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1362615903] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:54:19,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [704265794] [2024-12-02 06:54:19,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:54:19,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:54:19,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:54:19,514 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:54:19,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-02 06:54:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:54:20,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 06:54:20,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:54:33,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 06:54:39,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-12-02 06:54:39,329 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-12-02 06:54:39,329 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:54:39,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2024-12-02 06:54:43,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [704265794] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:54:43,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:54:43,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-12-02 06:54:43,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604085453] [2024-12-02 06:54:43,786 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:54:43,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:54:43,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:54:43,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:54:43,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=271, Unknown=5, NotChecked=0, Total=342 [2024-12-02 06:54:43,787 INFO L87 Difference]: Start difference. First operand 516 states and 735 transitions. Second operand has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 12 states have internal predecessors, (99), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:54:49,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:54:49,796 INFO L93 Difference]: Finished difference Result 1212 states and 1697 transitions. [2024-12-02 06:54:49,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:54:49,797 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 12 states have internal predecessors, (99), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 123 [2024-12-02 06:54:49,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:54:49,800 INFO L225 Difference]: With dead ends: 1212 [2024-12-02 06:54:49,800 INFO L226 Difference]: Without dead ends: 699 [2024-12-02 06:54:49,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 397 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 37.9s TimeCoverageRelationStatistics Valid=123, Invalid=423, Unknown=6, NotChecked=0, Total=552 [2024-12-02 06:54:49,801 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 555 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:54:49,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1078 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 06:54:49,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2024-12-02 06:54:49,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 696. [2024-12-02 06:54:49,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 642 states have (on average 1.3691588785046729) internal successors, (879), 645 states have internal predecessors, (879), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-12-02 06:54:49,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 957 transitions. [2024-12-02 06:54:49,886 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 957 transitions. Word has length 123 [2024-12-02 06:54:49,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:54:49,886 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 957 transitions. [2024-12-02 06:54:49,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 12 states have internal predecessors, (99), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:54:49,886 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 957 transitions. [2024-12-02 06:54:49,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 06:54:49,887 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:54:49,887 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:54:49,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-12-02 06:54:50,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-12-02 06:54:50,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:54:50,288 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:54:50,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:54:50,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1051660748, now seen corresponding path program 1 times [2024-12-02 06:54:50,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:54:50,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556269889] [2024-12-02 06:54:50,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:54:50,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:54:50,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:54:50,290 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:54:50,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-12-02 06:54:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:54:50,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 06:54:50,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:54:52,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2024-12-02 06:54:52,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2024-12-02 06:54:52,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-12-02 06:54:52,981 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:54:52,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:54:53,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2024-12-02 06:54:53,832 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:54:53,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556269889] [2024-12-02 06:54:53,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556269889] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:54:53,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [929430738] [2024-12-02 06:54:53,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:54:53,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:54:53,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:54:53,834 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:54:53,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-02 06:54:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:54:54,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 06:54:54,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:54:56,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 06:54:57,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 38 [2024-12-02 06:54:58,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2024-12-02 06:54:58,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2024-12-02 06:54:58,073 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:54:58,073 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:54:58,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2024-12-02 06:54:58,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [929430738] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:54:58,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:54:58,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-12-02 06:54:58,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58576762] [2024-12-02 06:54:58,554 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:54:58,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 06:54:58,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:54:58,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 06:54:58,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2024-12-02 06:54:58,555 INFO L87 Difference]: Start difference. First operand 696 states and 957 transitions. Second operand has 19 states, 19 states have (on average 5.684210526315789) internal successors, (108), 18 states have internal predecessors, (108), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:55:04,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:55:04,097 INFO L93 Difference]: Finished difference Result 1861 states and 2526 transitions. [2024-12-02 06:55:04,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:55:04,098 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.684210526315789) internal successors, (108), 18 states have internal predecessors, (108), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 123 [2024-12-02 06:55:04,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:55:04,100 INFO L225 Difference]: With dead ends: 1861 [2024-12-02 06:55:04,100 INFO L226 Difference]: Without dead ends: 1168 [2024-12-02 06:55:04,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 276 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=284, Invalid=838, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 06:55:04,101 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 998 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 1594 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 998 SdHoareTripleChecker+Valid, 1675 SdHoareTripleChecker+Invalid, 1681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:55:04,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [998 Valid, 1675 Invalid, 1681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1594 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 06:55:04,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2024-12-02 06:55:04,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 692. [2024-12-02 06:55:04,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 638 states have (on average 1.365203761755486) internal successors, (871), 641 states have internal predecessors, (871), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-12-02 06:55:04,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 949 transitions. [2024-12-02 06:55:04,204 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 949 transitions. Word has length 123 [2024-12-02 06:55:04,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:55:04,204 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 949 transitions. [2024-12-02 06:55:04,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.684210526315789) internal successors, (108), 18 states have internal predecessors, (108), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:55:04,205 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 949 transitions. [2024-12-02 06:55:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 06:55:04,206 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:04,206 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:55:04,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-12-02 06:55:04,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-02 06:55:04,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:55:04,607 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:55:04,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:04,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1795626592, now seen corresponding path program 1 times [2024-12-02 06:55:04,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:55:04,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187371472] [2024-12-02 06:55:04,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:04,608 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:55:04,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:55:04,609 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:55:04,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-12-02 06:55:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:04,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 06:55:04,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:55:07,160 INFO L349 Elim1Store]: treesize reduction 33, result has 31.3 percent of original size [2024-12-02 06:55:07,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 55 [2024-12-02 06:55:07,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-12-02 06:55:07,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 06:55:07,467 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:55:07,467 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:55:08,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2024-12-02 06:55:08,489 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:55:08,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187371472] [2024-12-02 06:55:08,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1187371472] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:55:08,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2107964180] [2024-12-02 06:55:08,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:08,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:55:08,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:55:08,491 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:55:08,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-02 06:55:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:09,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 06:55:09,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:55:11,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:55:12,540 INFO L349 Elim1Store]: treesize reduction 33, result has 31.3 percent of original size [2024-12-02 06:55:12,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 55 [2024-12-02 06:55:12,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-12-02 06:55:12,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 06:55:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:55:12,988 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:55:13,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2024-12-02 06:55:13,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2107964180] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:55:13,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:55:13,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-12-02 06:55:13,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558534975] [2024-12-02 06:55:13,786 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:55:13,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 06:55:13,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:55:13,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 06:55:13,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=540, Unknown=0, NotChecked=0, Total=702 [2024-12-02 06:55:13,787 INFO L87 Difference]: Start difference. First operand 692 states and 949 transitions. Second operand has 19 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 18 states have internal predecessors, (110), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:55:19,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:55:19,128 INFO L93 Difference]: Finished difference Result 1861 states and 2527 transitions. [2024-12-02 06:55:19,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:55:19,129 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 18 states have internal predecessors, (110), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 123 [2024-12-02 06:55:19,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:55:19,131 INFO L225 Difference]: With dead ends: 1861 [2024-12-02 06:55:19,131 INFO L226 Difference]: Without dead ends: 1172 [2024-12-02 06:55:19,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 276 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=283, Invalid=839, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 06:55:19,132 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 890 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 1685 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:55:19,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 1685 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 06:55:19,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2024-12-02 06:55:19,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 824. [2024-12-02 06:55:19,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 770 states have (on average 1.3766233766233766) internal successors, (1060), 773 states have internal predecessors, (1060), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-12-02 06:55:19,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1138 transitions. [2024-12-02 06:55:19,259 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1138 transitions. Word has length 123 [2024-12-02 06:55:19,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:55:19,259 INFO L471 AbstractCegarLoop]: Abstraction has 824 states and 1138 transitions. [2024-12-02 06:55:19,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 18 states have internal predecessors, (110), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:55:19,260 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1138 transitions. [2024-12-02 06:55:19,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 06:55:19,261 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:19,261 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:55:19,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-02 06:55:19,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2024-12-02 06:55:19,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:55:19,661 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:55:19,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:19,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1681692254, now seen corresponding path program 1 times [2024-12-02 06:55:19,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:55:19,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1347190893] [2024-12-02 06:55:19,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:19,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:55:19,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:55:19,663 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:55:19,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-12-02 06:55:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:20,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 06:55:20,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:55:22,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2024-12-02 06:55:22,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-12-02 06:55:22,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 06:55:22,544 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:55:22,545 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:55:23,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2024-12-02 06:55:23,403 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:55:23,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1347190893] [2024-12-02 06:55:23,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1347190893] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:55:23,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [741753615] [2024-12-02 06:55:23,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:23,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:55:23,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:55:23,405 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:55:23,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-02 06:55:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:24,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 06:55:24,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:55:26,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:55:27,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2024-12-02 06:55:27,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-12-02 06:55:27,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 06:55:27,619 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:55:27,619 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:55:27,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2024-12-02 06:55:28,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [741753615] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:55:28,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:55:28,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-12-02 06:55:28,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446941754] [2024-12-02 06:55:28,116 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:55:28,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 06:55:28,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:55:28,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 06:55:28,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2024-12-02 06:55:28,118 INFO L87 Difference]: Start difference. First operand 824 states and 1138 transitions. Second operand has 19 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 18 states have internal predecessors, (110), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:55:34,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:55:34,120 INFO L93 Difference]: Finished difference Result 2121 states and 2897 transitions. [2024-12-02 06:55:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:55:34,121 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 18 states have internal predecessors, (110), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 123 [2024-12-02 06:55:34,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:55:34,123 INFO L225 Difference]: With dead ends: 2121 [2024-12-02 06:55:34,123 INFO L226 Difference]: Without dead ends: 1300 [2024-12-02 06:55:34,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 276 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=272, Invalid=784, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 06:55:34,124 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 785 mSDsluCounter, 1648 mSDsCounter, 0 mSdLazyCounter, 1965 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 2033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:55:34,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 1936 Invalid, 2033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1965 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 06:55:34,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2024-12-02 06:55:34,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 820. [2024-12-02 06:55:34,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 766 states have (on average 1.3733681462140992) internal successors, (1052), 769 states have internal predecessors, (1052), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-12-02 06:55:34,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1130 transitions. [2024-12-02 06:55:34,213 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1130 transitions. Word has length 123 [2024-12-02 06:55:34,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:55:34,213 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 1130 transitions. [2024-12-02 06:55:34,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.7894736842105265) internal successors, (110), 18 states have internal predecessors, (110), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:55:34,213 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1130 transitions. [2024-12-02 06:55:34,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 06:55:34,214 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:34,214 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:55:34,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-12-02 06:55:34,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-02 06:55:34,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:55:34,615 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:55:34,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:34,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1663642589, now seen corresponding path program 1 times [2024-12-02 06:55:34,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:55:34,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381479075] [2024-12-02 06:55:34,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:34,616 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:55:34,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:55:34,617 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:55:34,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-12-02 06:55:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:34,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:55:34,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:55:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-12-02 06:55:34,896 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:55:34,896 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:55:34,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381479075] [2024-12-02 06:55:34,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381479075] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:55:34,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:55:34,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:55:34,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63075892] [2024-12-02 06:55:34,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:55:34,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:55:34,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:55:34,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:55:34,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:55:34,898 INFO L87 Difference]: Start difference. First operand 820 states and 1130 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 06:55:35,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:55:35,010 INFO L93 Difference]: Finished difference Result 1637 states and 2257 transitions. [2024-12-02 06:55:35,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:55:35,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2024-12-02 06:55:35,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:55:35,013 INFO L225 Difference]: With dead ends: 1637 [2024-12-02 06:55:35,013 INFO L226 Difference]: Without dead ends: 820 [2024-12-02 06:55:35,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:55:35,015 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:55:35,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 544 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:55:35,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2024-12-02 06:55:35,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 820. [2024-12-02 06:55:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 766 states have (on average 1.370757180156658) internal successors, (1050), 769 states have internal predecessors, (1050), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-12-02 06:55:35,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1128 transitions. [2024-12-02 06:55:35,101 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1128 transitions. Word has length 123 [2024-12-02 06:55:35,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:55:35,101 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 1128 transitions. [2024-12-02 06:55:35,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 06:55:35,101 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1128 transitions. [2024-12-02 06:55:35,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 06:55:35,102 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:35,102 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:55:35,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2024-12-02 06:55:35,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:55:35,303 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:55:35,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:35,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1623524199, now seen corresponding path program 1 times [2024-12-02 06:55:35,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:55:35,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615177517] [2024-12-02 06:55:35,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:35,303 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:55:35,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:55:35,305 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:55:35,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-12-02 06:55:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:35,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 06:55:35,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:55:37,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:55:37,651 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-12-02 06:55:37,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-12-02 06:55:37,846 INFO L349 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2024-12-02 06:55:37,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 47 [2024-12-02 06:55:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 06:55:37,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:55:38,243 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:55:38,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615177517] [2024-12-02 06:55:38,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615177517] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:55:38,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [44002399] [2024-12-02 06:55:38,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:38,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:55:38,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:55:38,245 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:55:38,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-02 06:55:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:39,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:55:39,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:55:39,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:55:41,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:55:41,879 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-12-02 06:55:41,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-12-02 06:55:42,002 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:55:42,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2024-12-02 06:55:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 06:55:42,049 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:55:42,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [44002399] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:55:42,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:55:42,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-12-02 06:55:42,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937275171] [2024-12-02 06:55:42,205 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:55:42,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-02 06:55:42,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:55:42,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-02 06:55:42,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=426, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:55:42,207 INFO L87 Difference]: Start difference. First operand 820 states and 1128 transitions. Second operand has 20 states, 18 states have (on average 6.222222222222222) internal successors, (112), 17 states have internal predecessors, (112), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 06:55:43,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:55:43,935 INFO L93 Difference]: Finished difference Result 1762 states and 2401 transitions. [2024-12-02 06:55:43,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:55:43,936 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 6.222222222222222) internal successors, (112), 17 states have internal predecessors, (112), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 125 [2024-12-02 06:55:43,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:55:43,937 INFO L225 Difference]: With dead ends: 1762 [2024-12-02 06:55:43,938 INFO L226 Difference]: Without dead ends: 945 [2024-12-02 06:55:43,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 285 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=233, Invalid=889, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 06:55:43,939 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 1157 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:55:43,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 1223 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 06:55:43,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2024-12-02 06:55:44,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 820. [2024-12-02 06:55:44,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 766 states have (on average 1.3655352480417755) internal successors, (1046), 769 states have internal predecessors, (1046), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-12-02 06:55:44,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1124 transitions. [2024-12-02 06:55:44,038 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1124 transitions. Word has length 125 [2024-12-02 06:55:44,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:55:44,038 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 1124 transitions. [2024-12-02 06:55:44,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 6.222222222222222) internal successors, (112), 17 states have internal predecessors, (112), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 06:55:44,039 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1124 transitions. [2024-12-02 06:55:44,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 06:55:44,040 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:44,040 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:55:44,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Ended with exit code 0 [2024-12-02 06:55:44,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-02 06:55:44,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:55:44,440 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:55:44,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:44,441 INFO L85 PathProgramCache]: Analyzing trace with hash 35176297, now seen corresponding path program 1 times [2024-12-02 06:55:44,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:55:44,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268565976] [2024-12-02 06:55:44,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:44,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:55:44,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:55:44,443 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:55:44,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2024-12-02 06:55:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:44,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 06:55:44,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:55:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:55:44,796 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:55:44,796 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:55:44,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268565976] [2024-12-02 06:55:44,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268565976] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:55:44,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:55:44,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:55:44,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173733609] [2024-12-02 06:55:44,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:55:44,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:55:44,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:55:44,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:55:44,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:55:44,797 INFO L87 Difference]: Start difference. First operand 820 states and 1124 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:55:45,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:55:45,111 INFO L93 Difference]: Finished difference Result 1888 states and 2612 transitions. [2024-12-02 06:55:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:55:45,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 125 [2024-12-02 06:55:45,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:55:45,113 INFO L225 Difference]: With dead ends: 1888 [2024-12-02 06:55:45,114 INFO L226 Difference]: Without dead ends: 1071 [2024-12-02 06:55:45,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:55:45,115 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 67 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:55:45,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 759 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:55:45,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2024-12-02 06:55:45,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 852. [2024-12-02 06:55:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 798 states have (on average 1.3609022556390977) internal successors, (1086), 801 states have internal predecessors, (1086), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-12-02 06:55:45,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1164 transitions. [2024-12-02 06:55:45,201 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1164 transitions. Word has length 125 [2024-12-02 06:55:45,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:55:45,201 INFO L471 AbstractCegarLoop]: Abstraction has 852 states and 1164 transitions. [2024-12-02 06:55:45,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:55:45,201 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1164 transitions. [2024-12-02 06:55:45,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 06:55:45,202 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:45,202 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:55:45,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2024-12-02 06:55:45,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:55:45,403 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:55:45,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:45,403 INFO L85 PathProgramCache]: Analyzing trace with hash -551629717, now seen corresponding path program 1 times [2024-12-02 06:55:45,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:55:45,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844542146] [2024-12-02 06:55:45,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:45,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:55:45,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:55:45,405 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:55:45,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2024-12-02 06:55:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:45,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 06:55:45,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:55:46,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 06:55:46,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-12-02 06:55:47,810 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-12-02 06:55:47,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 114 treesize of output 63 [2024-12-02 06:55:47,908 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 16 proven. 180 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-02 06:55:47,908 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:55:48,327 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:55:48,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844542146] [2024-12-02 06:55:48,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1844542146] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:55:48,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [640720076] [2024-12-02 06:55:48,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:48,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:55:48,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:55:48,329 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:55:48,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-02 06:55:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:49,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 06:55:49,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:55:50,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:55:50,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-12-02 06:55:53,028 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-12-02 06:55:53,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 114 treesize of output 63 [2024-12-02 06:55:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 16 proven. 