./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.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_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/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_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/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_a790758d-1cac-451c-a741-220aecb242e5/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 c6953e3e2c891dc327bad9ef4ac79fcd91ec8cfbe2ca26df68844c164258e82e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:22:12,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:22:12,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:22:12,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:22:12,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:22:12,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:22:12,602 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:22:12,602 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:22:12,602 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:22:12,602 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:22:12,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:22:12,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:22:12,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:22:12,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:22:12,603 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:22:12,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:22:12,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:22:12,603 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:22:12,603 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:22:12,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:22:12,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:22:12,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:22:12,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:22:12,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:22:12,604 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:22:12,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:22:12,604 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:22:12,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:22:12,604 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:22:12,604 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:22:12,604 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:22:12,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:22:12,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:22:12,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:22:12,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:22:12,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:22:12,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:22:12,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:22:12,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:22:12,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:22:12,605 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:22:12,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:22:12,605 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:22:12,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:22:12,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:22:12,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:22:12,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:22:12,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:22:12,606 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_a790758d-1cac-451c-a741-220aecb242e5/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 -> c6953e3e2c891dc327bad9ef4ac79fcd91ec8cfbe2ca26df68844c164258e82e [2024-12-02 12:22:12,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:22:12,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:22:12,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:22:12,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:22:12,854 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:22:12,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i [2024-12-02 12:22:15,459 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/data/aa66e5050/eca50578b3b648b393eb625918b0b769/FLAG8370cfade [2024-12-02 12:22:15,685 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:22:15,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i [2024-12-02 12:22:15,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/data/aa66e5050/eca50578b3b648b393eb625918b0b769/FLAG8370cfade [2024-12-02 12:22:16,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/data/aa66e5050/eca50578b3b648b393eb625918b0b769 [2024-12-02 12:22:16,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:22:16,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:22:16,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:22:16,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:22:16,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:22:16,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9559ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16, skipping insertion in model container [2024-12-02 12:22:16,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:22:16,169 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_a790758d-1cac-451c-a741-220aecb242e5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i[916,929] [2024-12-02 12:22:16,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:22:16,238 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:22:16,246 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_a790758d-1cac-451c-a741-220aecb242e5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i[916,929] [2024-12-02 12:22:16,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:22:16,295 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:22:16,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16 WrapperNode [2024-12-02 12:22:16,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:22:16,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:22:16,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:22:16,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:22:16,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,348 INFO L138 Inliner]: procedures = 29, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 479 [2024-12-02 12:22:16,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:22:16,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:22:16,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:22:16,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:22:16,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,361 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,381 INFO L175 MemorySlicer]: Split 129 memory accesses to 6 slices as follows [2, 28, 7, 19, 70, 3]. 54 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 4, 1, 2, 2, 1]. The 11 writes are split as follows [0, 4, 1, 3, 2, 1]. [2024-12-02 12:22:16,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,403 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:22:16,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:22:16,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:22:16,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:22:16,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16" (1/1) ... [2024-12-02 12:22:16,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:22:16,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:22:16,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:22:16,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:22:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:22:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 12:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 12:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 12:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 12:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 12:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 12:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 12:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 12:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 12:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 12:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 12:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 12:22:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 12:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 12:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 12:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 12:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 12:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 12:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 12:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 12:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 12:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 12:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 12:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 12:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 12:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 12:22:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 12:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 12:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 12:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 12:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:22:16,471 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 12:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 12:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 12:22:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 12:22:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:22:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:22:16,595 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:22:16,596 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:22:17,014 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2024-12-02 12:22:17,014 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:22:17,025 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:22:17,025 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:22:17,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:22:17 BoogieIcfgContainer [2024-12-02 