180 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-02 06:55:53,098 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:55:53,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [640720076] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:55:53,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:55:53,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-12-02 06:55:53,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958600153] [2024-12-02 06:55:53,287 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:55:53,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 06:55:53,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:55:53,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 06:55:53,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2024-12-02 06:55:53,289 INFO L87 Difference]: Start difference. First operand 852 states and 1164 transitions. Second operand has 17 states, 17 states have (on average 6.470588235294118) internal successors, (110), 16 states have internal predecessors, (110), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 06:55:54,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:55:54,863 INFO L93 Difference]: Finished difference Result 2501 states and 3419 transitions. [2024-12-02 06:55:54,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:55:54,864 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.470588235294118) internal successors, (110), 16 states have internal predecessors, (110), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) Word has length 125 [2024-12-02 06:55:54,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:55:54,869 INFO L225 Difference]: With dead ends: 2501 [2024-12-02 06:55:54,869 INFO L226 Difference]: Without dead ends: 1652 [2024-12-02 06:55:54,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 289 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:55:54,871 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 730 mSDsluCounter, 1169 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:55:54,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 1352 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 06:55:54,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2024-12-02 06:55:55,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 979. [2024-12-02 06:55:55,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 904 states have (on average 1.3539823008849559) internal successors, (1224), 910 states have internal predecessors, (1224), 55 states have call successors, (55), 19 states have call predecessors, (55), 19 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) [2024-12-02 06:55:55,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1334 transitions. [2024-12-02 06:55:55,011 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1334 transitions. Word has length 125 [2024-12-02 06:55:55,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:55:55,012 INFO L471 AbstractCegarLoop]: Abstraction has 979 states and 1334 transitions. [2024-12-02 06:55:55,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.470588235294118) internal successors, (110), 16 states have internal predecessors, (110), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 06:55:55,012 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1334 transitions. [2024-12-02 06:55:55,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 06:55:55,013 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:55,013 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:55:55,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-02 06:55:55,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Ended with exit code 0 [2024-12-02 06:55:55,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:55:55,414 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:55:55,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:55,415 INFO L85 PathProgramCache]: Analyzing trace with hash 303655785, now seen corresponding path program 1 times [2024-12-02 06:55:55,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:55:55,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819276861] [2024-12-02 06:55:55,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:55,415 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:55:55,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:55:55,416 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:55:55,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2024-12-02 06:55:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:55,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 06:55:55,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:55:58,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 06:55:58,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-12-02 06:55:58,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-12-02 06:55:58,309 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:55:58,310 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:55:58,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2024-12-02 06:55:59,159 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:55:59,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819276861] [2024-12-02 06:55:59,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [819276861] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:55:59,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1885957580] [2024-12-02 06:55:59,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:59,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:55:59,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:55:59,161 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:55:59,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-02 06:56:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:00,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 06:56:00,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:56:02,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:56:03,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 06:56:03,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-12-02 06:56:03,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-12-02 06:56:03,481 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:56:03,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:56:03,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2024-12-02 06:56:04,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1885957580] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:56:04,021 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:56:04,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-12-02 06:56:04,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236662993] [2024-12-02 06:56:04,022 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:56:04,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 06:56:04,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:56:04,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 06:56:04,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2024-12-02 06:56:04,023 INFO L87 Difference]: Start difference. First operand 979 states and 1334 transitions. Second operand has 17 states, 17 states have (on average 6.588235294117647) internal successors, (112), 16 states have internal predecessors, (112), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:56:08,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:08,031 INFO L93 Difference]: Finished difference Result 2685 states and 3629 transitions. [2024-12-02 06:56:08,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:56:08,032 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.588235294117647) internal successors, (112), 16 states have internal predecessors, (112), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 125 [2024-12-02 06:56:08,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:08,035 INFO L225 Difference]: With dead ends: 2685 [2024-12-02 06:56:08,035 INFO L226 Difference]: Without dead ends: 1709 [2024-12-02 06:56:08,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 287 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2024-12-02 06:56:08,037 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 838 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 1109 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:08,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 1109 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-12-02 06:56:08,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2024-12-02 06:56:08,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1005. [2024-12-02 06:56:08,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 930 states have (on average 1.3634408602150538) internal successors, (1268), 936 states have internal predecessors, (1268), 55 states have call successors, (55), 19 states have call predecessors, (55), 19 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) [2024-12-02 06:56:08,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1378 transitions. [2024-12-02 06:56:08,165 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1378 transitions. Word has length 125 [2024-12-02 06:56:08,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:08,165 INFO L471 AbstractCegarLoop]: Abstraction has 1005 states and 1378 transitions. [2024-12-02 06:56:08,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.588235294117647) internal successors, (112), 16 states have internal predecessors, (112), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:56:08,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1378 transitions. [2024-12-02 06:56:08,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 06:56:08,166 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:08,166 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:56:08,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-02 06:56:08,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Ended with exit code 0 [2024-12-02 06:56:08,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:56:08,567 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:08,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:08,567 INFO L85 PathProgramCache]: Analyzing trace with hash 169642279, now seen corresponding path program 1 times [2024-12-02 06:56:08,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:56:08,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789917040] [2024-12-02 06:56:08,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:08,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:56:08,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:56:08,569 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:56:08,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2024-12-02 06:56:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:08,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 06:56:08,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:56:12,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:56:13,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2024-12-02 06:56:14,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-12-02 06:56:14,416 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:56:14,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 37 [2024-12-02 06:56:14,571 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:56:14,571 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:56:16,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2024-12-02 06:56:17,224 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:56:17,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789917040] [2024-12-02 06:56:17,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [789917040] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:56:17,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [128147539] [2024-12-02 06:56:17,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:17,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:56:17,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:56:17,226 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:56:17,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-02 06:56:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:18,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 06:56:18,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:56:20,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:56:21,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2024-12-02 06:56:21,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-12-02 06:56:21,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 06:56:22,163 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:56:22,163 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:56:23,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2024-12-02 06:56:23,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [128147539] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:56:23,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:56:23,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10] total 25 [2024-12-02 06:56:23,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673133293] [2024-12-02 06:56:23,859 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:56:23,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 06:56:23,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:56:23,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 06:56:23,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=1770, Unknown=0, NotChecked=0, Total=2162 [2024-12-02 06:56:23,861 INFO L87 Difference]: Start difference. First operand 1005 states and 1378 transitions. Second operand has 26 states, 26 states have (on average 4.346153846153846) internal successors, (113), 25 states have internal predecessors, (113), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:56:35,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:35,770 INFO L93 Difference]: Finished difference Result 3119 states and 4136 transitions. [2024-12-02 06:56:35,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 06:56:35,771 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.346153846153846) internal successors, (113), 25 states have internal predecessors, (113), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 125 [2024-12-02 06:56:35,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:35,775 INFO L225 Difference]: With dead ends: 3119 [2024-12-02 06:56:35,775 INFO L226 Difference]: Without dead ends: 2117 [2024-12-02 06:56:35,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=1007, Invalid=3415, Unknown=0, NotChecked=0, Total=4422 [2024-12-02 06:56:35,776 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 2631 mSDsluCounter, 2676 mSDsCounter, 0 mSdLazyCounter, 2841 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2631 SdHoareTripleChecker+Valid, 2910 SdHoareTripleChecker+Invalid, 2988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:35,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2631 Valid, 2910 Invalid, 2988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2841 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2024-12-02 06:56:35,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2117 states. [2024-12-02 06:56:35,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2117 to 845. [2024-12-02 06:56:35,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 770 states have (on average 1.3454545454545455) internal successors, (1036), 776 states have internal predecessors, (1036), 55 states have call successors, (55), 19 states have call predecessors, (55), 19 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) [2024-12-02 06:56:35,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1146 transitions. [2024-12-02 06:56:35,911 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1146 transitions. Word has length 125 [2024-12-02 06:56:35,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:35,911 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1146 transitions. [2024-12-02 06:56:35,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.346153846153846) internal successors, (113), 25 states have internal predecessors, (113), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:56:35,911 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1146 transitions. [2024-12-02 06:56:35,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 06:56:35,912 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:35,912 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:56:35,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Ended with exit code 0 [2024-12-02 06:56:36,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-02 06:56:36,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:56:36,313 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:36,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:36,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1082942919, now seen corresponding path program 1 times [2024-12-02 06:56:36,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:56:36,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902893577] [2024-12-02 06:56:36,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:36,313 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:56:36,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:56:36,315 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:56:36,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2024-12-02 06:56:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:36,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 06:56:36,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:56:36,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:56:37,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 06:56:40,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-12-02 06:56:40,825 INFO L349 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2024-12-02 06:56:40,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 59 [2024-12-02 06:56:41,381 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:56:41,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 38 [2024-12-02 06:56:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-12-02 06:56:41,576 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:56:44,815 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:56:44,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902893577] [2024-12-02 06:56:44,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1902893577] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:56:44,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [402070395] [2024-12-02 06:56:44,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:44,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:56:44,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:56:44,817 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:56:44,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-02 06:56:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:45,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 06:56:45,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:56:46,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 06:56:46,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-02 06:56:50,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 27 [2024-12-02 06:56:51,104 INFO L349 Elim1Store]: treesize reduction 31, result has 26.2 percent of original size [2024-12-02 06:56:51,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 47 [2024-12-02 06:56:51,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2024-12-02 06:56:51,845 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:56:51,845 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:56:55,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [402070395] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:56:55,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:56:55,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 25 [2024-12-02 06:56:55,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739263737] [2024-12-02 06:56:55,339 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:56:55,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 06:56:55,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:56:55,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 06:56:55,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1372, Unknown=0, NotChecked=0, Total=1560 [2024-12-02 06:56:55,340 INFO L87 Difference]: Start difference. First operand 845 states and 1146 transitions. Second operand has 26 states, 25 states have (on average 4.68) internal successors, (117), 24 states have internal predecessors, (117), 5 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-12-02 06:57:00,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:00,936 INFO L93 Difference]: Finished difference Result 1772 states and 2392 transitions. [2024-12-02 06:57:00,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 06:57:00,937 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.68) internal successors, (117), 24 states have internal predecessors, (117), 5 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 125 [2024-12-02 06:57:00,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:00,939 INFO L225 Difference]: With dead ends: 1772 [2024-12-02 06:57:00,939 INFO L226 Difference]: Without dead ends: 930 [2024-12-02 06:57:00,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 273 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=514, Invalid=2792, Unknown=0, NotChecked=0, Total=3306 [2024-12-02 06:57:00,941 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 1025 mSDsluCounter, 3545 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 3783 SdHoareTripleChecker+Invalid, 1325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:00,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 3783 Invalid, 1325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-12-02 06:57:00,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-12-02 06:57:01,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 848. [2024-12-02 06:57:01,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 773 states have (on average 1.3441138421733505) internal successors, (1039), 779 states have internal predecessors, (1039), 55 states have call successors, (55), 19 states have call predecessors, (55), 19 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) [2024-12-02 06:57:01,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1149 transitions. [2024-12-02 06:57:01,099 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1149 transitions. Word has length 125 [2024-12-02 06:57:01,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:01,100 INFO L471 AbstractCegarLoop]: Abstraction has 848 states and 1149 transitions. [2024-12-02 06:57:01,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.68) internal successors, (117), 24 states have internal predecessors, (117), 5 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-12-02 06:57:01,100 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1149 transitions. [2024-12-02 06:57:01,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 06:57:01,101 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:01,101 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:57:01,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-02 06:57:01,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Ended with exit code 0 [2024-12-02 06:57:01,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:57:01,502 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:57:01,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:01,502 INFO L85 PathProgramCache]: Analyzing trace with hash 402884549, now seen corresponding path program 1 times [2024-12-02 06:57:01,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:57:01,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1404493619] [2024-12-02 06:57:01,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:01,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:57:01,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:57:01,504 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:57:01,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2024-12-02 06:57:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:01,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 06:57:01,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:57:02,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:57:04,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:57:04,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2024-12-02 06:57:04,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:57:04,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-12-02 06:57:04,969 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 06:57:04,969 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:57:05,234 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:57:05,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1404493619] [2024-12-02 06:57:05,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1404493619] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:57:05,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1520974755] [2024-12-02 06:57:05,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:05,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:57:05,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:57:05,236 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:57:05,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-02 06:57:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:06,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 06:57:06,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:57:06,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:57:08,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-02 06:57:09,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 06:57:09,275 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:57:09,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:57:09,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1520974755] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:57:09,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:57:09,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2024-12-02 06:57:09,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014455699] [2024-12-02 06:57:09,674 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:57:09,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 06:57:09,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:57:09,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 06:57:09,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:57:09,675 INFO L87 Difference]: Start difference. First operand 848 states and 1149 transitions. Second operand has 17 states, 16 states have (on average 7.25) internal successors, (116), 15 states have internal predecessors, (116), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2024-12-02 06:57:11,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:11,720 INFO L93 Difference]: Finished difference Result 1942 states and 2616 transitions. [2024-12-02 06:57:11,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 06:57:11,721 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 7.25) internal successors, (116), 15 states have internal predecessors, (116), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 125 [2024-12-02 06:57:11,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:11,725 INFO L225 Difference]: With dead ends: 1942 [2024-12-02 06:57:11,725 INFO L226 Difference]: Without dead ends: 1097 [2024-12-02 06:57:11,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 290 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=343, Invalid=989, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 06:57:11,726 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 1062 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:11,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 1113 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:57:11,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2024-12-02 06:57:11,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 845. [2024-12-02 06:57:11,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 770 states have (on average 1.3415584415584416) internal successors, (1033), 776 states have internal predecessors, (1033), 55 states have call successors, (55), 19 states have call predecessors, (55), 19 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) [2024-12-02 06:57:11,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1143 transitions. [2024-12-02 06:57:11,870 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1143 transitions. Word has length 125 [2024-12-02 06:57:11,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:11,871 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1143 transitions. [2024-12-02 06:57:11,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.25) internal successors, (116), 15 states have internal predecessors, (116), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2024-12-02 06:57:11,871 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1143 transitions. [2024-12-02 06:57:11,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 06:57:11,871 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:11,871 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:57:11,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Ended with exit code 0 [2024-12-02 06:57:12,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-12-02 06:57:12,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:57:12,272 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:57:12,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:12,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1524087035, now seen corresponding path program 1 times [2024-12-02 06:57:12,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:57:12,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741166435] [2024-12-02 06:57:12,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:12,273 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:57:12,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:57:12,274 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:57:12,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2024-12-02 06:57:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:12,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:57:12,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:57:12,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 06:57:13,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27 [2024-12-02 06:57:14,543 INFO L349 Elim1Store]: treesize reduction 34, result has 40.4 percent of original size [2024-12-02 06:57:14,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 39 [2024-12-02 06:57:14,819 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:57:14,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 85 [2024-12-02 06:57:14,858 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-12-02 06:57:14,858 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:57:15,346 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:57:15,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741166435] [2024-12-02 06:57:15,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741166435] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:57:15,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [737663892] [2024-12-02 06:57:15,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:15,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:57:15,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:57:15,348 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:57:15,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-02 06:57:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:16,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 06:57:16,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:57:16,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:57:16,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:57:18,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-12-02 06:57:19,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2024-12-02 06:57:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:57:19,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:57:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:57:20,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [737663892] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:57:20,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:57:20,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11, 8] total 22 [2024-12-02 06:57:20,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904895247] [2024-12-02 06:57:20,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:20,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:57:20,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:57:20,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:57:20,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=567, Unknown=0, NotChecked=0, Total=650 [2024-12-02 06:57:20,022 INFO L87 Difference]: Start difference. First operand 845 states and 1143 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:57:20,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:20,577 INFO L93 Difference]: Finished difference Result 1763 states and 2374 transitions. [2024-12-02 06:57:20,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:57:20,577 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 125 [2024-12-02 06:57:20,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:20,579 INFO L225 Difference]: With dead ends: 1763 [2024-12-02 06:57:20,579 INFO L226 Difference]: Without dead ends: 921 [2024-12-02 06:57:20,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2024-12-02 06:57:20,580 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 217 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:20,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 1111 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:57:20,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2024-12-02 06:57:20,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 845. [2024-12-02 06:57:20,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 770 states have (on average 1.3337662337662337) internal successors, (1027), 776 states have internal predecessors, (1027), 55 states have call successors, (55), 19 states have call predecessors, (55), 19 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) [2024-12-02 06:57:20,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1137 transitions. [2024-12-02 06:57:20,709 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1137 transitions. Word has length 125 [2024-12-02 06:57:20,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:20,709 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1137 transitions. [2024-12-02 06:57:20,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:57:20,709 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1137 transitions. [2024-12-02 06:57:20,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 06:57:20,710 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:20,710 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:57:20,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-02 06:57:20,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Forceful destruction successful, exit code 0 [2024-12-02 06:57:21,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:57:21,111 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:57:21,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:21,111 INFO L85 PathProgramCache]: Analyzing trace with hash 706438585, now seen corresponding path program 1 times [2024-12-02 06:57:21,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:57:21,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088104756] [2024-12-02 06:57:21,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:21,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:57:21,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:57:21,113 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:57:21,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Waiting until timeout for monitored process [2024-12-02 06:57:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:21,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 06:57:21,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:57:23,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-12-02 06:57:23,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 06:57:23,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-12-02 06:57:23,756 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:57:23,756 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:57:24,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2024-12-02 06:57:24,247 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:57:24,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088104756] [2024-12-02 06:57:24,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088104756] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:57:24,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1965285256] [2024-12-02 06:57:24,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:24,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:57:24,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:57:24,249 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:57:24,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-02 06:57:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:25,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 06:57:25,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:57:27,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:57:27,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-12-02 06:57:28,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 06:57:28,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-12-02 06:57:28,134 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 06:57:28,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:57:28,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2024-12-02 06:57:28,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1965285256] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:57:28,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:57:28,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-12-02 06:57:28,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157772377] [2024-12-02 06:57:28,546 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:57:28,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 06:57:28,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:57:28,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 06:57:28,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:57:28,547 INFO L87 Difference]: Start difference. First operand 845 states and 1137 transitions. Second operand has 14 states, 14 states have (on average 8.214285714285714) internal successors, (115), 13 states have internal predecessors, (115), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:57:31,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:31,411 INFO L93 Difference]: Finished difference Result 1892 states and 2525 transitions. [2024-12-02 06:57:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:57:31,412 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.214285714285714) internal successors, (115), 13 states have internal predecessors, (115), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 125 [2024-12-02 06:57:31,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:31,415 INFO L225 Difference]: With dead ends: 1892 [2024-12-02 06:57:31,415 INFO L226 Difference]: Without dead ends: 1050 [2024-12-02 06:57:31,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 293 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:57:31,416 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 925 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:31,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [925 Valid, 873 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 06:57:31,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2024-12-02 06:57:31,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 704. [2024-12-02 06:57:31,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 629 states have (on average 1.3195548489666136) internal successors, (830), 635 states have internal predecessors, (830), 55 states have call successors, (55), 19 states have call predecessors, (55), 19 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) [2024-12-02 06:57:31,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 940 transitions. [2024-12-02 06:57:31,553 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 940 transitions. Word has length 125 [2024-12-02 06:57:31,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:31,553 INFO L471 AbstractCegarLoop]: Abstraction has 704 states and 940 transitions. [2024-12-02 06:57:31,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.214285714285714) internal successors, (115), 13 states have internal predecessors, (115), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:57:31,554 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 940 transitions. [2024-12-02 06:57:31,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 06:57:31,554 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:31,554 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:57:31,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Ended with exit code 0 [2024-12-02 06:57:31,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-12-02 06:57:31,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:57:31,955 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:57:31,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:31,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1608360919, now seen corresponding path program 1 times [2024-12-02 06:57:31,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:57:31,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806239529] [2024-12-02 