12:22:17,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:22:17,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:22:17,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:22:17,033 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:22:17,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:22:16" (1/3) ... [2024-12-02 12:22:17,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679e48b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:22:17, skipping insertion in model container [2024-12-02 12:22:17,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:16" (2/3) ... [2024-12-02 12:22:17,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679e48b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:22:17, skipping insertion in model container [2024-12-02 12:22:17,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:22:17" (3/3) ... [2024-12-02 12:22:17,036 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-26.i [2024-12-02 12:22:17,051 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:22:17,053 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-26.i that has 2 procedures, 93 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:22:17,122 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:22:17,133 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;@5b5a7ef9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:22:17,134 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:22:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 12:22:17,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 12:22:17,147 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:17,147 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:17,148 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:17,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:17,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1509494359, now seen corresponding path program 1 times [2024-12-02 12:22:17,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:22:17,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725380235] [2024-12-02 12:22:17,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:17,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:22:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-02 12:22:17,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:22:17,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725380235] [2024-12-02 12:22:17,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725380235] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:22:17,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005164638] [2024-12-02 12:22:17,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:17,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:22:17,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:22:17,406 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:22:17,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:22:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:17,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:22:17,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:22:17,630 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-02 12:22:17,630 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:22:17,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005164638] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:17,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:22:17,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:22:17,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145800205] [2024-12-02 12:22:17,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:17,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:22:17,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:22:17,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:22:17,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:22:17,654 INFO L87 Difference]: Start difference. First operand has 93 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 12:22:17,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:17,676 INFO L93 Difference]: Finished difference Result 179 states and 271 transitions. [2024-12-02 12:22:17,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:22:17,678 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2024-12-02 12:22:17,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:17,683 INFO L225 Difference]: With dead ends: 179 [2024-12-02 12:22:17,684 INFO L226 Difference]: Without dead ends: 89 [2024-12-02 12:22:17,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 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 12:22:17,689 INFO L435 NwaCegarLoop]: 127 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, 127 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 12:22:17,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:22:17,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-12-02 12:22:17,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-12-02 12:22:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 12:22:17,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2024-12-02 12:22:17,724 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 89 [2024-12-02 12:22:17,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:17,724 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2024-12-02 12:22:17,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 12:22:17,725 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2024-12-02 12:22:17,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 12:22:17,727 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:17,728 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:17,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:22:17,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:22:17,928 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:17,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:17,929 INFO L85 PathProgramCache]: Analyzing trace with hash 359888411, now seen corresponding path program 1 times [2024-12-02 12:22:17,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:22:17,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838030199] [2024-12-02 12:22:17,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:17,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:22:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:22:18,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:22:18,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838030199] [2024-12-02 12:22:18,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838030199] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:18,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:22:18,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:22:18,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721970703] [2024-12-02 12:22:18,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:18,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:22:18,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:22:18,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:22:18,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:22:18,188 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:18,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:18,227 INFO L93 Difference]: Finished difference Result 178 states and 255 transitions. [2024-12-02 12:22:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:22:18,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2024-12-02 12:22:18,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:18,229 INFO L225 Difference]: With dead ends: 178 [2024-12-02 12:22:18,229 INFO L226 Difference]: Without dead ends: 92 [2024-12-02 12:22:18,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 12:22:18,230 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:22:18,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 363 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:22:18,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-12-02 12:22:18,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2024-12-02 12:22:18,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 12:22:18,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2024-12-02 12:22:18,239 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 89 [2024-12-02 12:22:18,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:18,241 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2024-12-02 12:22:18,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:18,241 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2024-12-02 12:22:18,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 12:22:18,242 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:18,242 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:18,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:22:18,243 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:18,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:18,243 INFO L85 PathProgramCache]: Analyzing trace with hash 361735453, now seen corresponding path program 1 times [2024-12-02 12:22:18,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:22:18,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966460923] [2024-12-02 12:22:18,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:18,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:22:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:22:18,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:22:18,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966460923] [2024-12-02 12:22:18,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966460923] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:18,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:22:18,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:22:18,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288812798] [2024-12-02 12:22:18,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:18,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:22:18,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:22:18,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:22:18,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:22:18,466 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:18,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:18,595 