06:57:31,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:31,956 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:57:31,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:57:31,957 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:57:31,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2024-12-02 06:57:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:32,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:57:32,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:57:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-12-02 06:57:32,272 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:57:32,272 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:57:32,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806239529] [2024-12-02 06:57:32,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806239529] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:57:32,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:57:32,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:57:32,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348780798] [2024-12-02 06:57:32,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:32,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:57:32,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:57:32,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:57:32,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:57:32,274 INFO L87 Difference]: Start difference. First operand 704 states and 940 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 06:57:32,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:32,445 INFO L93 Difference]: Finished difference Result 1405 states and 1877 transitions. [2024-12-02 06:57:32,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:57:32,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2024-12-02 06:57:32,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:32,448 INFO L225 Difference]: With dead ends: 1405 [2024-12-02 06:57:32,448 INFO L226 Difference]: Without dead ends: 704 [2024-12-02 06:57:32,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:57:32,450 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:32,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 541 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:57:32,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-12-02 06:57:32,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 704. [2024-12-02 06:57:32,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 629 states have (on average 1.314785373608903) internal successors, (827), 635 states have internal predecessors, (827), 55 states have call successors, (55), 19 states have call predecessors, (55), 19 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) [2024-12-02 06:57:32,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 937 transitions. [2024-12-02 06:57:32,591 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 937 transitions. Word has length 125 [2024-12-02 06:57:32,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:32,591 INFO L471 AbstractCegarLoop]: Abstraction has 704 states and 937 transitions. [2024-12-02 06:57:32,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 06:57:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 937 transitions. [2024-12-02 06:57:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 06:57:32,592 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:32,592 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:57:32,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Ended with exit code 0 [2024-12-02 06:57:32,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:57:32,793 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:57:32,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:32,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1986579601, now seen corresponding path program 1 times [2024-12-02 06:57:32,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:57:32,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221704524] [2024-12-02 06:57:32,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:32,793 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:57:32,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:57:32,795 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:57:32,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2024-12-02 06:57:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:33,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 06:57:33,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:57:36,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:57:36,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2024-12-02 06:57:36,575 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:57:36,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 35 [2024-12-02 06:57:36,769 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 06:57:36,769 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:57:37,165 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:57:37,166 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:57:37,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221704524] [2024-12-02 06:57:37,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [221704524] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:57:37,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:57:37,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2024-12-02 06:57:37,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385066280] [2024-12-02 06:57:37,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:37,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:57:37,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:57:37,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:57:37,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2024-12-02 06:57:37,167 INFO L87 Difference]: Start difference. First operand 704 states and 937 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:57:37,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:37,754 INFO L93 Difference]: Finished difference Result 1059 states and 1411 transitions. [2024-12-02 06:57:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:57:37,755 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 126 [2024-12-02 06:57:37,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:37,757 INFO L225 Difference]: With dead ends: 1059 [2024-12-02 06:57:37,757 INFO L226 Difference]: Without dead ends: 1057 [2024-12-02 06:57:37,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2024-12-02 06:57:37,758 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 91 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:37,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 1180 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:57:37,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-12-02 06:57:37,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1001. [2024-12-02 06:57:37,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 926 states have (on average 1.3347732181425487) internal successors, (1236), 932 states have internal predecessors, (1236), 55 states have call successors, (55), 19 states have call predecessors, (55), 19 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) [2024-12-02 06:57:37,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1346 transitions. [2024-12-02 06:57:37,899 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1346 transitions. Word has length 126 [2024-12-02 06:57:37,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:37,899 INFO L471 AbstractCegarLoop]: Abstraction has 1001 states and 1346 transitions. [2024-12-02 06:57:37,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:57:37,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1346 transitions. [2024-12-02 06:57:37,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 06:57:37,900 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:37,900 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:57:37,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Ended with exit code 0 [2024-12-02 06:57:38,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:57:38,101 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:57:38,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:38,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1245774105, now seen corresponding path program 1 times [2024-12-02 06:57:38,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:57:38,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826557816] [2024-12-02 06:57:38,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:38,102 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:57:38,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:57:38,103 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:57:38,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2024-12-02 06:57:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:38,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 06:57:38,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:57:38,442 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-12-02 06:57:38,442 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:57:38,442 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:57:38,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826557816] [2024-12-02 06:57:38,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826557816] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:57:38,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:57:38,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:57:38,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142786069] [2024-12-02 06:57:38,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:38,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:57:38,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:57:38,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:57:38,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:57:38,443 INFO L87 Difference]: Start difference. First operand 1001 states and 1346 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 06:57:38,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:38,815 INFO L93 Difference]: Finished difference Result 2023 states and 2716 transitions. [2024-12-02 06:57:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:57:38,816 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 127 [2024-12-02 06:57:38,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:38,820 INFO L225 Difference]: With dead ends: 2023 [2024-12-02 06:57:38,820 INFO L226 Difference]: Without dead ends: 1019 [2024-12-02 06:57:38,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:57:38,821 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 1 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:38,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 802 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:57:38,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2024-12-02 06:57:38,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1001. [2024-12-02 06:57:38,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 926 states have (on average 1.3315334773218142) internal successors, (1233), 932 states have internal predecessors, (1233), 55 states have call successors, (55), 19 states have call predecessors, (55), 19 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) [2024-12-02 06:57:38,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1343 transitions. [2024-12-02 06:57:38,971 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1343 transitions. Word has length 127 [2024-12-02 06:57:38,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:38,971 INFO L471 AbstractCegarLoop]: Abstraction has 1001 states and 1343 transitions. [2024-12-02 06:57:38,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 06:57:38,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1343 transitions. [2024-12-02 06:57:38,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 06:57:38,972 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:38,973 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:57:38,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Ended with exit code 0 [2024-12-02 06:57:39,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:57:39,173 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:57:39,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:39,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1697807973, now seen corresponding path program 1 times [2024-12-02 06:57:39,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:57:39,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145309001] [2024-12-02 06:57:39,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:39,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:57:39,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:57:39,175 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:57:39,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2024-12-02 06:57:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:39,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 06:57:39,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:57:40,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 06:57:41,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-02 06:57:41,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-02 06:57:41,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-12-02 06:57:42,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2024-12-02 06:57:42,527 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:57:42,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 41 [2024-12-02 06:57:42,670 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 128 proven. 96 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-12-02 06:57:42,670 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:57:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:57:42,934 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:57:42,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145309001] [2024-12-02 06:57:42,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [145309001] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:57:42,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:57:42,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2024-12-02 06:57:42,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068264717] [2024-12-02 06:57:42,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:42,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:57:42,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:57:42,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:57:42,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:57:42,935 INFO L87 Difference]: Start difference. First operand 1001 states and 1343 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:57:43,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:43,828 INFO L93 Difference]: Finished difference Result 2335 states and 3143 transitions. [2024-12-02 06:57:43,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:57:43,828 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 127 [2024-12-02 06:57:43,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:43,830 INFO L225 Difference]: With dead ends: 2335 [2024-12-02 06:57:43,830 INFO L226 Difference]: Without dead ends: 1337 [2024-12-02 06:57:43,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-12-02 06:57:43,831 INFO L435 NwaCegarLoop]: 265 mSDtfsCounter, 110 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:43,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 1405 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 06:57:43,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2024-12-02 06:57:44,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1308. [2024-12-02 06:57:44,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 1219 states have (on average 1.3420836751435603) internal successors, (1636), 1228 states have internal predecessors, (1636), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:57:44,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1764 transitions. [2024-12-02 06:57:44,006 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1764 transitions. Word has length 127 [2024-12-02 06:57:44,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:44,006 INFO L471 AbstractCegarLoop]: Abstraction has 1308 states and 1764 transitions. [2024-12-02 06:57:44,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:57:44,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1764 transitions. [2024-12-02 06:57:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 06:57:44,007 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:44,008 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:57:44,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Ended with exit code 0 [2024-12-02 06:57:44,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:57:44,208 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:57:44,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:44,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1422346700, now seen corresponding path program 1 times [2024-12-02 06:57:44,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:57:44,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690007667] [2024-12-02 06:57:44,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:44,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:57:44,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:57:44,210 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:57:44,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2024-12-02 06:57:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:44,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 06:57:44,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:57:45,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:57:47,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:57:47,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2024-12-02 06:57:48,079 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:57:48,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 30 [2024-12-02 06:57:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 06:57:48,301 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:57:49,623 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:57:49,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690007667] [2024-12-02 06:57:49,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [690007667] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:57:49,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1089826567] [2024-12-02 06:57:49,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:49,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:57:49,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:57:49,624 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:57:49,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-02 06:57:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:50,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 06:57:50,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:57:51,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 06:57:55,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 06:57:55,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2024-12-02 06:57:55,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2024-12-02 06:57:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 162 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-12-02 06:57:56,034 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:57:56,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1089826567] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:57:56,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:57:56,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 26 [2024-12-02 06:57:56,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962526052] [2024-12-02 06:57:56,843 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:57:56,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-02 06:57:56,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:57:56,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-02 06:57:56,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1138, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 06:57:56,844 INFO L87 Difference]: Start difference. First operand 1308 states and 1764 transitions. Second operand has 27 states, 25 states have (on average 5.2) internal successors, (130), 24 states have internal predecessors, (130), 7 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) [2024-12-02 06:58:01,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:01,373 INFO L93 Difference]: Finished difference Result 1436 states and 1904 transitions. [2024-12-02 06:58:01,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-02 06:58:01,374 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 5.2) internal successors, (130), 24 states have internal predecessors, (130), 7 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) Word has length 128 [2024-12-02 06:58:01,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:01,376 INFO L225 Difference]: With dead ends: 1436 [2024-12-02 06:58:01,376 INFO L226 Difference]: Without dead ends: 1434 [2024-12-02 06:58:01,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 289 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=551, Invalid=2989, Unknown=0, NotChecked=0, Total=3540 [2024-12-02 06:58:01,377 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 932 mSDsluCounter, 2013 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 2159 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:01,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 2159 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 06:58:01,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2024-12-02 06:58:01,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1316. [2024-12-02 06:58:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1316 states, 1227 states have (on average 1.3431132844335778) internal successors, (1648), 1236 states have internal predecessors, (1648), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:58:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1776 transitions. [2024-12-02 06:58:01,557 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1776 transitions. Word has length 128 [2024-12-02 06:58:01,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:01,557 INFO L471 AbstractCegarLoop]: Abstraction has 1316 states and 1776 transitions. [2024-12-02 06:58:01,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 5.2) internal successors, (130), 24 states have internal predecessors, (130), 7 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) [2024-12-02 06:58:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1776 transitions. [2024-12-02 06:58:01,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 06:58:01,558 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:01,558 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:58:01,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Ended with exit code 0 [2024-12-02 06:58:01,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-02 06:58:01,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:58:01,959 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:58:01,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:01,959 INFO L85 PathProgramCache]: Analyzing trace with hash 601607126, now seen corresponding path program 1 times [2024-12-02 06:58:01,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:58:01,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743181137] [2024-12-02 06:58:01,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:01,960 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:58:01,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:58:01,961 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:58:01,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2024-12-02 06:58:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:02,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 06:58:02,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:58:03,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:58:05,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:58:05,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 06:58:06,421 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:58:06,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 34 [2024-12-02 06:58:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 06:58:06,631 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:58:07,653 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:58:07,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743181137] [2024-12-02 06:58:07,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743181137] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:58:07,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [920701442] [2024-12-02 06:58:07,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:07,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:58:07,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:58:07,655 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:58:07,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-02 06:58:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:08,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 06:58:08,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:58:09,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 06:58:13,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 06:58:14,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-12-02 06:58:14,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 38 [2024-12-02 06:58:14,914 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 162 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-12-02 06:58:14,914 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:58:15,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [920701442] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:58:15,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:58:15,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 25 [2024-12-02 06:58:15,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564185825] [2024-12-02 06:58:15,474 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:58:15,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 06:58:15,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:58:15,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 06:58:15,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1001, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 06:58:15,476 INFO L87 Difference]: Start difference. First operand 1316 states and 1776 transitions. Second operand has 26 states, 24 states have (on average 5.458333333333333) internal successors, (131), 23 states have internal predecessors, (131), 7 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) [2024-12-02 06:58:19,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:19,199 INFO L93 Difference]: Finished difference Result 1392 states and 1856 transitions. [2024-12-02 06:58:19,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 06:58:19,200 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 5.458333333333333) internal successors, (131), 23 states have internal predecessors, (131), 7 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) Word has length 128 [2024-12-02 06:58:19,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:19,203 INFO L225 Difference]: With dead ends: 1392 [2024-12-02 06:58:19,203 INFO L226 Difference]: Without dead ends: 1390 [2024-12-02 06:58:19,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 291 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=455, Invalid=2301, Unknown=0, NotChecked=0, Total=2756 [2024-12-02 06:58:19,204 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 622 mSDsluCounter, 1426 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:19,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 1571 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 06:58:19,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2024-12-02 06:58:19,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1316. [2024-12-02 06:58:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1316 states, 1227 states have (on average 1.3431132844335778) internal successors, (1648), 1236 states have internal predecessors, (1648), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:58:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1776 transitions. [2024-12-02 06:58:19,392 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1776 transitions. Word has length 128 [2024-12-02 06:58:19,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:19,393 INFO L471 AbstractCegarLoop]: Abstraction has 1316 states and 1776 transitions. [2024-12-02 06:58:19,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 5.458333333333333) internal successors, (131), 23 states have internal predecessors, (131), 7 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) [2024-12-02 06:58:19,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1776 transitions. [2024-12-02 06:58:19,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 06:58:19,395 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:19,395 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:58:19,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Ended with exit code 0 [2024-12-02 06:58:19,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-02 06:58:19,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:58:19,795 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:58:19,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:19,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1148160964, now seen corresponding path program 1 times [2024-12-02 06:58:19,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:58:19,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747660176] [2024-12-02 06:58:19,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:19,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:58:19,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:58:19,798 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:58:19,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Waiting until timeout for monitored process [2024-12-02 06:58:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:20,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:58:20,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:58:22,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:58:22,290 INFO L349 Elim1Store]: treesize reduction 18, result has 45.5 percent of original size [2024-12-02 06:58:22,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 28 [2024-12-02 06:58:22,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:58:22,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2024-12-02 06:58:22,429 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 06:58:22,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:58:22,741 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:58:22,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1747660176] [2024-12-02 06:58:22,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1747660176] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:58:22,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1135364939] [2024-12-02 06:58:22,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:22,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:58:22,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:58:22,743 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:58:22,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-02 06:58:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:24,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 06:58:24,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:58:24,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:58:27,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:58:27,654 INFO L349 Elim1Store]: treesize reduction 18, result has 45.5 percent of original size [2024-12-02 06:58:27,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 29 [2024-12-02 06:58:27,785 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:58:27,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2024-12-02 06:58:27,795 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 06:58:27,795 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:58:28,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1135364939] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:58:28,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:58:28,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2024-12-02 06:58:28,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086354240] [2024-12-02 06:58:28,026 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:58:28,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 06:58:28,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:58:28,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 06:58:28,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2024-12-02 06:58:28,027 INFO L87 Difference]: Start difference. First operand 1316 states and 1776 transitions. Second operand has 21 states, 19 states have (on average 6.2631578947368425) internal successors, (119), 18 states have internal predecessors, (119), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 06:58:30,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:30,103 INFO L93 Difference]: Finished difference Result 2653 states and 3573 transitions. [2024-12-02 06:58:30,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 06:58:30,104 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 6.2631578947368425) internal successors, (119), 18 states have internal predecessors, (119), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 129 [2024-12-02 06:58:30,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:30,107 INFO L225 Difference]: With dead ends: 2653 [2024-12-02 06:58:30,107 INFO L226 Difference]: Without dead ends: 1340 [2024-12-02 06:58:30,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 294 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=253, Invalid=1079, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 06:58:30,109 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 848 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:30,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 1104 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 06:58:30,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2024-12-02 06:58:30,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1316. [2024-12-02 06:58:30,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1316 states, 1227 states have (on average 1.3398533007334963) internal successors, (1644), 1236 states have internal predecessors, (1644), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:58:30,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1772 transitions. [2024-12-02 06:58:30,347 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1772 transitions. Word has length 129 [2024-12-02 06:58:30,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:30,348 INFO L471 AbstractCegarLoop]: Abstraction has 1316 states and 1772 transitions. [2024-12-02 06:58:30,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 6.2631578947368425) internal successors, (119), 18 states have internal predecessors, (119), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 06:58:30,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1772 transitions. [2024-12-02 06:58:30,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 06:58:30,349 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:30,349 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:58:30,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-02 06:58:30,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Ended with exit code 0 [2024-12-02 06:58:30,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:58:30,750 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:58:30,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:30,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1903659985, now seen corresponding path program 1 times [2024-12-02 06:58:30,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:58:30,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1501351483] [2024-12-02 06:58:30,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:30,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:58:30,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:58:30,753 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:58:30,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Waiting until timeout for monitored process [2024-12-02 06:58:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:31,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 06:58:31,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:58:32,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 06:58:36,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 06:58:36,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 06:58:37,614 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:58:37,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 28 [2024-12-02 06:58:38,025 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 162 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-12-02 06:58:38,025 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:58:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:58:39,524 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:58:39,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1501351483] [2024-12-02 06:58:39,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1501351483] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:58:39,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:58:39,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [18] total 27 [2024-12-02 06:58:39,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041104292] [2024-12-02 06:58:39,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:58:39,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 06:58:39,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:58:39,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 06:58:39,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2024-12-02 06:58:39,526 INFO L87 Difference]: Start difference. First operand 1316 states and 1772 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:58:41,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:41,361 INFO L93 Difference]: Finished difference Result 1666 states and 2224 transitions. [2024-12-02 06:58:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 06:58:41,362 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-12-02 06:58:41,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:41,366 INFO L225 Difference]: With dead ends: 1666 [2024-12-02 06:58:41,366 INFO L226 Difference]: Without dead ends: 1664 [2024-12-02 06:58:41,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=98, Invalid=1024, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 06:58:41,367 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 90 mSDsluCounter, 2177 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 2440 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:41,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 2440 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:58:41,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2024-12-02 06:58:41,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1550. [2024-12-02 06:58:41,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1461 states have (on average 1.351129363449692) internal successors, (1974), 1470 states have internal predecessors, (1974), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:58:41,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2102 transitions. [2024-12-02 06:58:41,610 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2102 transitions. Word has length 130 [2024-12-02 06:58:41,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:41,611 INFO L471 AbstractCegarLoop]: Abstraction has 1550 states and 2102 transitions. [2024-12-02 06:58:41,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:58:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2102 transitions. [2024-12-02 06:58:41,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 06:58:41,612 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:41,612 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:58:41,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Ended with exit code 0 [2024-12-02 06:58:41,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:58:41,813 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:58:41,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:41,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1094313359, now seen corresponding path program 1 times [2024-12-02 06:58:41,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:58:41,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212380599] [2024-12-02 