INFO L93 Difference]: Finished difference Result 179 states and 255 transitions. [2024-12-02 12:22:18,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:22:18,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2024-12-02 12:22:18,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:18,597 INFO L225 Difference]: With dead ends: 179 [2024-12-02 12:22:18,597 INFO L226 Difference]: Without dead ends: 91 [2024-12-02 12:22:18,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 12:22:18,599 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:22:18,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 205 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:22:18,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-12-02 12:22:18,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-12-02 12:22:18,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.375) internal successors, (110), 80 states have internal predecessors, (110), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 12:22:18,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 128 transitions. [2024-12-02 12:22:18,608 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 128 transitions. Word has length 89 [2024-12-02 12:22:18,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:18,608 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 128 transitions. [2024-12-02 12:22:18,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:18,609 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions. [2024-12-02 12:22:18,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 12:22:18,610 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:18,610 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:18,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:22:18,610 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:18,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:18,611 INFO L85 PathProgramCache]: Analyzing trace with hash -455912997, now seen corresponding path program 1 times [2024-12-02 12:22:18,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:22:18,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385281947] [2024-12-02 12:22:18,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:18,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:22:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:22:18,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [429453633] [2024-12-02 12:22:18,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:18,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:22:18,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:22:18,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:22:18,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:22:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:22:19,132 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:22:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:22:19,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:22:19,309 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:22:19,310 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:22:19,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 12:22:19,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:22:19,514 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 12:22:19,573 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:22:19,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:22:19 BoogieIcfgContainer [2024-12-02 12:22:19,576 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:22:19,576 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:22:19,576 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:22:19,577 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:22:19,577 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:22:17" (3/4) ... [2024-12-02 12:22:19,579 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:22:19,580 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:22:19,580 INFO L158 Benchmark]: Toolchain (without parser) took 3533.84ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 55.0MB in the end (delta: 61.8MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2024-12-02 12:22:19,581 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:22:19,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.95ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 101.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:22:19,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.71ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 97.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:22:19,581 INFO L158 Benchmark]: Boogie Preprocessor took 71.24ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 92.4MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:22:19,582 INFO L158 Benchmark]: RCFGBuilder took 604.69ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 57.9MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 12:22:19,582 INFO L158 Benchmark]: TraceAbstraction took 2548.06ms. Allocated memory is still 142.6MB. Free memory was 57.3MB in the beginning and 55.0MB in the end (delta: 2.3MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. [2024-12-02 12:22:19,582 INFO L158 Benchmark]: Witness Printer took 3.24ms. Allocated memory is still 142.6MB. Free memory was 55.0MB in the beginning and 55.0MB in the end (delta: 11.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:22:19,584 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.95ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 101.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.71ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 97.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.24ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 92.4MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 604.69ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 57.9MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2548.06ms. Allocated memory is still 142.6MB. Free memory was 57.3MB in the beginning and 55.0MB in the end (delta: 2.3MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. * Witness Printer took 3.24ms. Allocated memory is still 142.6MB. Free memory was 55.0MB in the beginning and 55.0MB in the end (delta: 11.5kB). 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 76, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 46, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of someBinaryArithmeticFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L25-L27] signed long int signed_long_int_Array_0[1] = { -32 }; [L25-L27] signed long int signed_long_int_Array_0[1] = { -32 }; [L28-L30] signed short int signed_short_int_Array_0[2] = { 1, -1 }; [L28-L30] signed short int signed_short_int_Array_0[2] = { 1, -1 }; [L28-L30] signed short int signed_short_int_Array_0[2] = { 1, -1 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 64 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 64 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 64 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[1] = { 50 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[1] = { 50 }; [L37] unsigned char last_1_unsigned_char_Array_0_1_ = 64; VAL [float_Array_0={4:0}, isInitial=0, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] isInitial = 1 [L81] FCALL initially() [L83] CALL updateLastVariables() [L73] EXPR unsigned_char_Array_0[1] [L73] last_1_unsigned_char_Array_0_1_ = unsigned_char_Array_0[1] [L83] RET updateLastVariables() [L84] CALL updateVariables() [L57] float_Array_0[0][1] = __VERIFIER_nondet_float() [L58] EXPR float_Array_0[0][1] [L58] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F [L58] EXPR float_Array_0[0][1] [L58] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] EXPR (float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] EXPR (float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] CALL assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] RET assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L59] float_Array_0[1][1] = __VERIFIER_nondet_float() [L60] EXPR float_Array_0[1][1] [L60] EXPR float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] EXPR float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F [L60] EXPR float_Array_0[1][1] [L60] EXPR float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] EXPR (float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 4611686.018427382800e+12F && float_Array_0[1][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] EXPR (float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 4611686.018427382800e+12F && float_Array_0[1][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] CALL assume_abort_if_not((float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 4611686.018427382800e+12F && float_Array_0[1][1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] RET assume_abort_if_not((float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 4611686.018427382800e+12F && float_Array_0[1][1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L61] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L62] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L62] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= -2147483648) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L62] RET assume_abort_if_not(signed_long_int_Array_0[0] >= -2147483648) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L63] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L63] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L63] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L64] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L64] CALL assume_abort_if_not(signed_long_int_Array_0[0] != 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L64] RET assume_abort_if_not(signed_long_int_Array_0[0] != 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L65] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L66] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L66] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -32767) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L66] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -32767) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L67] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L67] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L67] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L68] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L69] EXPR