06:58:41,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:41,814 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:58:41,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:58:41,816 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:58:41,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Waiting until timeout for monitored process [2024-12-02 06:58:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:42,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 06:58:42,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:58:46,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2024-12-02 06:58:46,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:58:46,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 06:58:47,339 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:58:47,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 25 [2024-12-02 06:58:47,387 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 06:58:47,387 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:58:48,056 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:58:48,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212380599] [2024-12-02 06:58:48,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212380599] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:58:48,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2136364993] [2024-12-02 06:58:48,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:48,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:58:48,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:58:48,058 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:58:48,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-02 06:58:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:49,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:58:49,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:58:51,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:58:51,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 06:58:52,297 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:58:52,297 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:58:52,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2136364993] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:58:52,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:58:52,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2024-12-02 06:58:52,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472536188] [2024-12-02 06:58:52,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:58:52,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:58:52,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:58:52,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:58:52,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:58:52,299 INFO L87 Difference]: Start difference. First operand 1550 states and 2102 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:58:53,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:53,259 INFO L93 Difference]: Finished difference Result 3141 states and 4246 transitions. [2024-12-02 06:58:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:58:53,260 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-12-02 06:58:53,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:53,265 INFO L225 Difference]: With dead ends: 3141 [2024-12-02 06:58:53,265 INFO L226 Difference]: Without dead ends: 1594 [2024-12-02 06:58:53,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:58:53,268 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 216 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:53,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 993 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 06:58:53,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2024-12-02 06:58:53,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 1550. [2024-12-02 06:58:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1461 states have (on average 1.3483915126625599) internal successors, (1970), 1470 states have internal predecessors, (1970), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:58:53,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2098 transitions. [2024-12-02 06:58:53,535 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2098 transitions. Word has length 130 [2024-12-02 06:58:53,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:53,535 INFO L471 AbstractCegarLoop]: Abstraction has 1550 states and 2098 transitions. [2024-12-02 06:58:53,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:58:53,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2098 transitions. [2024-12-02 06:58:53,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 06:58:53,537 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:53,537 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:58:53,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-02 06:58:53,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Ended with exit code 0 [2024-12-02 06:58:53,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:58:53,938 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:58:53,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:53,938 INFO L85 PathProgramCache]: Analyzing trace with hash -468079277, now seen corresponding path program 1 times [2024-12-02 06:58:53,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:58:53,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536363193] [2024-12-02 06:58:53,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:53,939 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:58:53,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:58:53,940 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:58:53,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Waiting until timeout for monitored process [2024-12-02 06:58:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:54,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 06:58:54,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:58:55,776 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-12-02 06:58:55,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 45 [2024-12-02 06:58:55,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-12-02 06:58:55,890 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 06:58:55,891 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:58:56,454 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-12-02 06:58:56,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 06:58:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 06:58:56,622 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:58:56,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536363193] [2024-12-02 06:58:56,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536363193] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:58:56,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:58:56,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-12-02 06:58:56,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045894629] [2024-12-02 06:58:56,623 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:58:56,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 06:58:56,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:58:56,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 06:58:56,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:58:56,623 INFO L87 Difference]: Start difference. First operand 1550 states and 2098 transitions. Second operand has 16 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 06:58:58,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:58,465 INFO L93 Difference]: Finished difference Result 2929 states and 3948 transitions. [2024-12-02 06:58:58,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:58:58,466 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 130 [2024-12-02 06:58:58,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:58,471 INFO L225 Difference]: With dead ends: 2929 [2024-12-02 06:58:58,471 INFO L226 Difference]: Without dead ends: 1382 [2024-12-02 06:58:58,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2024-12-02 06:58:58,474 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 189 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 1244 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:58,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 1244 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 06:58:58,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2024-12-02 06:58:58,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1348. [2024-12-02 06:58:58,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1348 states, 1259 states have (on average 1.3375694996028593) internal successors, (1684), 1268 states have internal predecessors, (1684), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:58:58,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1812 transitions. [2024-12-02 06:58:58,724 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1812 transitions. Word has length 130 [2024-12-02 06:58:58,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:58,725 INFO L471 AbstractCegarLoop]: Abstraction has 1348 states and 1812 transitions. [2024-12-02 06:58:58,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 6 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 06:58:58,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1812 transitions. [2024-12-02 06:58:58,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 06:58:58,727 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:58,727 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:58:58,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Ended with exit code 0 [2024-12-02 06:58:58,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:58:58,928 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:58:58,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:58,928 INFO L85 PathProgramCache]: Analyzing trace with hash 951611474, now seen corresponding path program 1 times [2024-12-02 06:58:58,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:58:58,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346297675] [2024-12-02 06:58:58,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:58,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:58:58,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:58:58,931 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:58:58,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Waiting until timeout for monitored process [2024-12-02 06:58:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:59,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:58:59,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:58:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:58:59,404 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:58:59,404 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:58:59,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346297675] [2024-12-02 06:58:59,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346297675] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:58:59,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:58:59,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:58:59,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45040232] [2024-12-02 06:58:59,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:58:59,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:58:59,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:58:59,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:58:59,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:58:59,405 INFO L87 Difference]: Start difference. First operand 1348 states and 1812 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:58:59,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:59,744 INFO L93 Difference]: Finished difference Result 2701 states and 3637 transitions. [2024-12-02 06:58:59,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:58:59,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-12-02 06:58:59,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:59,748 INFO L225 Difference]: With dead ends: 2701 [2024-12-02 06:58:59,748 INFO L226 Difference]: Without dead ends: 1356 [2024-12-02 06:58:59,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:58:59,750 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 0 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:59,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:58:59,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2024-12-02 06:58:59,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1356. [2024-12-02 06:58:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1267 states have (on average 1.3354380426203631) internal successors, (1692), 1276 states have internal predecessors, (1692), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:58:59,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1820 transitions. [2024-12-02 06:58:59,946 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1820 transitions. Word has length 131 [2024-12-02 06:58:59,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:59,946 INFO L471 AbstractCegarLoop]: Abstraction has 1356 states and 1820 transitions. [2024-12-02 06:58:59,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:58:59,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1820 transitions. [2024-12-02 06:58:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 06:58:59,947 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:59,947 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:58:59,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Forceful destruction successful, exit code 0 [2024-12-02 06:59:00,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:00,148 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:00,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:00,148 INFO L85 PathProgramCache]: Analyzing trace with hash -957101358, now seen corresponding path program 1 times [2024-12-02 06:59:00,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:59:00,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1463039870] [2024-12-02 06:59:00,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:00,149 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:00,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:59:00,150 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:59:00,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Waiting until timeout for monitored process [2024-12-02 06:59:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:00,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 06:59:00,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:59:00,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:59:01,209 INFO L349 Elim1Store]: treesize reduction 9, result has 75.7 percent of original size [2024-12-02 06:59:01,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 69 [2024-12-02 06:59:01,350 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:59:01,350 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:59:01,350 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:59:01,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1463039870] [2024-12-02 06:59:01,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1463039870] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:01,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:01,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:59:01,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781254165] [2024-12-02 06:59:01,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:01,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:59:01,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:59:01,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:59:01,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:59:01,351 INFO L87 Difference]: Start difference. First operand 1356 states and 1820 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:04,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:04,078 INFO L93 Difference]: Finished difference Result 2769 states and 3731 transitions. [2024-12-02 06:59:04,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:59:04,079 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-12-02 06:59:04,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:04,081 INFO L225 Difference]: With dead ends: 2769 [2024-12-02 06:59:04,081 INFO L226 Difference]: Without dead ends: 1416 [2024-12-02 06:59:04,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:59:04,083 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 96 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:04,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 981 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 06:59:04,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2024-12-02 06:59:04,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1376. [2024-12-02 06:59:04,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 1287 states have (on average 1.3395493395493396) internal successors, (1724), 1296 states have internal predecessors, (1724), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:59:04,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1852 transitions. [2024-12-02 06:59:04,276 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1852 transitions. Word has length 131 [2024-12-02 06:59:04,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:04,277 INFO L471 AbstractCegarLoop]: Abstraction has 1376 states and 1852 transitions. [2024-12-02 06:59:04,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:04,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1852 transitions. [2024-12-02 06:59:04,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 06:59:04,278 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:04,278 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:59:04,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Ended with exit code 0 [2024-12-02 06:59:04,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:04,479 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:04,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:04,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1532427604, now seen corresponding path program 1 times [2024-12-02 06:59:04,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:59:04,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152203454] [2024-12-02 06:59:04,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:04,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:04,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:59:04,481 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:59:04,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Waiting until timeout for monitored process [2024-12-02 06:59:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:04,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 06:59:04,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:59:04,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:59:05,370 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:59:05,370 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:59:05,370 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:59:05,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152203454] [2024-12-02 06:59:05,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [152203454] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:05,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:05,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:59:05,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842026163] [2024-12-02 06:59:05,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:05,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:59:05,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:59:05,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:59:05,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:59:05,371 INFO L87 Difference]: Start difference. First operand 1376 states and 1852 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:07,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:07,932 INFO L93 Difference]: Finished difference Result 2787 states and 3759 transitions. [2024-12-02 06:59:07,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:59:07,933 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-12-02 06:59:07,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:07,936 INFO L225 Difference]: With dead ends: 2787 [2024-12-02 06:59:07,936 INFO L226 Difference]: Without dead ends: 1414 [2024-12-02 06:59:07,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:59:07,937 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 82 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:07,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 958 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 06:59:07,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2024-12-02 06:59:08,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1376. [2024-12-02 06:59:08,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 1287 states have (on average 1.3395493395493396) internal successors, (1724), 1296 states have internal predecessors, (1724), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:59:08,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1852 transitions. [2024-12-02 06:59:08,143 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1852 transitions. Word has length 131 [2024-12-02 06:59:08,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:08,143 INFO L471 AbstractCegarLoop]: Abstraction has 1376 states and 1852 transitions. [2024-12-02 06:59:08,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:08,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1852 transitions. [2024-12-02 06:59:08,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 06:59:08,144 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:08,145 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:59:08,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Ended with exit code 0 [2024-12-02 06:59:08,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:08,345 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:08,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:08,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1466574448, now seen corresponding path program 1 times [2024-12-02 06:59:08,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:59:08,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1541474320] [2024-12-02 06:59:08,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:08,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:08,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:59:08,347 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:59:08,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Waiting until timeout for monitored process [2024-12-02 06:59:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:08,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 06:59:08,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:59:08,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-12-02 06:59:09,322 INFO L349 Elim1Store]: treesize reduction 9, result has 75.7 percent of original size [2024-12-02 06:59:09,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 70 [2024-12-02 06:59:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:59:09,502 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:59:09,502 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:59:09,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1541474320] [2024-12-02 06:59:09,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1541474320] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:09,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:09,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:59:09,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698998912] [2024-12-02 06:59:09,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:09,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:59:09,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:59:09,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:59:09,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:59:09,503 INFO L87 Difference]: Start difference. First operand 1376 states and 1852 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:12,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:12,214 INFO L93 Difference]: Finished difference Result 2753 states and 3707 transitions. [2024-12-02 06:59:12,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:59:12,215 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-12-02 06:59:12,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:12,218 INFO L225 Difference]: With dead ends: 2753 [2024-12-02 06:59:12,218 INFO L226 Difference]: Without dead ends: 1380 [2024-12-02 06:59:12,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:59:12,219 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 93 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:12,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 973 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 06:59:12,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2024-12-02 06:59:12,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1376. [2024-12-02 06:59:12,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 1287 states have (on average 1.3395493395493396) internal successors, (1724), 1296 states have internal predecessors, (1724), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:59:12,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1852 transitions. [2024-12-02 06:59:12,439 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1852 transitions. Word has length 131 [2024-12-02 06:59:12,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:12,439 INFO L471 AbstractCegarLoop]: Abstraction has 1376 states and 1852 transitions. [2024-12-02 06:59:12,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:12,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1852 transitions. [2024-12-02 06:59:12,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 06:59:12,440 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:12,440 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:59:12,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Ended with exit code 0 [2024-12-02 06:59:12,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:12,641 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:12,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:12,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1022954514, now seen corresponding path program 1 times [2024-12-02 06:59:12,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:59:12,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1506625113] [2024-12-02 06:59:12,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:12,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:12,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:59:12,644 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:59:12,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Waiting until timeout for monitored process [2024-12-02 06:59:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:13,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 06:59:13,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:59:13,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-12-02 06:59:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:59:13,607 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:59:13,607 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:59:13,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1506625113] [2024-12-02 06:59:13,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1506625113] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:13,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:13,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:59:13,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747683322] [2024-12-02 06:59:13,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:13,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:59:13,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:59:13,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:59:13,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:59:13,608 INFO L87 Difference]: Start difference. First operand 1376 states and 1852 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:15,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:15,812 INFO L93 Difference]: Finished difference Result 2749 states and 3701 transitions. [2024-12-02 06:59:15,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:59:15,814 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-12-02 06:59:15,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:15,817 INFO L225 Difference]: With dead ends: 2749 [2024-12-02 06:59:15,817 INFO L226 Difference]: Without dead ends: 1376 [2024-12-02 06:59:15,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:59:15,819 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 87 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:15,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 735 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 06:59:15,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2024-12-02 06:59:16,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1354. [2024-12-02 06:59:16,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1354 states, 1265 states have (on average 1.3343873517786562) internal successors, (1688), 1274 states have internal predecessors, (1688), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:59:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 1816 transitions. [2024-12-02 06:59:16,045 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 1816 transitions. Word has length 131 [2024-12-02 06:59:16,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:16,045 INFO L471 AbstractCegarLoop]: Abstraction has 1354 states and 1816 transitions. [2024-12-02 06:59:16,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1816 transitions. [2024-12-02 06:59:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 06:59:16,047 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:16,047 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:59:16,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Forceful destruction successful, exit code 0 [2024-12-02 06:59:16,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:16,247 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:16,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:16,248 INFO L85 PathProgramCache]: Analyzing trace with hash 2139762541, now seen corresponding path program 1 times [2024-12-02 06:59:16,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:59:16,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022374508] [2024-12-02 06:59:16,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:16,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:16,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:59:16,250 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:59:16,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (73)] Waiting until timeout for monitored process [2024-12-02 06:59:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:16,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 06:59:16,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:59:16,936 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-12-02 06:59:16,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 55 [2024-12-02 06:59:17,036 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:59:17,036 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:59:17,036 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:59:17,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022374508] [2024-12-02 06:59:17,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022374508] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:17,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:17,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:59:17,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315340431] [2024-12-02 06:59:17,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:17,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:59:17,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:59:17,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:59:17,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:59:17,037 INFO L87 Difference]: Start difference. First operand 1354 states and 1816 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:17,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:17,847 INFO L93 Difference]: Finished difference Result 2541 states and 3369 transitions. [2024-12-02 06:59:17,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:59:17,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 132 [2024-12-02 06:59:17,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:17,851 INFO L225 Difference]: With dead ends: 2541 [2024-12-02 06:59:17,851 INFO L226 Difference]: Without dead ends: 1190 [2024-12-02 06:59:17,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:59:17,852 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 52 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:17,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1032 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:59:17,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2024-12-02 06:59:18,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1188. [2024-12-02 06:59:18,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1188 states, 1099 states have (on average 1.2911737943585078) internal successors, (1419), 1108 states have internal predecessors, (1419), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:59:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1547 transitions. [2024-12-02 06:59:18,045 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1547 transitions. Word has length 132 [2024-12-02 06:59:18,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:18,046 INFO L471 AbstractCegarLoop]: Abstraction has 1188 states and 1547 transitions. [2024-12-02 06:59:18,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:18,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1547 transitions. [2024-12-02 06:59:18,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 06:59:18,047 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:18,047 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:59:18,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (73)] Ended with exit code 0 [2024-12-02 06:59:18,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:18,247 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:18,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:18,248 INFO L85 PathProgramCache]: Analyzing trace with hash -617799604, now seen corresponding path program 1 times [2024-12-02 06:59:18,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:59:18,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749473421] [2024-12-02 06:59:18,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:18,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:18,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:59:18,250 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:59:18,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (74)] Waiting until timeout for monitored process [2024-12-02 06:59:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:18,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:59:18,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:59:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:59:18,657 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:59:18,658 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:59:18,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749473421] [2024-12-02 06:59:18,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749473421] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:18,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:18,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:59:18,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55620346] [2024-12-02 06:59:18,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:18,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:59:18,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:59:18,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:59:18,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:59:18,658 INFO L87 Difference]: Start difference. First operand 1188 states and 1547 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:18,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:18,914 INFO L93 Difference]: Finished difference Result 2333 states and 3027 transitions. [2024-12-02 06:59:18,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:59:18,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 133 [2024-12-02 06:59:18,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:18,917 INFO L225 Difference]: With dead ends: 2333 [2024-12-02 06:59:18,917 INFO L226 Difference]: Without dead ends: 1148 [2024-12-02 06:59:18,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:59:18,918 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:18,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 507 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:59:18,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2024-12-02 06:59:19,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 1142. [2024-12-02 06:59:19,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 1053 states have (on average 1.2735042735042734) internal successors, (1341), 1062 states have internal predecessors, (1341), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:59:19,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1469 transitions. [2024-12-02 06:59:19,111 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1469 transitions. Word has length 133 [2024-12-02 06:59:19,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:19,111 INFO L471 AbstractCegarLoop]: Abstraction has 1142 states and 1469 transitions. [2024-12-02 06:59:19,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1469 transitions. [2024-12-02 06:59:19,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 06:59:19,112 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:19,112 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:59:19,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (74)] Forceful destruction successful, exit code 0 [2024-12-02 06:59:19,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:19,313 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:19,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:19,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1768454860, now seen corresponding path program 1 times [2024-12-02 06:59:19,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:59:19,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285355050] [2024-12-02 06:59:19,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:19,314 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:19,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:59:19,315 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:59:19,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (75)] Waiting until timeout for monitored process [2024-12-02 06:59:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:19,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 06:59:19,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:59:19,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:59:20,794 INFO L349 Elim1Store]: treesize reduction 3, result has 91.9 percent of original size [2024-12-02 06:59:20,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 85 treesize of output 82 [2024-12-02 06:59:21,045 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:59:21,045 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:59:21,045 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:59:21,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285355050] [2024-12-02 06:59:21,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285355050] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:21,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:21,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:59:21,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978952784] [2024-12-02 06:59:21,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:21,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:59:21,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:59:21,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:59:21,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:59:21,046 INFO L87 Difference]: Start difference. First operand 1142 states and 1469 transitions. Second operand has 12 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:29,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:29,433 INFO L93 Difference]: Finished difference Result 2349 states and 3035 transitions. [2024-12-02 06:59:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:59:29,435 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 133 [2024-12-02 06:59:29,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:29,438 