unsigned_char_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L69] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] EXPR unsigned_char_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] RET updateVariables() [L85] CALL step() [L41] EXPR float_Array_0[0][1] [L41] EXPR float_Array_0[1][1] [L41] float_Array_0[1][0] = ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1]) [L42] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L42] COND TRUE (- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4)))) [L43] EXPR unsigned_char_Array_0[0] [L43] unsigned_char_Array_0[1] = unsigned_char_Array_0[0] [L45] EXPR float_Array_0[0][1] [L45] float_Array_0[0][0] = float_Array_0[0][1] [L46] EXPR float_Array_0[0][0] [L46] EXPR float_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L46] COND TRUE float_Array_0[0][0] > float_Array_0[0][0] [L47] EXPR unsigned_char_Array_0[1] [L47] EXPR unsigned_char_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L47] EXPR ((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]) [L47] EXPR unsigned_char_Array_0[1] [L47] EXPR ((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L47] signed_short_int_Array_0[1] = ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))) [L51] EXPR unsigned_char_Array_0[1] [L51] EXPR unsigned_char_Array_0[1] [L51] EXPR signed_short_int_Array_0[1] [L51] signed long int stepLocal_0 = unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1]); [L52] EXPR unsigned_char_Array_0[1] [L52] EXPR signed_short_int_Array_0[1] [L52] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L52] COND FALSE !(stepLocal_0 != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) [L85] RET step() [L86] CALL, EXPR property() [L76] EXPR float_Array_0[0][0] [L76] EXPR float_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))))))) [L76] EXPR signed_short_int_Array_0[1] [L76] EXPR unsigned_char_Array_0[1] [L76] EXPR unsigned_char_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]) [L76] EXPR unsigned_char_Array_0[1] [L76] EXPR ((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))))))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1]))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1]))) [L76] EXPR float_Array_0[1][0] [L76] EXPR float_Array_0[0][1] [L76] EXPR float_Array_0[1][1] [L76] EXPR ((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1]))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1)) && (float_Array_0[0][0] == ((float) float_Array_0[0][1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1)) && (float_Array_0[0][0] == ((float) float_Array_0[0][1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76-L77] return (((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1)) && (float_Array_0[0][0] == ((float) float_Array_0[0][1])) ; [L86] RET, EXPR property() [L86] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 695 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 319 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 376 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 534 NumberOfCodeBlocks, 534 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 352 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 560/576 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 12:22:19,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/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_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/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_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/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_a790758d-1cac-451c-a741-220aecb242e5/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 c6953e3e2c891dc327bad9ef4ac79fcd91ec8cfbe2ca26df68844c164258e82e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:22:21,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:22:21,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 12:22:21,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:22:21,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:22:21,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:22:21,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:22:21,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:22:21,600 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:22:21,600 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:22:21,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:22:21,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:22:21,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:22:21,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:22:21,600 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:22:21,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:22:21,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:22:21,601 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:22:21,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:22:21,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:22:21,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:22:21,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:22:21,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:22:21,601 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:22:21,601 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 12:22:21,601 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 12:22:21,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:22:21,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:22:21,602 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:22:21,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:22:21,602 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:22:21,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:22:21,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:22:21,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:22:21,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:22:21,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:22:21,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:22:21,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:22:21,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:22:21,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:22:21,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:22:21,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:22:21,603 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:22:21,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:22:21,603 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 12:22:21,603 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 12:22:21,603 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:22:21,603 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:22:21,603 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:22:21,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:22:21,603 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_a790758d-1cac-451c-a741-220aecb242e5/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 -> c6953e3e2c891dc327bad9ef4ac79fcd91ec8cfbe2ca26df68844c164258e82e [2024-12-02 12:22:21,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:22:21,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:22:21,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:22:21,851 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:22:21,851 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:22:21,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i [2024-12-02 12:22:24,522 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/data/29b488b40/ea0a410268df4834a089686bb810b936/FLAGe2549f119 [2024-12-02 12:22:24,725 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:22:24,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i [2024-12-02 12:22:24,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/data/29b488b40/ea0a410268df4834a089686bb810b936/FLAGe2549f119 [2024-12-02 12:22:24,745 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/data/29b488b40/ea0a410268df4834a089686bb810b936 [2024-12-02 12:22:24,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:22:24,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:22:24,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:22:24,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:22:24,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:22:24,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:22:24" (1/1) ... [2024-12-02 12:22:24,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ddaab18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:24, skipping insertion in model container [2024-12-02 12:22:24,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:22:24" (1/1) ... [2024-12-02 12:22:24,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:22:24,887 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_a790758d-1cac-451c-a741-220aecb242e5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i[916,929] [2024-12-02 12:22:24,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:22:24,948 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:22:24,956 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_a790758d-1cac-451c-a741-220aecb242e5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i[916,929] [2024-12-02 12:22:24,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:22:25,015 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:22:25,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25 WrapperNode [2024-12-02 12:22:25,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:22:25,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:22:25,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:22:25,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:22:25,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25" (1/1) ... [2024-12-02 12:22:25,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25" (1/1) ... [2024-12-02 12:22:25,063 INFO L138 Inliner]: procedures = 36, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 477 [2024-12-02 12:22:25,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:22:25,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:22:25,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:22:25,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:22:25,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25" (1/1) ... [2024-12-02 12:22:25,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25" (1/1) ... [2024-12-02 12:22:25,077 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25" (1/1) ... [2024-12-02 12:22:25,096 INFO L175 MemorySlicer]: Split 129 memory accesses to 6 slices as follows [2, 28, 7, 19, 70, 3]. 