INFO L225 Difference]: With dead ends: 2349 [2024-12-02 06:59:29,439 INFO L226 Difference]: Without dead ends: 1210 [2024-12-02 06:59:29,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=71, Invalid=308, Unknown=1, NotChecked=0, Total=380 [2024-12-02 06:59:29,441 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 101 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:29,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 1090 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-12-02 06:59:29,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2024-12-02 06:59:29,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1172. [2024-12-02 06:59:29,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 1083 states have (on average 1.280701754385965) internal successors, (1387), 1092 states have internal predecessors, (1387), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:59:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1515 transitions. [2024-12-02 06:59:29,671 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1515 transitions. Word has length 133 [2024-12-02 06:59:29,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:29,671 INFO L471 AbstractCegarLoop]: Abstraction has 1172 states and 1515 transitions. [2024-12-02 06:59:29,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:29,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1515 transitions. [2024-12-02 06:59:29,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 06:59:29,672 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:29,673 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:59:29,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (75)] Ended with exit code 0 [2024-12-02 06:59:29,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:29,873 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:29,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:29,873 INFO L85 PathProgramCache]: Analyzing trace with hash 950806410, now seen corresponding path program 1 times [2024-12-02 06:59:29,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:59:29,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005938913] [2024-12-02 06:59:29,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:29,874 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:29,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:59:29,875 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:59:29,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (76)] Waiting until timeout for monitored process [2024-12-02 06:59:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:30,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 06:59:30,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:59:30,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:59:30,806 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-12-02 06:59:30,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 44 [2024-12-02 06:59:30,929 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:59:30,930 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:59:30,930 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:59:30,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005938913] [2024-12-02 06:59:30,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005938913] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:30,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:30,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:59:30,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436223632] [2024-12-02 06:59:30,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:30,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:59:30,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:59:30,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:59:30,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:59:30,931 INFO L87 Difference]: Start difference. First operand 1172 states and 1515 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:33,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:33,256 INFO L93 Difference]: Finished difference Result 2371 states and 3069 transitions. [2024-12-02 06:59:33,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:59:33,257 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 133 [2024-12-02 06:59:33,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:33,260 INFO L225 Difference]: With dead ends: 2371 [2024-12-02 06:59:33,260 INFO L226 Difference]: Without dead ends: 1202 [2024-12-02 06:59:33,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:59:33,262 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 62 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:33,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 965 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 06:59:33,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2024-12-02 06:59:33,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1182. [2024-12-02 06:59:33,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1093 states have (on average 1.281793229643184) internal successors, (1401), 1102 states have internal predecessors, (1401), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:59:33,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1529 transitions. [2024-12-02 06:59:33,471 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1529 transitions. Word has length 133 [2024-12-02 06:59:33,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:33,472 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1529 transitions. [2024-12-02 06:59:33,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:33,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1529 transitions. [2024-12-02 06:59:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 06:59:33,473 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:33,473 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:59:33,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (76)] Ended with exit code 0 [2024-12-02 06:59:33,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:33,674 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:33,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:33,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1909003470, now seen corresponding path program 1 times [2024-12-02 06:59:33,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:59:33,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165941975] [2024-12-02 06:59:33,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:33,674 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:33,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:59:33,676 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:59:33,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (77)] Waiting until timeout for monitored process [2024-12-02 06:59:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:34,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 06:59:34,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:59:34,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:59:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:59:34,807 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:59:34,808 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:59:34,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1165941975] [2024-12-02 06:59:34,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1165941975] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:34,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:34,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 06:59:34,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879852456] [2024-12-02 06:59:34,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:34,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:59:34,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:59:34,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:59:34,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:59:34,809 INFO L87 Difference]: Start difference. First operand 1182 states and 1529 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:37,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:37,513 INFO L93 Difference]: Finished difference Result 2389 states and 3091 transitions. [2024-12-02 06:59:37,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:59:37,514 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 133 [2024-12-02 06:59:37,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:37,518 INFO L225 Difference]: With dead ends: 2389 [2024-12-02 06:59:37,518 INFO L226 Difference]: Without dead ends: 1210 [2024-12-02 06:59:37,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:59:37,520 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 74 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:37,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1058 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 06:59:37,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2024-12-02 06:59:37,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1182. [2024-12-02 06:59:37,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1093 states have (on average 1.2799634034766698) internal successors, (1399), 1102 states have internal predecessors, (1399), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:59:37,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1527 transitions. [2024-12-02 06:59:37,718 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1527 transitions. Word has length 133 [2024-12-02 06:59:37,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:37,718 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1527 transitions. [2024-12-02 06:59:37,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:37,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1527 transitions. [2024-12-02 06:59:37,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 06:59:37,720 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:37,720 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:59:37,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (77)] Ended with exit code 0 [2024-12-02 06:59:37,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 77 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:37,920 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:37,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:37,920 INFO L85 PathProgramCache]: Analyzing trace with hash 103565136, now seen corresponding path program 1 times [2024-12-02 06:59:37,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:59:37,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [164930603] [2024-12-02 06:59:37,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:37,921 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:37,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:59:37,922 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:59:37,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (78)] Waiting until timeout for monitored process [2024-12-02 06:59:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:38,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 06:59:38,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:59:38,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 06:59:39,045 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:59:39,045 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:59:39,045 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:59:39,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [164930603] [2024-12-02 06:59:39,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [164930603] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:39,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:39,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 06:59:39,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672701322] [2024-12-02 06:59:39,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:39,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:59:39,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:59:39,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:59:39,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:59:39,046 INFO L87 Difference]: Start difference. First operand 1182 states and 1527 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:41,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:41,635 INFO L93 Difference]: Finished difference Result 2387 states and 3083 transitions. [2024-12-02 06:59:41,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:59:41,636 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 133 [2024-12-02 06:59:41,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:41,638 INFO L225 Difference]: With dead ends: 2387 [2024-12-02 06:59:41,638 INFO L226 Difference]: Without dead ends: 1208 [2024-12-02 06:59:41,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:59:41,639 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 67 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:41,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 962 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 06:59:41,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2024-12-02 06:59:41,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1182. [2024-12-02 06:59:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1093 states have (on average 1.2781335773101556) internal successors, (1397), 1102 states have internal predecessors, (1397), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:59:41,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1525 transitions. [2024-12-02 06:59:41,826 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1525 transitions. Word has length 133 [2024-12-02 06:59:41,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:41,826 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1525 transitions. [2024-12-02 06:59:41,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:41,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1525 transitions. [2024-12-02 06:59:41,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 06:59:41,827 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:41,827 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:59:41,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (78)] Ended with exit code 0 [2024-12-02 06:59:42,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:42,028 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:42,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:42,028 INFO L85 PathProgramCache]: Analyzing trace with hash 2085842925, now seen corresponding path program 1 times [2024-12-02 06:59:42,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:59:42,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135580826] [2024-12-02 06:59:42,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:42,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:42,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:59:42,030 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:59:42,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (79)] Waiting until timeout for monitored process [2024-12-02 06:59:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:42,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 06:59:42,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:59:45,706 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:59:45,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 128 treesize of output 68 [2024-12-02 06:59:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 8 proven. 204 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-12-02 06:59:45,890 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:59:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:59:46,606 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:59:46,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1135580826] [2024-12-02 06:59:46,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1135580826] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:59:46,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:59:46,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-12-02 06:59:46,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071849946] [2024-12-02 06:59:46,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:46,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:59:46,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:59:46,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:59:46,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-12-02 06:59:46,608 INFO L87 Difference]: Start difference. First operand 1182 states and 1525 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:47,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:47,217 INFO L93 Difference]: Finished difference Result 2347 states and 3024 transitions. [2024-12-02 06:59:47,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:59:47,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 133 [2024-12-02 06:59:47,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:47,221 INFO L225 Difference]: With dead ends: 2347 [2024-12-02 06:59:47,221 INFO L226 Difference]: Without dead ends: 1168 [2024-12-02 06:59:47,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:59:47,222 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 174 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:47,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 500 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:59:47,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2024-12-02 06:59:47,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1166. [2024-12-02 06:59:47,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 1077 states have (on average 1.267409470752089) internal successors, (1365), 1086 states have internal predecessors, (1365), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:59:47,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1493 transitions. [2024-12-02 06:59:47,419 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1493 transitions. Word has length 133 [2024-12-02 06:59:47,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:47,420 INFO L471 AbstractCegarLoop]: Abstraction has 1166 states and 1493 transitions. [2024-12-02 06:59:47,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:47,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1493 transitions. [2024-12-02 06:59:47,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 06:59:47,421 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:47,421 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:59:47,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (79)] Ended with exit code 0 [2024-12-02 06:59:47,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:47,622 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:47,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:47,622 INFO L85 PathProgramCache]: Analyzing trace with hash -748403149, now seen corresponding path program 1 times [2024-12-02 06:59:47,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:59:47,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002175419] [2024-12-02 06:59:47,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:47,623 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:47,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:59:47,625 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:59:47,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (80)] Waiting until timeout for monitored process [2024-12-02 06:59:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:48,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 06:59:48,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:59:48,855 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:59:48,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2024-12-02 06:59:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:59:48,896 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:59:48,897 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:59:48,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002175419] [2024-12-02 06:59:48,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002175419] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:48,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:48,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 06:59:48,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014197306] [2024-12-02 06:59:48,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:48,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:59:48,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:59:48,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:59:48,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:59:48,897 INFO L87 Difference]: Start difference. First operand 1166 states and 1493 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:49,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:49,893 INFO L93 Difference]: Finished difference Result 2410 states and 3084 transitions. [2024-12-02 06:59:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 06:59:49,894 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 134 [2024-12-02 06:59:49,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:49,897 INFO L225 Difference]: With dead ends: 2410 [2024-12-02 06:59:49,897 INFO L226 Difference]: Without dead ends: 1247 [2024-12-02 06:59:49,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:59:49,898 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 16 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:49,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1242 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:59:49,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2024-12-02 06:59:50,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1198. [2024-12-02 06:59:50,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 1109 states have (on average 1.2705139765554554) internal successors, (1409), 1118 states have internal predecessors, (1409), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:59:50,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1537 transitions. [2024-12-02 06:59:50,088 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1537 transitions. Word has length 134 [2024-12-02 06:59:50,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:50,088 INFO L471 AbstractCegarLoop]: Abstraction has 1198 states and 1537 transitions. [2024-12-02 06:59:50,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:50,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1537 transitions. [2024-12-02 06:59:50,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 06:59:50,089 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:50,090 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:59:50,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (80)] Ended with exit code 0 [2024-12-02 06:59:50,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 80 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:50,290 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:50,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:50,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1557749775, now seen corresponding path program 1 times [2024-12-02 06:59:50,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:59:50,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688803371] [2024-12-02 06:59:50,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:50,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:50,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:59:50,292 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:59:50,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (81)] Waiting until timeout for monitored process [2024-12-02 06:59:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:50,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 06:59:50,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:59:51,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 06:59:52,292 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:59:52,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 65 [2024-12-02 06:59:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:59:52,617 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:59:52,617 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:59:52,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688803371] [2024-12-02 06:59:52,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [688803371] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:52,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:52,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 06:59:52,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110409248] [2024-12-02 06:59:52,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:52,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 06:59:52,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:59:52,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 06:59:52,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:59:52,618 INFO L87 Difference]: Start difference. First operand 1198 states and 1537 transitions. Second operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 17 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:55,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:55,618 INFO L93 Difference]: Finished difference Result 1292 states and 1631 transitions. [2024-12-02 06:59:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-02 06:59:55,619 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 17 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 134 [2024-12-02 06:59:55,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:55,622 INFO L225 Difference]: With dead ends: 1292 [2024-12-02 06:59:55,622 INFO L226 Difference]: Without dead ends: 1290 [2024-12-02 06:59:55,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=134, Invalid=858, Unknown=0, NotChecked=0, Total=992 [2024-12-02 06:59:55,622 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 214 mSDsluCounter, 2214 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 2450 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:55,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 2450 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 06:59:55,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2024-12-02 06:59:55,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1082. [2024-12-02 06:59:55,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 993 states have (on average 1.2870090634441087) internal successors, (1278), 1002 states have internal predecessors, (1278), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 06:59:55,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1406 transitions. [2024-12-02 06:59:55,865 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1406 transitions. Word has length 134 [2024-12-02 06:59:55,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:55,865 INFO L471 AbstractCegarLoop]: Abstraction has 1082 states and 1406 transitions. [2024-12-02 06:59:55,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 17 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:59:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1406 transitions. [2024-12-02 06:59:55,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 06:59:55,867 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:55,867 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:59:55,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (81)] Ended with exit code 0 [2024-12-02 06:59:56,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:56,067 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:56,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:56,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1920026845, now seen corresponding path program 1 times [2024-12-02 06:59:56,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:59:56,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102163613] [2024-12-02 06:59:56,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:56,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:59:56,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:59:56,070 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 06:59:56,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (82)] Waiting until timeout for monitored process [2024-12-02 06:59:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:56,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 06:59:56,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:59:59,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 07:00:01,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 35 [2024-12-02 07:00:02,101 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:00:02,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 33 [2024-12-02 07:00:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 07:00:02,627 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:00:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:00:03,516 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:00:03,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102163613] [2024-12-02 07:00:03,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102163613] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 07:00:03,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:00:03,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [19] total 28 [2024-12-02 07:00:03,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682976542] [2024-12-02 07:00:03,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:03,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 07:00:03,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:00:03,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 07:00:03,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2024-12-02 07:00:03,518 INFO L87 Difference]: Start difference. First operand 1082 states and 1406 transitions. Second operand has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:00:05,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:05,686 INFO L93 Difference]: Finished difference Result 2552 states and 3332 transitions. [2024-12-02 07:00:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 07:00:05,687 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-12-02 07:00:05,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:05,689 INFO L225 Difference]: With dead ends: 2552 [2024-12-02 07:00:05,689 INFO L226 Difference]: Without dead ends: 1473 [2024-12-02 07:00:05,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=110, Invalid=1012, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 07:00:05,691 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 132 mSDsluCounter, 1644 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1859 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:05,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1859 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 07:00:05,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2024-12-02 07:00:05,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1310. [2024-12-02 07:00:05,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 1221 states have (on average 1.3153153153153154) internal successors, (1606), 1230 states have internal predecessors, (1606), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:00:05,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1734 transitions. [2024-12-02 07:00:05,936 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1734 transitions. Word has length 138 [2024-12-02 07:00:05,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:05,936 INFO L471 AbstractCegarLoop]: Abstraction has 1310 states and 1734 transitions. [2024-12-02 07:00:05,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:00:05,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1734 transitions. [2024-12-02 07:00:05,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 07:00:05,937 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:05,937 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:00:05,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (82)] Ended with exit code 0 [2024-12-02 07:00:06,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 82 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:00:06,138 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:06,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:06,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1032812069, now seen corresponding path program 1 times [2024-12-02 07:00:06,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:00:06,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908309912] [2024-12-02 07:00:06,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:06,139 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:00:06,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:00:06,141 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:00:06,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (83)] Waiting until timeout for monitored process [2024-12-02 07:00:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:06,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 07:00:06,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:00:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:00:06,638 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:00:06,638 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:00:06,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908309912] [2024-12-02 07:00:06,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908309912] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:06,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:06,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:00:06,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675450068] [2024-12-02 07:00:06,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:06,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:00:06,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:00:06,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:00:06,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:06,639 INFO L87 Difference]: Start difference. First operand 1310 states and 1734 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:00:07,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:07,061 INFO L93 Difference]: Finished difference Result 2633 states and 3497 transitions. [2024-12-02 07:00:07,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:00:07,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-12-02 07:00:07,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:07,065 INFO L225 Difference]: With dead ends: 2633 [2024-12-02 07:00:07,065 INFO L226 Difference]: Without dead ends: 1326 [2024-12-02 07:00:07,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:07,066 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:07,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 338 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:00:07,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-12-02 07:00:07,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1326. [2024-12-02 07:00:07,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1326 states, 1237 states have (on average 1.3112368633791431) internal successors, (1622), 1246 states have internal predecessors, (1622), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:00:07,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1750 transitions. [2024-12-02 07:00:07,308 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1750 transitions. Word has length 138 [2024-12-02 07:00:07,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:07,308 INFO L471 AbstractCegarLoop]: Abstraction has 1326 states and 1750 transitions. [2024-12-02 07:00:07,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:00:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1750 transitions. [2024-12-02 07:00:07,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:00:07,310 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:07,310 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:00:07,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (83)] Ended with exit code 0 [2024-12-02 07:00:07,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:00:07,510 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:07,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:07,511 INFO L85 PathProgramCache]: Analyzing trace with hash -407059554, now seen corresponding path program 1 times [2024-12-02 07:00:07,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:00:07,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80858197] [2024-12-02 07:00:07,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:07,511 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:00:07,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:00:07,513 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:00:07,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (84)] Waiting until timeout for monitored process [2024-12-02 07:00:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:08,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-02 07:00:08,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:00:11,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 07:00:12,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:00:13,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:00:14,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 07:00:16,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2024-12-02 07:00:17,153 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:00:17,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 99 treesize of output 55 [2024-12-02 07:00:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 07:00:17,347 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:00:25,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2024-12-02 07:00:26,602 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:00:26,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80858197] [2024-12-02 07:00:26,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80858197] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:00:26,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [412932059] [2024-12-02 07:00:26,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:26,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:00:26,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:00:26,605 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:00:26,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-02 07:00:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:28,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-02 07:00:28,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:00:31,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:00:32,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:00:33,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 07:00:35,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 07:00:38,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 71 [2024-12-02 07:00:39,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 54 [2024-12-02 07:00:40,081 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 80 proven. 96 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-02 07:00:40,081 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:00:41,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2024-12-02 07:00:42,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [412932059] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:00:42,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:00:42,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2024-12-02 07:00:42,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403096589] [2024-12-02 07:00:42,702 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:00:42,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-02 07:00:42,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:00:42,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-02 07:00:42,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=1319, Unknown=1, NotChecked=0, Total=1640 [2024-12-02 07:00:42,703 INFO L87 Difference]: Start difference. First operand 1326 states and 1750 transitions. Second operand has 28 states, 28 states have (on average 4.928571428571429) internal successors, (138), 27 states have internal predecessors, (138), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-12-02 07:00:57,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:57,327 INFO L93 Difference]: Finished difference Result 3517 states and 4555 transitions. [2024-12-02 07:00:57,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 07:00:57,328 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.928571428571429) internal successors, (138), 27 states have internal predecessors, (138), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 140 [2024-12-02 07:00:57,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:57,331 INFO L225 Difference]: With dead ends: 3517 [2024-12-02 07:00:57,331 INFO L226 Difference]: Without dead ends: 2194 [2024-12-02 07:00:57,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 326 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1026 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=695, Invalid=2384, Unknown=1, NotChecked=0, Total=3080 [2024-12-02 07:00:57,334 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 1820 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 2034 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1820 SdHoareTripleChecker+Valid, 2309 SdHoareTripleChecker+Invalid, 2271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 2034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:57,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1820 Valid, 2309 Invalid, 2271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 2034 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2024-12-02 07:00:57,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2194 states. [2024-12-02 07:00:57,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2194 to 1376. [2024-12-02 07:00:57,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 1287 states have (on average 1.3115773115773115) internal successors, (1688), 1296 states have internal predecessors, (1688), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:00:57,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1816 transitions. [2024-12-02 07:00:57,595 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1816 transitions. Word has length 140 [2024-12-02 07:00:57,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:57,595 INFO L471 AbstractCegarLoop]: Abstraction has 1376 states and 1816 transitions. [2024-12-02 07:00:57,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.928571428571429) internal successors, (138), 27 states have internal predecessors, (138), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-12-02 07:00:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1816 transitions. [2024-12-02 07:00:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:00:57,596 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:57,596 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:00:57,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-02 07:00:57,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (84)] Ended with exit code 0 [2024-12-02 07:00:57,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,84 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:00:57,997 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:57,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:57,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1813560348, now seen corresponding path program 1 times [2024-12-02 07:00:57,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:00:57,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130570599] [2024-12-02 07:00:57,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:57,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:00:57,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:00:57,999 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:00:58,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (86)] Waiting until timeout for monitored process [2024-12-02 07:00:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:58,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 07:00:58,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:00:58,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-12-02 07:00:58,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:00:58,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 36 [2024-12-02 07:00:59,114 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:00:59,114 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:00:59,114 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:00:59,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130570599] [2024-12-02 07:00:59,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130570599] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:59,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:59,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 07:00:59,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388779752] [2024-12-02 07:00:59,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:59,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 07:00:59,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:00:59,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 07:00:59,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:00:59,115 INFO L87 Difference]: Start difference. First operand 1376 states and 1816 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:01:04,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:01:04,087 INFO L93 Difference]: Finished difference Result 3332 states and 4332 transitions. [2024-12-02 07:01:04,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 07:01:04,088 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:01:04,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:01:04,091 INFO L225 Difference]: With dead ends: 3332 [2024-12-02 07:01:04,091 INFO L226 Difference]: Without dead ends: 1959 [2024-12-02 07:01:04,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-12-02 07:01:04,092 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 300 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 1386 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:01:04,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 1386 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-12-02 07:01:04,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2024-12-02 07:01:04,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1412. [2024-12-02 07:01:04,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 1323 states have (on average 1.3136810279667424) internal successors, (1738), 1332 states have internal predecessors, (1738), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:01:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 1866 transitions. [2024-12-02 07:01:04,329 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 1866 transitions. Word has length 140 [2024-12-02 07:01:04,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:01:04,329 INFO L471 AbstractCegarLoop]: Abstraction has 1412 states and 1866 transitions. [2024-12-02 07:01:04,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:01:04,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1866 transitions. [2024-12-02 07:01:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:01:04,330 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:01:04,330 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:01:04,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (86)] Ended with exit code 0 [2024-12-02 07:01:04,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 86 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:01:04,531 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:01:04,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:01:04,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1954108958, now seen corresponding path program 1 times [2024-12-02 07:01:04,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:01:04,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413205976] [2024-12-02 07:01:04,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:01:04,531 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:01:04,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:01:04,533 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:01:04,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (87)] Waiting until timeout for monitored process [2024-12-02 07:01:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:01:05,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-02 07:01:05,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:01:08,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 07:01:08,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:01:09,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:01:10,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 07:01:12,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2024-12-02 07:01:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 07:01:13,072 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:01:20,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2024-12-02 07:01:21,245 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:01:21,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413205976] [2024-12-02 07:01:21,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1413205976] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:01:21,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [708567499] [2024-12-02 07:01:21,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:01:21,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:01:21,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:01:21,247 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:01:21,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-02 07:01:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:01:22,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-02 07:01:22,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:01:26,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:01:27,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 07:01:28,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2024-12-02 07:01:30,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 07:01:33,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 76 [2024-12-02 07:01:34,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 62 [2024-12-02 07:01:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 144 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 07:01:34,885 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:01:35,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2024-12-02 07:01:36,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [708567499] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:01:36,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:01:36,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 27 [2024-12-02 07:01:36,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14382428] [2024-12-02 07:01:36,532 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:01:36,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-02 07:01:36,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:01:36,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-02 07:01:36,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=1243, Unknown=1, NotChecked=0, Total=1560 [2024-12-02 07:01:36,533 INFO L87 Difference]: Start difference. First operand 1412 states and 1866 transitions. Second operand has 28 states, 28 states have (on average 5.035714285714286) internal successors, (141), 27 states have internal predecessors, (141), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 07:01:51,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:01:51,597 INFO L93 Difference]: Finished difference Result 3537 states and 4596 transitions. [2024-12-02 07:01:51,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 07:01:51,598 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.035714285714286) internal successors, (141), 27 states have internal predecessors, (141), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) Word has length 140 [2024-12-02 07:01:51,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:01:51,601 INFO L225 Difference]: With dead ends: 3537 [2024-12-02 07:01:51,601 INFO L226 Difference]: Without dead ends: 2128 [2024-12-02 07:01:51,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 329 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 881 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=631, Invalid=2124, Unknown=1, NotChecked=0, Total=2756 [2024-12-02 07:01:51,602 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 1670 mSDsluCounter, 2090 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 2322 SdHoareTripleChecker+Invalid, 2572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:01:51,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1670 Valid, 2322 Invalid, 2572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 2356 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2024-12-02 07:01:51,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2024-12-02 07:01:51,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 1412. [2024-12-02 07:01:51,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 1323 states have (on average 1.312169312169312) internal successors, (1736), 1332 states have internal predecessors, (1736), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:01:51,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 1864 transitions. [2024-12-02 07:01:51,866 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 1864 transitions. Word has length 140 [2024-12-02 07:01:51,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:01:51,866 INFO L471 AbstractCegarLoop]: Abstraction has 1412 states and 1864 transitions. [2024-12-02 07:01:51,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.035714285714286) internal successors, (141), 27 states have internal predecessors, (141), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 07:01:51,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1864 transitions. [2024-12-02 07:01:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:01:51,868 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:01:51,868 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:01:51,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-12-02 07:01:52,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (87)] Ended with exit code 0 [2024-12-02 07:01:52,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,87 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:01:52,268 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:01:52,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:01:52,269 INFO L85 PathProgramCache]: Analyzing trace with hash -40035748, now seen corresponding path program 1 times [2024-12-02 07:01:52,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:01:52,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276372217] [2024-12-02 07:01:52,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:01:52,269 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:01:52,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:01:52,271 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:01:52,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (89)] Waiting until timeout for monitored process [2024-12-02 07:01:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:01:52,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 07:01:52,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:01:52,808 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:01:52,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2024-12-02 07:01:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:01:52,883 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:01:52,883 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:01:52,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276372217] [2024-12-02 07:01:52,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [276372217] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:01:52,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:01:52,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:01:52,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502352495] [2024-12-02 07:01:52,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:01:52,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:01:52,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:01:52,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:01:52,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:01:52,884 INFO L87 Difference]: Start difference. First operand 1412 states and 1864 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:01:54,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:01:54,421 INFO L93 Difference]: Finished difference Result 3478 states and 4623 transitions. [2024-12-02 07:01:54,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:01:54,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:01:54,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:01:54,424 INFO L225 Difference]: With dead ends: 3478 [2024-12-02 07:01:54,424 INFO L226 Difference]: Without dead ends: 2069 [2024-12-02 07:01:54,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:01:54,425 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 102 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:01:54,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 648 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 07:01:54,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2024-12-02 07:01:54,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 1510. [2024-12-02 07:01:54,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1421 states have (on average 1.327234342012667) internal successors, (1886), 1430 states have internal predecessors, (1886), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:01:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2014 transitions. [2024-12-02 07:01:54,671 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2014 transitions. Word has length 140 [2024-12-02 07:01:54,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:01:54,671 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 2014 transitions. [2024-12-02 07:01:54,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:01:54,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2014 transitions. [2024-12-02 07:01:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:01:54,672 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:01:54,673 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:01:54,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (89)] Ended with exit code 0 [2024-12-02 07:01:54,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 89 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:01:54,873 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:01:54,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:01:54,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1319899426, now seen corresponding path program 1 times [2024-12-02 07:01:54,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:01:54,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [431597732] [2024-12-02 07:01:54,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:01:54,874 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:01:54,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:01:54,875 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:01:54,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (90)] Waiting until timeout for monitored process [2024-12-02 07:01:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:01:55,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 07:01:55,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:01:57,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 07:01:58,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:01:58,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 07:01:59,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 07:02:01,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2024-12-02 07:02:01,461 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:02:01,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 39 [2024-12-02 07:02:01,624 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 80 proven. 96 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-02 07:02:01,624 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:02:03,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2024-12-02 07:02:03,398 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:02:03,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [431597732] [2024-12-02 07:02:03,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [431597732] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:02:03,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [618947323] [2024-12-02 07:02:03,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:02:03,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:02:03,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:02:03,400 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:02:03,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-02 07:02:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:02:04,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 07:02:04,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:02:07,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:02:08,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-02 07:02:08,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 07:02:09,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 07:02:11,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 57 [2024-12-02 07:02:12,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 42 [2024-12-02 07:02:12,715 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 128 proven. 96 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-12-02 07:02:12,715 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:02:13,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2024-12-02 07:02:14,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [618947323] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:02:14,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:02:14,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2024-12-02 07:02:14,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246261317] [2024-12-02 07:02:14,272 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:02:14,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 07:02:14,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:02:14,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 07:02:14,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=1226, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 07:02:14,274 INFO L87 Difference]: Start difference. First operand 1510 states and 2014 transitions. Second operand has 25 states, 25 states have (on average 5.64) internal successors, (141), 24 states have internal predecessors, (141), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 07:02:29,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:02:29,148 INFO L93 Difference]: Finished difference Result 3597 states and 4725 transitions. [2024-12-02 07:02:29,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 07:02:29,149 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 5.64) internal successors, (141), 24 states have internal predecessors, (141), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) Word has length 140 [2024-12-02 07:02:29,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:02:29,152 INFO L225 Difference]: With dead ends: 3597 [2024-12-02 07:02:29,152 INFO L226 Difference]: Without dead ends: 2090 [2024-12-02 07:02:29,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 329 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 696 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=557, Invalid=1993, Unknown=0, NotChecked=0, Total=2550 [2024-12-02 07:02:29,153 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 1966 mSDsluCounter, 1840 mSDsCounter, 0 mSdLazyCounter, 1991 mSolverCounterSat, 266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 2008 SdHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 1991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:02:29,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1966 Valid, 2008 Invalid, 2257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 1991 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2024-12-02 07:02:29,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2024-12-02 07:02:29,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 1512. [2024-12-02 07:02:29,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1512 states, 1423 states have (on average 1.3267744202389318) internal successors, (1888), 1432 states have internal predecessors, (1888), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:02:29,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 2016 transitions. [2024-12-02 07:02:29,453 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 2016 transitions. Word has length 140 [2024-12-02 07:02:29,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:02:29,453 INFO L471 AbstractCegarLoop]: Abstraction has 1512 states and 2016 transitions. [2024-12-02 07:02:29,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 5.64) internal successors, (141), 24 states have internal predecessors, (141), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 07:02:29,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2016 transitions. [2024-12-02 07:02:29,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:02:29,455 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:02:29,455 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:02:29,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-02 07:02:29,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (90)] Ended with exit code 0 [2024-12-02 07:02:29,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 91 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,90 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:02:29,855 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:02:29,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:02:29,856 INFO L85 PathProgramCache]: Analyzing trace with hash -75634069, now seen corresponding path program 1 times [2024-12-02 07:02:29,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:02:29,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692323513] [2024-12-02 07:02:29,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:02:29,856 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:02:29,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:02:29,857 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:02:29,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (92)] Waiting until timeout for monitored process [2024-12-02 07:02:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:02:30,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:02:30,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:02:30,300 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:02:30,300 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:02:30,300 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:02:30,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1692323513] [2024-12-02 07:02:30,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1692323513] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:02:30,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:02:30,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:02:30,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487459674] [2024-12-02 07:02:30,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:02:30,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:02:30,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:02:30,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:02:30,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:02:30,301 INFO L87 Difference]: Start difference. First operand 1512 states and 2016 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:02:30,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:02:30,634 INFO L93 Difference]: Finished difference Result 2941 states and 3901 transitions. [2024-12-02 07:02:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:02:30,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:02:30,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:02:30,637 INFO L225 Difference]: With dead ends: 2941 [2024-12-02 07:02:30,637 INFO L226 Difference]: Without dead ends: 1432 [2024-12-02 07:02:30,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:02:30,638 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:02:30,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 477 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:02:30,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-12-02 07:02:30,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1400. [2024-12-02 07:02:30,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1400 states, 1311 states have (on average 1.292143401983219) internal successors, (1694), 1320 states have internal predecessors, (1694), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:02:30,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1822 transitions. [2024-12-02 07:02:30,949 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1822 transitions. Word has length 140 [2024-12-02 07:02:30,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:02:30,949 INFO L471 AbstractCegarLoop]: Abstraction has 1400 states and 1822 transitions. [2024-12-02 07:02:30,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:02:30,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1822 transitions. [2024-12-02 07:02:30,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:02:30,950 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:02:30,951 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:02:30,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (92)] Ended with exit code 0 [2024-12-02 07:02:31,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:02:31,151 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:02:31,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:02:31,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1526545821, now seen corresponding path program 1 times [2024-12-02 07:02:31,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:02:31,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504960573] [2024-12-02 07:02:31,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:02:31,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:02:31,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:02:31,153 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:02:31,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (93)] Waiting until timeout for monitored process [2024-12-02 07:02:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:02:31,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 07:02:31,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:02:31,706 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-12-02 07:02:31,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 26 [2024-12-02 07:02:31,758 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:02:31,758 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:02:31,758 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:02:31,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504960573] [2024-12-02 07:02:31,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1504960573] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:02:31,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:02:31,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:02:31,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231377294] [2024-12-02 07:02:31,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:02:31,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:02:31,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:02:31,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:02:31,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:02:31,760 INFO L87 Difference]: Start difference. First operand 1400 states and 1822 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:02:33,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:02:33,085 INFO L93 Difference]: Finished difference Result 3316 states and 4313 transitions. [2024-12-02 07:02:33,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:02:33,085 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:02:33,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:02:33,087 INFO L225 Difference]: With dead ends: 3316 [2024-12-02 07:02:33,087 INFO L226 Difference]: Without dead ends: 1919 [2024-12-02 07:02:33,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:02:33,089 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 94 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:02:33,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 836 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 07:02:33,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2024-12-02 07:02:33,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1446. [2024-12-02 07:02:33,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1446 states, 1357 states have (on average 1.2940309506263816) internal successors, (1756), 1366 states have internal predecessors, (1756), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:02:33,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 1884 transitions. [2024-12-02 07:02:33,363 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 1884 transitions. Word has length 140 [2024-12-02 07:02:33,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:02:33,363 INFO L471 AbstractCegarLoop]: Abstraction has 1446 states and 1884 transitions. [2024-12-02 07:02:33,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:02:33,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1884 transitions. [2024-12-02 07:02:33,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:02:33,365 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:02:33,365 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:02:33,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (93)] Ended with exit code 0 [2024-12-02 07:02:33,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 93 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:02:33,565 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:02:33,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:02:33,565 INFO L85 PathProgramCache]: Analyzing trace with hash -61802081, now seen corresponding path program 1 times [2024-12-02 07:02:33,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:02:33,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931829088] [2024-12-02 07:02:33,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:02:33,566 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:02:33,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:02:33,567 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:02:33,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (94)] Waiting until timeout for monitored process [2024-12-02 07:02:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:02:33,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 07:02:33,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:02:34,184 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:02:34,184 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:02:34,184 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:02:34,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931829088] [2024-12-02 07:02:34,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931829088] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:02:34,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:02:34,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 07:02:34,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694796055] [2024-12-02 07:02:34,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:02:34,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:02:34,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:02:34,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:02:34,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:02:34,185 INFO L87 Difference]: Start difference. First operand 1446 states and 1884 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:02:35,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:02:35,534 INFO L93 Difference]: Finished difference Result 3118 states and 4038 transitions. [2024-12-02 07:02:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:02:35,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:02:35,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:02:35,537 INFO L225 Difference]: With dead ends: 3118 [2024-12-02 07:02:35,537 INFO L226 Difference]: Without dead ends: 1675 [2024-12-02 07:02:35,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:02:35,539 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 83 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:02:35,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 862 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 07:02:35,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2024-12-02 07:02:35,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1442. [2024-12-02 07:02:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1353 states have (on average 1.2830746489283074) internal successors, (1736), 1362 states have internal predecessors, (1736), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:02:35,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 1864 transitions. [2024-12-02 07:02:35,870 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 1864 transitions. Word has length 140 [2024-12-02 07:02:35,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:02:35,870 INFO L471 AbstractCegarLoop]: Abstraction has 1442 states and 1864 transitions. [2024-12-02 07:02:35,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:02:35,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1864 transitions. [2024-12-02 07:02:35,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:02:35,872 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:02:35,873 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:02:35,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (94)] Ended with exit code 0 [2024-12-02 07:02:36,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:02:36,073 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:02:36,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:02:36,073 INFO L85 PathProgramCache]: Analyzing trace with hash -879450531, now seen corresponding path program 1 times [2024-12-02 07:02:36,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:02:36,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1858712626] [2024-12-02 07:02:36,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:02:36,074 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:02:36,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:02:36,075 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:02:36,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (95)] Waiting until timeout for monitored process [2024-12-02 07:02:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:02:36,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 07:02:36,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:02:36,630 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-12-02 07:02:36,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 26 [2024-12-02 07:02:36,683 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:02:36,683 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:02:36,683 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:02:36,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1858712626] [2024-12-02 07:02:36,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1858712626] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:02:36,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:02:36,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:02:36,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753858550] [2024-12-02 07:02:36,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:02:36,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:02:36,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:02:36,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:02:36,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:02:36,685 INFO L87 Difference]: Start difference. First operand 1442 states and 1864 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:02:38,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:02:38,016 INFO L93 Difference]: Finished difference Result 3158 states and 4062 transitions. [2024-12-02 07:02:38,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:02:38,016 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:02:38,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:02:38,018 INFO L225 Difference]: With dead ends: 3158 [2024-12-02 07:02:38,019 INFO L226 Difference]: Without dead ends: 1719 [2024-12-02 07:02:38,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:02:38,020 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 87 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:02:38,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 884 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 07:02:38,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2024-12-02 07:02:38,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1470. [2024-12-02 07:02:38,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 1381 states have (on average 1.277335264301231) internal successors, (1764), 1390 states have internal predecessors, (1764), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:02:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1892 transitions. [2024-12-02 07:02:38,290 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1892 transitions. Word has length 140 [2024-12-02 07:02:38,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:02:38,290 INFO L471 AbstractCegarLoop]: Abstraction