54 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 4, 1, 2, 2, 1]. The 11 writes are split as follows [0, 4, 1, 3, 2, 1]. [2024-12-02 12:22:25,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25" (1/1) ... [2024-12-02 12:22:25,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25" (1/1) ... [2024-12-02 12:22:25,121 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25" (1/1) ... [2024-12-02 12:22:25,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25" (1/1) ... [2024-12-02 12:22:25,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25" (1/1) ... [2024-12-02 12:22:25,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25" (1/1) ... [2024-12-02 12:22:25,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25" (1/1) ... [2024-12-02 12:22:25,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:22:25,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:22:25,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:22:25,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:22:25,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25" (1/1) ... [2024-12-02 12:22:25,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:22:25,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:22:25,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:22:25,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:22:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:22:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 12:22:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 12:22:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 12:22:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 12:22:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 12:22:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 12:22:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 12:22:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 12:22:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 12:22:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 12:22:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 12:22:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 12:22:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 12:22:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 12:22:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 12:22:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 12:22:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 12:22:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 12:22:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 12:22:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 12:22:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 12:22:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 12:22:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 12:22:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-12-02 12:22:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 12:22:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 12:22:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 12:22:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 12:22:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 12:22:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 12:22:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 12:22:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 12:22:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 12:22:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 12:22:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 12:22:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 12:22:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 12:22:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 12:22:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 12:22:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:22:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:22:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:22:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:22:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 12:22:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 12:22:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 12:22:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 12:22:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 12:22:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 12:22:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 12:22:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 12:22:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 12:22:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 12:22:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 12:22:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 12:22:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 12:22:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 12:22:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 12:22:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 12:22:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 12:22:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-12-02 12:22:25,354 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:22:25,356 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:22:26,702 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2024-12-02 12:22:26,702 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:22:26,712 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:22:26,712 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:22:26,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:22:26 BoogieIcfgContainer [2024-12-02 12:22:26,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:22:26,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:22:26,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:22:26,717 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:22:26,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:22:24" (1/3) ... [2024-12-02 12:22:26,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8db4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:22:26, skipping insertion in model container [2024-12-02 12:22:26,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:25" (2/3) ... [2024-12-02 12:22:26,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8db4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:22:26, skipping insertion in model container [2024-12-02 12:22:26,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:22:26" (3/3) ... [2024-12-02 12:22:26,719 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-26.i [2024-12-02 12:22:26,737 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:22:26,738 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-26.i that has 2 procedures, 93 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:22:26,784 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:22:26,792 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;@281e66f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:22:26,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:22:26,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 12:22:26,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 12:22:26,805 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:26,806 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:26,806 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:26,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:26,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1509494359, now seen corresponding path program 1 times [2024-12-02 12:22:26,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:22:26,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244630788] [2024-12-02 12:22:26,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:26,822 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 12:22:26,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:22:26,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:26,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:27,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:22:27,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:22:27,250 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-02 12:22:27,250 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:22:27,250 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:22:27,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1244630788] [2024-12-02 12:22:27,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1244630788] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:27,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:22:27,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:22:27,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629433691] [2024-12-02 12:22:27,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:27,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:22:27,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:22:27,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:22:27,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:22:27,277 INFO L87 Difference]: Start difference. First operand has 93 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:27,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:27,300 INFO L93 Difference]: Finished difference Result 179 states and 271 transitions. [2024-12-02 12:22:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:22:27,301 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2024-12-02 12:22:27,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:27,306 INFO L225 Difference]: With dead ends: 179 [2024-12-02 12:22:27,306 INFO L226 Difference]: Without dead ends: 89 [2024-12-02 12:22:27,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 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 12:22:27,310 INFO L435 NwaCegarLoop]: 127 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, 127 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 12:22:27,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:22:27,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-12-02 12:22:27,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-12-02 12:22:27,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 12:22:27,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2024-12-02 12:22:27,348 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 89 [2024-12-02 12:22:27,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:27,348 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2024-12-02 12:22:27,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:27,349 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2024-12-02 12:22:27,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 12:22:27,352 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:27,352 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:27,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:27,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:27,553 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:27,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:27,553 INFO L85 PathProgramCache]: Analyzing trace with hash 359888411, now seen corresponding path program 1 times [2024-12-02 12:22:27,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:22:27,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [771447661] [2024-12-02 12:22:27,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:27,554 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 12:22:27,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:22:27,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:27,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:27,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:22:27,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:22:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:22:27,992 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:22:27,992 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:22:27,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [771447661] [2024-12-02 12:22:27,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [771447661] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:27,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:22:27,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:22:27,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285911501] [2024-12-02 12:22:27,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:27,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:22:27,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:22:27,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:22:27,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:22:27,995 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:28,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:28,073 INFO L93 Difference]: Finished difference Result 180 states and 258 transitions. [2024-12-02 12:22:28,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:22:28,074 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2024-12-02 12:22:28,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:28,075 INFO L225 Difference]: With dead ends: 180 [2024-12-02 12:22:28,075 INFO L226 Difference]: Without dead ends: 94 [2024-12-02 12:22:28,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:22:28,076 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 1 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:22:28,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 475 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:22:28,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-12-02 12:22:28,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 93. [2024-12-02 12:22:28,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 82 states have internal predecessors, (113), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 12:22:28,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 131 transitions. [2024-12-02 12:22:28,085 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 131 transitions. Word has length 89 [2024-12-02 12:22:28,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:28,087 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 131 transitions. [2024-12-02 12:22:28,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:28,087 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 131 transitions. [2024-12-02 12:22:28,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 12:22:28,088 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:28,088 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:28,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:28,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:28,289 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:28,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:28,289 INFO L85 PathProgramCache]: Analyzing trace with hash 361735453, now seen corresponding path program 1 times [2024-12-02 12:22:28,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:22:28,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952723024] [2024-12-02 12:22:28,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:28,290 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 12:22:28,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:22:28,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:28,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:28,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 12:22:28,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:22:28,761 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 95 treesize of output 41 [2024-12-02 12:22:28,816 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:22:28,816 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:22:28,816 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:22:28,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952723024] [2024-12-02 12:22:28,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952723024] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:28,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:22:28,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:22:28,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273819434] [2024-12-02 12:22:28,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:28,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:22:28,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:22:28,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:22:28,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:22:28,818 INFO L87 Difference]: Start difference. First operand 93 states and 131 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:29,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:29,616 INFO L93 Difference]: Finished difference Result 184 states and 260 transitions. [2024-12-02 12:22:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:22:29,616 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2024-12-02 12:22:29,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:29,617 INFO L225 Difference]: With dead ends: 184 [2024-12-02 12:22:29,617 INFO L226 Difference]: Without dead ends: 94 [2024-12-02 12:22:29,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:22:29,618 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 121 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:22:29,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 434 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 12:22:29,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-12-02 12:22:29,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 93. [2024-12-02 12:22:29,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 82 states have internal predecessors, (112), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 12:22:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 130 transitions. [2024-12-02 12:22:29,623 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 130 transitions. Word has length 89 [2024-12-02 12:22:29,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:29,623 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 130 transitions. [2024-12-02 12:22:29,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:29,624 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 130 transitions. [2024-12-02 12:22:29,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 12:22:29,624 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:29,625 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:29,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:29,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:29,825 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:29,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:29,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1492377065, now seen corresponding path program 1 times [2024-12-02 12:22:29,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:22:29,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253928976] [2024-12-02 12:22:29,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:29,826 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 12:22:29,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:22:29,828 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:29,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 12:22:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:30,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:22:30,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:22:30,206 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 21 treesize of output 9 [2024-12-02 12:22:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:22:30,231 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:22:30,231 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:22:30,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253928976] [2024-12-02 