has 1470 states and 1892 transitions. [2024-12-02 07:02:38,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:02:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1892 transitions. [2024-12-02 07:02:38,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:02:38,291 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:02:38,292 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:02:38,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (95)] Ended with exit code 0 [2024-12-02 07:02:38,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 95 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:02:38,492 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:02:38,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:02:38,492 INFO L85 PathProgramCache]: Analyzing trace with hash 2106259293, now seen corresponding path program 1 times [2024-12-02 07:02:38,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:02:38,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1250476698] [2024-12-02 07:02:38,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:02:38,493 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:02:38,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:02:38,494 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:02:38,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (96)] Waiting until timeout for monitored process [2024-12-02 07:02:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:02:38,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 07:02:38,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:02:38,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 07:02:39,690 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-12-02 07:02:39,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 42 [2024-12-02 07:02:40,020 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:02:40,020 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:02:40,020 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:02:40,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1250476698] [2024-12-02 07:02:40,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1250476698] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:02:40,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:02:40,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 07:02:40,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564882825] [2024-12-02 07:02:40,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:02:40,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 07:02:40,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:02:40,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 07:02:40,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:02:40,021 INFO L87 Difference]: Start difference. First operand 1470 states and 1892 transitions. Second operand has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:02:43,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:02:45,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:02:46,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:02:49,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:02:53,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:02:53,655 INFO L93 Difference]: Finished difference Result 2999 states and 3863 transitions. [2024-12-02 07:02:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 07:02:53,656 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:02:53,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:02:53,658 INFO L225 Difference]: With dead ends: 2999 [2024-12-02 07:02:53,658 INFO L226 Difference]: Without dead ends: 1532 [2024-12-02 07:02:53,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2024-12-02 07:02:53,659 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 86 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:02:53,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 1179 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2024-12-02 07:02:53,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2024-12-02 07:02:53,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1478. [2024-12-02 07:02:53,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1389 states have (on average 1.2786177105831533) internal successors, (1776), 1398 states have internal predecessors, (1776), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:02:53,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1904 transitions. [2024-12-02 07:02:53,968 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1904 transitions. Word has length 140 [2024-12-02 07:02:53,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:02:53,969 INFO L471 AbstractCegarLoop]: Abstraction has 1478 states and 1904 transitions. [2024-12-02 07:02:53,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:02:53,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1904 transitions. [2024-12-02 07:02:53,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:02:53,970 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:02:53,971 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:02:53,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (96)] Ended with exit code 0 [2024-12-02 07:02:54,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 96 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:02:54,171 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:02:54,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:02:54,171 INFO L85 PathProgramCache]: Analyzing trace with hash -265479969, now seen corresponding path program 1 times [2024-12-02 07:02:54,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:02:54,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823491929] [2024-12-02 07:02:54,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:02:54,172 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:02:54,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:02:54,173 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:02:54,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (97)] Waiting until timeout for monitored process [2024-12-02 07:02:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:02:54,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 07:02:54,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:02:54,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 07:02:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:02:55,409 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:02:55,409 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:02:55,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823491929] [2024-12-02 07:02:55,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823491929] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:02:55,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:02:55,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 07:02:55,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500468669] [2024-12-02 07:02:55,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:02:55,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 07:02:55,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:02:55,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 07:02:55,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:02:55,410 INFO L87 Difference]: Start difference. First operand 1478 states and 1904 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:02:58,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:02:58,297 INFO L93 Difference]: Finished difference Result 2997 states and 3859 transitions. [2024-12-02 07:02:58,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 07:02:58,298 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:02:58,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:02:58,300 INFO L225 Difference]: With dead ends: 2997 [2024-12-02 07:02:58,300 INFO L226 Difference]: Without dead ends: 1522 [2024-12-02 07:02:58,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-12-02 07:02:58,302 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 77 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:02:58,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1032 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 07:02:58,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2024-12-02 07:02:58,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1478. [2024-12-02 07:02:58,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1389 states have (on average 1.2771778257739381) internal successors, (1774), 1398 states have internal predecessors, (1774), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:02:58,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1902 transitions. [2024-12-02 07:02:58,615 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1902 transitions. Word has length 140 [2024-12-02 07:02:58,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:02:58,615 INFO L471 AbstractCegarLoop]: Abstraction has 1478 states and 1902 transitions. [2024-12-02 07:02:58,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:02:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1902 transitions. [2024-12-02 07:02:58,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:02:58,617 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:02:58,617 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:02:58,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (97)] Ended with exit code 0 [2024-12-02 07:02:58,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:02:58,817 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:02:58,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:02:58,817 INFO L85 PathProgramCache]: Analyzing trace with hash -2025527139, now seen corresponding path program 1 times [2024-12-02 07:02:58,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:02:58,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321084904] [2024-12-02 07:02:58,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:02:58,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:02:58,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:02:58,820 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:02:58,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (98)] Waiting until timeout for monitored process [2024-12-02 07:02:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:02:59,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 07:02:59,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:02:59,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 07:03:00,157 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:03:00,157 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:03:00,157 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:03:00,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1321084904] [2024-12-02 07:03:00,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1321084904] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:03:00,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:03:00,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 07:03:00,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593630197] [2024-12-02 07:03:00,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:03:00,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 07:03:00,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:03:00,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 07:03:00,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:03:00,158 INFO L87 Difference]: Start difference. First operand 1478 states and 1902 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:03:02,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:03:02,673 INFO L93 Difference]: Finished difference Result 3011 states and 3873 transitions. [2024-12-02 07:03:02,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 07:03:02,674 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:03:02,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:03:02,676 INFO L225 Difference]: With dead ends: 3011 [2024-12-02 07:03:02,676 INFO L226 Difference]: Without dead ends: 1536 [2024-12-02 07:03:02,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-12-02 07:03:02,677 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 75 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:03:02,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 733 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 07:03:02,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2024-12-02 07:03:02,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 1482. [2024-12-02 07:03:02,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1482 states, 1393 states have (on average 1.2763819095477387) internal successors, (1778), 1402 states have internal predecessors, (1778), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:03:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 1906 transitions. [2024-12-02 07:03:02,952 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 1906 transitions. Word has length 140 [2024-12-02 07:03:02,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:03:02,953 INFO L471 AbstractCegarLoop]: Abstraction has 1482 states and 1906 transitions. [2024-12-02 07:03:02,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:03:02,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1906 transitions. [2024-12-02 07:03:02,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:03:02,954 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:03:02,954 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:03:02,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (98)] Ended with exit code 0 [2024-12-02 07:03:03,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:03:03,154 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:03:03,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:03:03,155 INFO L85 PathProgramCache]: Analyzing trace with hash -102299105, now seen corresponding path program 1 times [2024-12-02 07:03:03,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:03:03,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1782873094] [2024-12-02 07:03:03,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:03:03,155 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:03:03,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:03:03,157 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:03:03,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (99)] Waiting until timeout for monitored process [2024-12-02 07:03:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:03:03,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 07:03:03,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:03:03,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 07:03:04,210 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-12-02 07:03:04,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 43 [2024-12-02 07:03:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:03:04,337 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:03:04,337 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:03:04,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1782873094] [2024-12-02 07:03:04,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1782873094] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:03:04,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:03:04,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 07:03:04,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652469631] [2024-12-02 07:03:04,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:03:04,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 07:03:04,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:03:04,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 07:03:04,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:03:04,339 INFO L87 Difference]: Start difference. First operand 1482 states and 1906 transitions. Second operand has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:03:06,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:03:06,967 INFO L93 Difference]: Finished difference Result 3007 states and 3867 transitions. [2024-12-02 07:03:06,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 07:03:06,968 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:03:06,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:03:06,970 INFO L225 Difference]: With dead ends: 3007 [2024-12-02 07:03:06,971 INFO L226 Difference]: Without dead ends: 1528 [2024-12-02 07:03:06,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2024-12-02 07:03:06,972 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 73 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 1074 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:03:06,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 1074 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 07:03:06,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2024-12-02 07:03:07,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1482. [2024-12-02 07:03:07,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1482 states, 1393 states have (on average 1.2763819095477387) internal successors, (1778), 1402 states have internal predecessors, (1778), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:03:07,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 1906 transitions. [2024-12-02 07:03:07,267 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 1906 transitions. Word has length 140 [2024-12-02 07:03:07,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:03:07,267 INFO L471 AbstractCegarLoop]: Abstraction has 1482 states and 1906 transitions. [2024-12-02 07:03:07,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:03:07,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1906 transitions. [2024-12-02 07:03:07,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:03:07,268 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:03:07,268 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:03:07,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (99)] Ended with exit code 0 [2024-12-02 07:03:07,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 99 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:03:07,469 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:03:07,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:03:07,469 INFO L85 PathProgramCache]: Analyzing trace with hash 252471968, now seen corresponding path program 1 times [2024-12-02 07:03:07,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:03:07,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935641376] [2024-12-02 07:03:07,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:03:07,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:03:07,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:03:07,471 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:03:07,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (100)] Waiting until timeout for monitored process [2024-12-02 07:03:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:03:07,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-02 07:03:07,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:03:10,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 07:03:11,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:03:12,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:03:13,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-12-02 07:03:15,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 69 [2024-12-02 07:03:16,282 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:03:16,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 60 [2024-12-02 07:03:16,482 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 07:03:16,482 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:03:23,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2024-12-02 07:03:24,359 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:03:24,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935641376] [2024-12-02 07:03:24,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935641376] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:03:24,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1823910790] [2024-12-02 07:03:24,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:03:24,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:03:24,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:03:24,361 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:03:24,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-02 07:03:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:03:25,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-02 07:03:25,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:03:29,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:03:30,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:03:31,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 07:03:33,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-12-02 07:03:35,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 72 [2024-12-02 07:03:36,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 38 [2024-12-02 07:03:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 80 proven. 96 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-02 07:03:36,635 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:03:41,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2024-12-02 07:03:42,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1823910790] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:03:42,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:03:42,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-12-02 07:03:42,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789737223] [2024-12-02 07:03:42,513 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:03:42,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-02 07:03:42,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:03:42,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-02 07:03:42,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=342, Invalid=1463, Unknown=1, NotChecked=0, Total=1806 [2024-12-02 07:03:42,514 INFO L87 Difference]: Start difference. First operand 1482 states and 1906 transitions. Second operand has 27 states, 27 states have (on average 5.111111111111111) internal successors, (138), 26 states have internal predecessors, (138), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-12-02 07:03:56,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:03:56,974 INFO L93 Difference]: Finished difference Result 3841 states and 4872 transitions. [2024-12-02 07:03:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 07:03:56,976 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.111111111111111) internal successors, (138), 26 states have internal predecessors, (138), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 140 [2024-12-02 07:03:56,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:03:56,979 INFO L225 Difference]: With dead ends: 3841 [2024-12-02 07:03:56,979 INFO L226 Difference]: Without dead ends: 2362 [2024-12-02 07:03:56,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 324 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1058 ImplicationChecksByTransitivity, 18.7s TimeCoverageRelationStatistics Valid=748, Invalid=2557, Unknown=1, NotChecked=0, Total=3306 [2024-12-02 07:03:56,981 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 1138 mSDsluCounter, 2112 mSDsCounter, 0 mSdLazyCounter, 1975 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 2341 SdHoareTripleChecker+Invalid, 2170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:03:56,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1138 Valid, 2341 Invalid, 2170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1975 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2024-12-02 07:03:56,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2024-12-02 07:03:57,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1473. [2024-12-02 07:03:57,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1473 states, 1384 states have (on average 1.2745664739884393) internal successors, (1764), 1393 states have internal predecessors, (1764), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:03:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 1892 transitions. [2024-12-02 07:03:57,271 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 1892 transitions. Word has length 140 [2024-12-02 07:03:57,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:03:57,272 INFO L471 AbstractCegarLoop]: Abstraction has 1473 states and 1892 transitions. [2024-12-02 07:03:57,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.111111111111111) internal successors, (138), 26 states have internal predecessors, (138), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-12-02 07:03:57,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1892 transitions. [2024-12-02 07:03:57,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:03:57,273 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:03:57,273 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:03:57,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-12-02 07:03:57,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (100)] Ended with exit code 0 [2024-12-02 07:03:57,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 101 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,100 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:03:57,674 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:03:57,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:03:57,674 INFO L85 PathProgramCache]: Analyzing trace with hash 527231582, now seen corresponding path program 1 times [2024-12-02 07:03:57,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:03:57,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230586085] [2024-12-02 07:03:57,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:03:57,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:03:57,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:03:57,676 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:03:57,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (102)] Waiting until timeout for monitored process [2024-12-02 07:03:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:03:58,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 07:03:58,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:03:58,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:03:58,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2024-12-02 07:03:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:03:58,327 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:03:58,327 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:03:58,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230586085] [2024-12-02 07:03:58,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230586085] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:03:58,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:03:58,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:03:58,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590572260] [2024-12-02 07:03:58,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:03:58,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:03:58,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:03:58,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:03:58,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:03:58,328 INFO L87 Difference]: Start difference. First operand 1473 states and 1892 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:03:59,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:03:59,395 INFO L93 Difference]: Finished difference Result 3102 states and 3985 transitions. [2024-12-02 07:03:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:03:59,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:03:59,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:03:59,398 INFO L225 Difference]: With dead ends: 3102 [2024-12-02 07:03:59,398 INFO L226 Difference]: Without dead ends: 1632 [2024-12-02 07:03:59,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:03:59,399 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 58 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:03:59,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 541 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 07:03:59,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-12-02 07:03:59,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1485. [2024-12-02 07:03:59,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 1396 states have (on average 1.2736389684813754) internal successors, (1778), 1405 states have internal predecessors, (1778), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:03:59,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1906 transitions. [2024-12-02 07:03:59,691 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1906 transitions. Word has length 140 [2024-12-02 07:03:59,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:03:59,692 INFO L471 AbstractCegarLoop]: Abstraction has 1485 states and 1906 transitions. [2024-12-02 07:03:59,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:03:59,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1906 transitions. [2024-12-02 07:03:59,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:03:59,693 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:03:59,693 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:03:59,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (102)] Ended with exit code 0 [2024-12-02 07:03:59,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:03:59,893 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:03:59,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:03:59,894 INFO L85 PathProgramCache]: Analyzing trace with hash 549863836, now seen corresponding path program 1 times [2024-12-02 07:03:59,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:03:59,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833973659] [2024-12-02 07:03:59,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:03:59,894 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:03:59,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:03:59,896 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:03:59,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (103)] Waiting until timeout for monitored process [2024-12-02 07:04:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:04:00,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 07:04:00,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:04:00,428 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:04:00,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2024-12-02 07:04:00,483 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:04:00,483 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:04:00,483 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:04:00,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [833973659] [2024-12-02 07:04:00,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [833973659] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:04:00,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:04:00,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:04:00,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676310326] [2024-12-02 07:04:00,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:04:00,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:04:00,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:04:00,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:04:00,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:04:00,484 INFO L87 Difference]: Start difference. First operand 1485 states and 1906 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:04:01,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:04:01,773 INFO L93 Difference]: Finished difference Result 3114 states and 3989 transitions. [2024-12-02 07:04:01,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:04:01,774 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:04:01,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:04:01,777 INFO L225 Difference]: With dead ends: 3114 [2024-12-02 07:04:01,777 INFO L226 Difference]: Without dead ends: 1632 [2024-12-02 07:04:01,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:04:01,777 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 54 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:04:01,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 541 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 07:04:01,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-12-02 07:04:02,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1503. [2024-12-02 07:04:02,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 1414 states have (on average 1.2673267326732673) internal successors, (1792), 1423 states have internal predecessors, (1792), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:04:02,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1920 transitions. [2024-12-02 07:04:02,061 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1920 transitions. Word has length 140 [2024-12-02 07:04:02,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:04:02,061 INFO L471 AbstractCegarLoop]: Abstraction has 1503 states and 1920 transitions. [2024-12-02 07:04:02,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:04:02,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1920 transitions. [2024-12-02 07:04:02,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:04:02,062 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:04:02,062 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:04:02,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (103)] Ended with exit code 0 [2024-12-02 07:04:02,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 103 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:04:02,263 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:04:02,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:04:02,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1821875426, now seen corresponding path program 1 times [2024-12-02 07:04:02,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:04:02,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [389014478] [2024-12-02 07:04:02,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:04:02,263 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:04:02,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:04:02,265 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:04:02,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (104)] Waiting until timeout for monitored process [2024-12-02 07:04:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:04:02,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 07:04:02,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:04:02,790 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:04:02,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2024-12-02 07:04:05,707 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:04:05,708 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:04:05,708 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:04:05,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [389014478] [2024-12-02 07:04:05,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [389014478] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:04:05,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:04:05,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:04:05,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084031915] [2024-12-02 07:04:05,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:04:05,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:04:05,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:04:05,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:04:05,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:04:05,708 INFO L87 Difference]: Start difference. First operand 1503 states and 1920 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:04:06,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:04:06,783 INFO L93 Difference]: Finished difference Result 3132 states and 3993 transitions. [2024-12-02 07:04:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:04:06,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:04:06,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:04:06,786 INFO L225 Difference]: With dead ends: 3132 [2024-12-02 07:04:06,786 INFO L226 Difference]: Without dead ends: 1632 [2024-12-02 07:04:06,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:04:06,787 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 51 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:04:06,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 541 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 07:04:06,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-12-02 07:04:07,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1503. [2024-12-02 07:04:07,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 1414 states have (on average 1.2687411598302687) internal successors, (1794), 1423 states have internal predecessors, (1794), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:04:07,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1922 transitions. [2024-12-02 07:04:07,076 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1922 transitions. Word has length 140 [2024-12-02 07:04:07,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:04:07,077 INFO L471 AbstractCegarLoop]: Abstraction has 1503 states and 1922 transitions. [2024-12-02 07:04:07,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:04:07,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1922 transitions. [2024-12-02 07:04:07,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:04:07,078 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:04:07,078 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:04:07,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (104)] Ended with exit code 0 [2024-12-02 07:04:07,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 104 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:04:07,278 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:04:07,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:04:07,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1681326816, now seen corresponding path program 1 times [2024-12-02 07:04:07,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:04:07,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601973775] [2024-12-02 07:04:07,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:04:07,279 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:04:07,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:04:07,280 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:04:07,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (105)] Waiting until timeout for monitored process [2024-12-02 07:04:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:04:07,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-02 07:04:07,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:04:10,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 07:04:11,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:04:12,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:04:13,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-12-02 07:04:15,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2024-12-02 07:04:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-12-02 07:04:16,596 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:04:19,811 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:04:19,811 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:04:19,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601973775] [2024-12-02 07:04:19,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601973775] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 07:04:19,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:04:19,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [16] total 32 [2024-12-02 07:04:19,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281792037] [2024-12-02 07:04:19,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:04:19,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 07:04:19,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:04:19,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 07:04:19,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=844, Unknown=0, NotChecked=0, Total=992 [2024-12-02 07:04:19,812 INFO L87 Difference]: Start difference. First operand 1503 states and 1922 transitions. Second operand has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 17 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:04:37,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:04:37,515 INFO L93 Difference]: Finished difference Result 4137 states and 5266 transitions. [2024-12-02 07:04:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-12-02 07:04:37,517 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 17 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:04:37,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:04:37,520 INFO L225 Difference]: With dead ends: 4137 [2024-12-02 07:04:37,520 INFO L226 Difference]: Without dead ends: 2637 [2024-12-02 07:04:37,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=400, Invalid=2462, Unknown=0, NotChecked=0, Total=2862 [2024-12-02 07:04:37,522 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 485 mSDsluCounter, 2081 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:04:37,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 2254 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-12-02 07:04:37,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2637 states. [2024-12-02 07:04:37,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2637 to 1595. [2024-12-02 07:04:37,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1595 states, 1506 states have (on average 1.2722443559096945) internal successors, (1916), 1515 states have internal predecessors, (1916), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:04:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2044 transitions. [2024-12-02 07:04:37,865 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2044 transitions. Word has length 140 [2024-12-02 07:04:37,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:04:37,865 INFO L471 AbstractCegarLoop]: Abstraction has 1595 states and 2044 transitions. [2024-12-02 07:04:37,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 17 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:04:37,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2044 transitions. [2024-12-02 07:04:37,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:04:37,866 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:04:37,866 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:04:37,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (105)] Ended with exit code 0 [2024-12-02 07:04:38,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 105 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:04:38,067 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:04:38,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:04:38,067 INFO L85 PathProgramCache]: Analyzing trace with hash -660367904, now seen corresponding path program 1 times [2024-12-02 07:04:38,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:04:38,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1059331945] [2024-12-02 07:04:38,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:04:38,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:04:38,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:04:38,069 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:04:38,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (106)] Waiting until timeout for monitored process [2024-12-02 07:04:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:04:38,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 07:04:38,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:04:41,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 07:04:41,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:04:42,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 07:04:43,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-12-02 07:04:44,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 65 [2024-12-02 07:04:45,000 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:04:45,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 49 [2024-12-02 07:04:45,163 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 80 proven. 