12:22:30,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253928976] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:30,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:22:30,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:22:30,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178161274] [2024-12-02 12:22:30,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:30,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:22:30,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:22:30,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:22:30,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:22:30,234 INFO L87 Difference]: Start difference. First operand 93 states and 130 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:30,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:30,584 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2024-12-02 12:22:30,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:22:30,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 91 [2024-12-02 12:22:30,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:30,585 INFO L225 Difference]: With dead ends: 183 [2024-12-02 12:22:30,586 INFO L226 Difference]: Without dead ends: 93 [2024-12-02 12:22:30,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 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 12:22:30,587 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:22:30,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 244 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:22:30,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-12-02 12:22:30,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-12-02 12:22:30,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 12:22:30,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 129 transitions. [2024-12-02 12:22:30,594 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 129 transitions. Word has length 91 [2024-12-02 12:22:30,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:30,595 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 129 transitions. [2024-12-02 12:22:30,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2024-12-02 12:22:30,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 12:22:30,596 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:30,596 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:30,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 12:22:30,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:30,797 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:30,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:30,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1984941781, now seen corresponding path program 1 times [2024-12-02 12:22:30,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:22:30,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360097635] [2024-12-02 12:22:30,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:30,798 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 12:22:30,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:22:30,800 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:30,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:31,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:22:31,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:22:31,239 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 19 [2024-12-02 12:22:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:22:31,261 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:22:31,261 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:22:31,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360097635] [2024-12-02 12:22:31,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1360097635] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:31,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:22:31,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:22:31,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300007524] [2024-12-02 12:22:31,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:31,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:22:31,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:22:31,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:22:31,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:22:31,263 INFO L87 Difference]: Start difference. First operand 93 states and 129 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:31,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:31,525 INFO L93 Difference]: Finished difference Result 181 states and 253 transitions. [2024-12-02 12:22:31,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:22:31,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 91 [2024-12-02 12:22:31,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:31,526 INFO L225 Difference]: With dead ends: 181 [2024-12-02 12:22:31,527 INFO L226 Difference]: Without dead ends: 91 [2024-12-02 12:22:31,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 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 12:22:31,528 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:22:31,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 239 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:22:31,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-12-02 12:22:31,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-12-02 12:22:31,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.35) internal successors, (108), 80 states have internal predecessors, (108), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 12:22:31,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 126 transitions. [2024-12-02 12:22:31,535 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 126 transitions. Word has length 91 [2024-12-02 12:22:31,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:31,535 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 126 transitions. [2024-12-02 12:22:31,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:31,535 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 126 transitions. [2024-12-02 12:22:31,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 12:22:31,536 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:31,537 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:31,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:31,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:31,737 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:31,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:31,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1660065302, now seen corresponding path program 1 times [2024-12-02 12:22:31,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:22:31,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143725938] [2024-12-02 12:22:31,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:31,738 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 12:22:31,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:22:31,739 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:31,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 12:22:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:32,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 12:22:32,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:22:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:22:32,146 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:22:32,146 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:22:32,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143725938] [2024-12-02 12:22:32,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143725938] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:32,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:22:32,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:22:32,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364496472] [2024-12-02 12:22:32,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:32,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:22:32,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:22:32,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:22:32,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:22:32,148 INFO L87 Difference]: Start difference. First operand 91 states and 126 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:32,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:32,765 INFO L93 Difference]: Finished difference Result 179 states and 249 transitions. [2024-12-02 12:22:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:22:32,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-12-02 12:22:32,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:32,767 INFO L225 Difference]: With dead ends: 179 [2024-12-02 12:22:32,767 INFO L226 Difference]: Without dead ends: 91 [2024-12-02 12:22:32,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 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 12:22:32,768 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:22:32,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 198 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 12:22:32,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-12-02 12:22:32,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-12-02 12:22:32,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.3375) internal successors, (107), 80 states have internal predecessors, (107), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 12:22:32,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions. [2024-12-02 12:22:32,774 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 96 [2024-12-02 12:22:32,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:32,775 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 125 transitions. [2024-12-02 12:22:32,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:32,775 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2024-12-02 12:22:32,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 12:22:32,776 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:32,777 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:32,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 12:22:32,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:32,977 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:32,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:32,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1800613912, now