96 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-02 07:04:45,163 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:04:46,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2024-12-02 07:04:47,216 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:04:47,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1059331945] [2024-12-02 07:04:47,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1059331945] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:04:47,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [869276045] [2024-12-02 07:04:47,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:04:47,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:04:47,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:04:47,218 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:04:47,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-02 07:04:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:04:48,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 07:04:48,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:04:51,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:04:52,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-02 07:04:52,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 07:04:54,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-12-02 07:04:56,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 58 [2024-12-02 07:04:57,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2024-12-02 07:04:57,558 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 128 proven. 96 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-12-02 07:04:57,558 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:04:58,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2024-12-02 07:04:58,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [869276045] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:04:58,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:04:58,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-12-02 07:04:58,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898177705] [2024-12-02 07:04:58,359 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:04:58,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-02 07:04:58,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:04:58,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-02 07:04:58,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=1217, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 07:04:58,361 INFO L87 Difference]: Start difference. First operand 1595 states and 2044 transitions. Second operand has 27 states, 27 states have (on average 5.222222222222222) internal successors, (141), 26 states have internal predecessors, (141), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 07:05:12,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:05:15,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:05:15,088 INFO L93 Difference]: Finished difference Result 3632 states and 4611 transitions. [2024-12-02 07:05:15,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 07:05:15,089 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.222222222222222) internal successors, (141), 26 states have internal predecessors, (141), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) Word has length 140 [2024-12-02 07:05:15,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:05:15,092 INFO L225 Difference]: With dead ends: 3632 [2024-12-02 07:05:15,092 INFO L226 Difference]: Without dead ends: 2040 [2024-12-02 07:05:15,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 327 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 778 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=552, Invalid=1998, Unknown=0, NotChecked=0, Total=2550 [2024-12-02 07:05:15,094 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 1861 mSDsluCounter, 1853 mSDsCounter, 0 mSdLazyCounter, 1881 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1861 SdHoareTripleChecker+Valid, 2017 SdHoareTripleChecker+Invalid, 2150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 1881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:05:15,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1861 Valid, 2017 Invalid, 2150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 1881 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2024-12-02 07:05:15,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2024-12-02 07:05:15,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 1583. [2024-12-02 07:05:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1494 states have (on average 1.2717536813922357) internal successors, (1900), 1503 states have internal predecessors, (1900), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:05:15,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2028 transitions. [2024-12-02 07:05:15,444 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2028 transitions. Word has length 140 [2024-12-02 07:05:15,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:05:15,444 INFO L471 AbstractCegarLoop]: Abstraction has 1583 states and 2028 transitions. [2024-12-02 07:05:15,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.222222222222222) internal successors, (141), 26 states have internal predecessors, (141), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 07:05:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2028 transitions. [2024-12-02 07:05:15,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:05:15,446 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:05:15,446 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:05:15,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (106)] Ended with exit code 0 [2024-12-02 07:05:15,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-12-02 07:05:15,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 106 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,107 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 07:05:15,846 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:05:15,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:05:15,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1529176481, now seen corresponding path program 1 times [2024-12-02 07:05:15,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:05:15,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706555354] [2024-12-02 07:05:15,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:05:15,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:05:15,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:05:15,849 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:05:15,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (108)] Waiting until timeout for monitored process [2024-12-02 07:05:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:05:16,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 07:05:16,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:05:17,227 INFO L349 Elim1Store]: treesize reduction 22, result has 40.5 percent of original size [2024-12-02 07:05:17,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2024-12-02 07:05:17,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2024-12-02 07:05:18,866 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-12-02 07:05:18,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 59 [2024-12-02 07:05:19,155 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 7 proven. 213 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 07:05:19,155 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:05:19,926 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:05:19,926 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:05:19,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1706555354] [2024-12-02 07:05:19,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1706555354] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 07:05:19,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:05:19,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 24 [2024-12-02 07:05:19,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560950132] [2024-12-02 07:05:19,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:05:19,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:05:19,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:05:19,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:05:19,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2024-12-02 07:05:19,928 INFO L87 Difference]: Start difference. First operand 1583 states and 2028 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:05:21,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:05:21,225 INFO L93 Difference]: Finished difference Result 3310 states and 4239 transitions. [2024-12-02 07:05:21,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:05:21,226 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:05:21,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:05:21,229 INFO L225 Difference]: With dead ends: 3310 [2024-12-02 07:05:21,229 INFO L226 Difference]: Without dead ends: 1730 [2024-12-02 07:05:21,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2024-12-02 07:05:21,230 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 135 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:05:21,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 639 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 07:05:21,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2024-12-02 07:05:21,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1599. [2024-12-02 07:05:21,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1599 states, 1510 states have (on average 1.2728476821192054) internal successors, (1922), 1519 states have internal predecessors, (1922), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:05:21,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 2050 transitions. [2024-12-02 07:05:21,553 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 2050 transitions. Word has length 140 [2024-12-02 07:05:21,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:05:21,554 INFO L471 AbstractCegarLoop]: Abstraction has 1599 states and 2050 transitions. [2024-12-02 07:05:21,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:05:21,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2050 transitions. [2024-12-02 07:05:21,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:05:21,555 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:05:21,555 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:05:21,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (108)] Ended with exit code 0 [2024-12-02 07:05:21,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 108 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:05:21,755 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:05:21,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:05:21,756 INFO L85 PathProgramCache]: Analyzing trace with hash 394051553, now seen corresponding path program 1 times [2024-12-02 07:05:21,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:05:21,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [127829882] [2024-12-02 07:05:21,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:05:21,756 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:05:21,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:05:21,757 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:05:21,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (109)] Waiting until timeout for monitored process [2024-12-02 07:05:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:05:22,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 07:05:22,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:05:23,060 INFO L349 Elim1Store]: treesize reduction 22, result has 40.5 percent of original size [2024-12-02 07:05:23,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2024-12-02 07:05:23,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2024-12-02 07:05:24,623 INFO L349 Elim1Store]: treesize reduction 9, result has 75.7 percent of original size [2024-12-02 07:05:24,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 83 treesize of output 78 [2024-12-02 07:05:24,886 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 7 proven. 213 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 07:05:24,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:05:25,645 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:05:25,645 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:05:25,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [127829882] [2024-12-02 07:05:25,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [127829882] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 07:05:25,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:05:25,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 24 [2024-12-02 07:05:25,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763734217] [2024-12-02 07:05:25,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:05:25,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:05:25,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:05:25,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:05:25,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2024-12-02 07:05:25,647 INFO L87 Difference]: Start difference. First operand 1599 states and 2050 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:05:27,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:05:27,035 INFO L93 Difference]: Finished difference Result 3300 states and 4223 transitions. [2024-12-02 07:05:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:05:27,036 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:05:27,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:05:27,039 INFO L225 Difference]: With dead ends: 3300 [2024-12-02 07:05:27,039 INFO L226 Difference]: Without dead ends: 1704 [2024-12-02 07:05:27,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2024-12-02 07:05:27,040 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 52 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:05:27,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 752 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 07:05:27,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2024-12-02 07:05:27,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1599. [2024-12-02 07:05:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1599 states, 1510 states have (on average 1.2728476821192054) internal successors, (1922), 1519 states have internal predecessors, (1922), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:05:27,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 2050 transitions. [2024-12-02 07:05:27,361 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 2050 transitions. Word has length 140 [2024-12-02 07:05:27,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:05:27,361 INFO L471 AbstractCegarLoop]: Abstraction has 1599 states and 2050 transitions. [2024-12-02 07:05:27,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:05:27,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2050 transitions. [2024-12-02 07:05:27,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 07:05:27,362 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:05:27,362 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:05:27,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (109)] Ended with exit code 0 [2024-12-02 07:05:27,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 109 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:05:27,563 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:05:27,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:05:27,563 INFO L85 PathProgramCache]: Analyzing trace with hash 557232417, now seen corresponding path program 1 times [2024-12-02 07:05:27,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:05:27,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963111472] [2024-12-02 07:05:27,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:05:27,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:05:27,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:05:27,565 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:05:27,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (110)] Waiting until timeout for monitored process [2024-12-02 07:05:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:05:28,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 07:05:28,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:05:28,935 INFO L349 Elim1Store]: treesize reduction 22, result has 40.5 percent of original size [2024-12-02 07:05:28,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2024-12-02 07:05:29,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 40 [2024-12-02 07:05:30,651 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-12-02 07:05:30,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 54 [2024-12-02 07:05:30,931 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 7 proven. 213 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 07:05:30,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:05:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:05:31,659 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:05:31,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963111472] [2024-12-02 07:05:31,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [963111472] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 07:05:31,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:05:31,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 24 [2024-12-02 07:05:31,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106130051] [2024-12-02 07:05:31,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:05:31,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:05:31,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:05:31,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:05:31,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2024-12-02 07:05:31,660 INFO L87 Difference]: Start difference. First operand 1599 states and 2050 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:05:33,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:05:33,004 INFO L93 Difference]: Finished difference Result 3288 states and 4205 transitions. [2024-12-02 07:05:33,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:05:33,005 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 07:05:33,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:05:33,008 INFO L225 Difference]: With dead ends: 3288 [2024-12-02 07:05:33,008 INFO L226 Difference]: Without dead ends: 1692 [2024-12-02 07:05:33,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2024-12-02 07:05:33,009 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 118 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:05:33,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 641 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 07:05:33,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2024-12-02 07:05:33,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1581. [2024-12-02 07:05:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1492 states have (on average 1.2707774798927614) internal successors, (1896), 1501 states have internal predecessors, (1896), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 55 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 07:05:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2024 transitions. [2024-12-02 07:05:33,340 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2024 transitions. Word has length 140 [2024-12-02 07:05:33,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:05:33,340 INFO L471 AbstractCegarLoop]: Abstraction has 1581 states and 2024 transitions. [2024-12-02 07:05:33,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:05:33,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2024 transitions. [2024-12-02 07:05:33,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 07:05:33,342 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:05:33,342 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:05:33,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (110)] Ended with exit code 0 [2024-12-02 07:05:33,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 110 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:05:33,542 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:05:33,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:05:33,542 INFO L85 PathProgramCache]: Analyzing trace with hash -765852380, now seen corresponding path program 1 times [2024-12-02 07:05:33,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:05:33,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741416483] [2024-12-02 07:05:33,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:05:33,543 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:05:33,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:05:33,544 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:05:33,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (111)] Waiting until timeout for monitored process [2024-12-02 07:05:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:05:34,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 07:05:34,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:05:34,140 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:05:34,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 30 [2024-12-02 07:05:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:05:34,204 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:05:34,204 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:05:34,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741416483] [2024-12-02 07:05:34,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [741416483] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:05:34,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:05:34,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:05:34,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490151093] [2024-12-02 07:05:34,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:05:34,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:05:34,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:05:34,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:05:34,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:05:34,205 INFO L87 Difference]: Start difference. First operand 1581 states and 2024 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:05:35,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:05:35,505 INFO L93 Difference]: Finished difference Result 3454 states and 4427 transitions. [2024-12-02 07:05:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:05:35,506 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 142 [2024-12-02 07:05:35,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:05:35,509 INFO L225 Difference]: With dead ends: 3454 [2024-12-02 07:05:35,509 INFO L226 Difference]: Without dead ends: 1876 [2024-12-02 07:05:35,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:05:35,510 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 93 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:05:35,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 901 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 07:05:35,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1876 states. [2024-12-02 07:05:35,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1876 to 1386. [2024-12-02 07:05:35,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1386 states, 1317 states have (on average 1.2619589977220957) internal successors, (1662), 1323 states have internal predecessors, (1662), 49 states have call successors, (49), 19 states have call predecessors, (49), 19 states have return successors, (49), 43 states have call predecessors, (49), 49 states have call successors, (49) [2024-12-02 07:05:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1760 transitions. [2024-12-02 07:05:35,869 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1760 transitions. Word has length 142 [2024-12-02 07:05:35,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:05:35,869 INFO L471 AbstractCegarLoop]: Abstraction has 1386 states and 1760 transitions. [2024-12-02 07:05:35,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:05:35,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1760 transitions. [2024-12-02 07:05:35,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 07:05:35,870 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:05:35,870 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:05:35,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (111)] Ended with exit code 0 [2024-12-02 07:05:36,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 111 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:05:36,071 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:05:36,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:05:36,071 INFO L85 PathProgramCache]: Analyzing trace with hash -2045716058, now seen corresponding path program 1 times [2024-12-02 07:05:36,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:05:36,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671421346] [2024-12-02 07:05:36,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:05:36,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:05:36,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:05:36,073 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:05:36,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (112)] Waiting until timeout for monitored process [2024-12-02 07:05:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:05:36,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 07:05:36,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:05:36,600 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-12-02 07:05:36,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 25 [2024-12-02 07:05:36,641 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:05:36,641 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:05:36,642 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:05:36,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671421346] [2024-12-02 07:05:36,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671421346] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:05:36,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:05:36,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:05:36,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853017270] [2024-12-02 07:05:36,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:05:36,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:05:36,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:05:36,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:05:36,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:05:36,643 INFO L87 Difference]: Start difference. First operand 1386 states and 1760 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:05:37,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:05:37,549 INFO L93 Difference]: Finished difference Result 3024 states and 3824 transitions. [2024-12-02 07:05:37,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:05:37,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 142 [2024-12-02 07:05:37,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:05:37,552 INFO L225 Difference]: With dead ends: 3024 [2024-12-02 07:05:37,552 INFO L226 Difference]: Without dead ends: 1641 [2024-12-02 07:05:37,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:05:37,553 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 89 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:05:37,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 735 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 07:05:37,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2024-12-02 07:05:37,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1332. [2024-12-02 07:05:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 1263 states have (on average 1.247822644497229) internal successors, (1576), 1269 states have internal predecessors, (1576), 49 states have call successors, (49), 19 states have call predecessors, (49), 19 states have return successors, (49), 43 states have call predecessors, (49), 49 states have call successors, (49) [2024-12-02 07:05:37,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1674 transitions. [2024-12-02 07:05:37,816 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1674 transitions. Word has length 142 [2024-12-02 07:05:37,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:05:37,816 INFO L471 AbstractCegarLoop]: Abstraction has 1332 states and 1674 transitions. [2024-12-02 07:05:37,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:05:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1674 transitions. [2024-12-02 07:05:37,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 07:05:37,817 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:05:37,817 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:05:37,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (112)] Forceful destruction successful, exit code 0 [2024-12-02 07:05:38,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 112 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:05:38,018 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:05:38,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:05:38,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1523156764, now seen corresponding path program 1 times [2024-12-02 07:05:38,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:05:38,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61067601] [2024-12-02 07:05:38,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:05:38,019 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:05:38,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:05:38,020 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:05:38,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (113)] Waiting until timeout for monitored process [2024-12-02 07:05:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:05:38,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 07:05:38,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:05:38,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:05:38,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 30 [2024-12-02 07:05:38,703 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:05:38,703 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:05:38,703 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:05:38,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61067601] [2024-12-02 07:05:38,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [61067601] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:05:38,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:05:38,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:05:38,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269647413] [2024-12-02 07:05:38,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:05:38,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:05:38,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:05:38,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:05:38,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:05:38,704 INFO L87 Difference]: Start difference. First operand 1332 states and 1674 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:05:40,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:05:40,109 INFO L93 Difference]: Finished difference Result 2876 states and 3612 transitions. [2024-12-02 07:05:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:05:40,110 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 142 [2024-12-02 07:05:40,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:05:40,113 INFO L225 Difference]: With dead ends: 2876 [2024-12-02 07:05:40,113 INFO L226 Difference]: Without dead ends: 1547 [2024-12-02 07:05:40,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:05:40,114 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 89 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:05:40,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 938 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 07:05:40,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2024-12-02 07:05:40,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 1270. [2024-12-02 07:05:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 1201 states have (on average 1.2389675270607827) internal successors, (1488), 1207 states have internal predecessors, (1488), 49 states have call successors, (49), 19 states have call predecessors, (49), 19 states have return successors, (49), 43 states have call predecessors, (49), 49 states have call successors, (49) [2024-12-02 07:05:40,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1586 transitions. [2024-12-02 07:05:40,381 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1586 transitions. Word has length 142 [2024-12-02 07:05:40,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:05:40,381 INFO L471 AbstractCegarLoop]: Abstraction has 1270 states and 1586 transitions. [2024-12-02 07:05:40,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 07:05:40,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1586 transitions. [2024-12-02 07:05:40,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 07:05:40,382 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:05:40,382 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:05:40,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (113)] Forceful destruction successful, exit code 0 [2024-12-02 07:05:40,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 113 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:05:40,583 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:05:40,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:05:40,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1461696611, now seen corresponding path program 1 times [2024-12-02 07:05:40,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:05:40,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473195778] [2024-12-02 07:05:40,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:05:40,584 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:05:40,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:05:40,585 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:05:40,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (114)] Waiting until timeout for monitored process [2024-12-02 07:05:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:05:41,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 07:05:41,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:05:43,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:05:44,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 07:05:45,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 07:05:48,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2024-12-02 07:05:48,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:05:48,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 37 [2024-12-02 07:05:49,156 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 80 proven. 96 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-02 07:05:49,156 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:05:51,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2024-12-02 07:05:51,831 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:05:51,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473195778] [2024-12-02 07:05:51,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473195778] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:05:51,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [803316618] [2024-12-02 07:05:51,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:05:51,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:05:51,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:05:51,833 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:05:51,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3203408-c3de-480a-bfe4-1f859b5d0c86/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-12-02 07:05:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:05:53,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-02 07:05:53,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:05:56,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:05:57,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 07:05:59,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 07:06:02,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2024-12-02 07:06:03,734 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 80 proven. 96 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-02 07:06:03,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:06:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 07:06:13,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [803316618] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 07:06:13,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:06:13,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [16, 16] total 47 [2024-12-02 07:06:13,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258631835] [2024-12-02 07:06:13,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:06:13,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 07:06:13,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:06:13,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 07:06:13,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=474, Invalid=3066, Unknown=0, NotChecked=0, Total=3540 [2024-12-02 07:06:13,406 INFO L87 Difference]: Start difference. First operand 1270 states and 1586 transitions. Second operand has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 17 states have internal predecessors, (75), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)