seen corresponding path program 1 times [2024-12-02 12:22:32,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:22:32,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468699568] [2024-12-02 12:22:32,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:32,978 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 12:22:32,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:22:32,979 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:32,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:33,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 12:22:33,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:22:33,346 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:22:33,346 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:22:33,346 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:22:33,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468699568] [2024-12-02 12:22:33,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468699568] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:33,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:22:33,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:22:33,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634337851] [2024-12-02 12:22:33,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:33,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:22:33,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:22:33,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:22:33,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:22:33,348 INFO L87 Difference]: Start difference. First operand 91 states and 125 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:33,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:33,737 INFO L93 Difference]: Finished difference Result 179 states and 247 transitions. [2024-12-02 12:22:33,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:22:33,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-12-02 12:22:33,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:33,739 INFO L225 Difference]: With dead ends: 179 [2024-12-02 12:22:33,739 INFO L226 Difference]: Without dead ends: 91 [2024-12-02 12:22:33,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 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 12:22:33,740 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:22:33,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 197 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:22:33,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-12-02 12:22:33,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-12-02 12:22:33,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.325) internal successors, (106), 80 states have internal predecessors, (106), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 12:22:33,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 124 transitions. [2024-12-02 12:22:33,746 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 124 transitions. Word has length 96 [2024-12-02 12:22:33,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:33,746 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 124 transitions. [2024-12-02 12:22:33,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:33,746 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 124 transitions. [2024-12-02 12:22:33,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 12:22:33,747 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:33,747 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:33,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:33,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:33,948 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:33,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:33,948 INFO L85 PathProgramCache]: Analyzing trace with hash -4824422, now seen corresponding path program 1 times [2024-12-02 12:22:33,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:22:33,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480214362] [2024-12-02 12:22:33,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:33,949 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 12:22:33,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:22:33,950 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:33,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:34,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 12:22:34,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:22:34,327 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:22:34,328 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:22:34,328 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:22:34,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480214362] [2024-12-02 12:22:34,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480214362] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:34,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:22:34,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:22:34,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559150012] [2024-12-02 12:22:34,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:34,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:22:34,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:22:34,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:22:34,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:22:34,329 INFO L87 Difference]: Start difference. First operand 91 states and 124 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:34,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:34,707 INFO L93 Difference]: Finished difference Result 179 states and 245 transitions. [2024-12-02 12:22:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:22:34,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-12-02 12:22:34,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:34,709 INFO L225 Difference]: With dead ends: 179 [2024-12-02 12:22:34,709 INFO L226 Difference]: Without dead ends: 91 [2024-12-02 12:22:34,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 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 12:22:34,710 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:22:34,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 195 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:22:34,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-12-02 12:22:34,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-12-02 12:22:34,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.3125) internal successors, (105), 80 states have internal predecessors, (105), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 12:22:34,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 123 transitions. [2024-12-02 12:22:34,715 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 123 transitions. Word has length 96 [2024-12-02 12:22:34,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:34,715 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 123 transitions. [2024-12-02 12:22:34,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:34,715 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 123 transitions. [2024-12-02 12:22:34,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 12:22:34,716 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:34,716 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:34,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:34,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:34,917 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:34,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:34,917 INFO L85 PathProgramCache]: Analyzing trace with hash 417877404, now seen corresponding path program 1 times [2024-12-02 12:22:34,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:22:34,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715904900] [2024-12-02 12:22:34,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:34,917 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 12:22:34,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:22:34,919 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:34,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Waiting until timeout for monitored process [2024-12-02 12:22:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:35,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 12:22:35,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:22:35,519 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 34 treesize of output 30 [2024-12-02 12:22:35,638 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 41 treesize of output 29 [2024-12-02 12:22:35,715 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 69 treesize of output 33 [2024-12-02 12:22:35,889 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:22:35,889 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:22:35,889 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:22:35,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715904900] [2024-12-02 12:22:35,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715904900] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:22:35,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:22:35,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 12:22:35,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350077935] [2024-12-02 12:22:35,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:35,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 12:22:35,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:22:35,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 12:22:35,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:22:35,891 INFO L87 Difference]: Start difference. First operand 91 states and 123 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:38,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:22:38,847 INFO L93 Difference]: Finished difference Result 270 states and 366 transitions. [2024-12-02 12:22:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 12:22:38,848 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-12-02 12:22:38,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:22:38,849 INFO L225 Difference]: With dead ends: 270 [2024-12-02 12:22:38,849 INFO L226 Difference]: Without dead ends: 182 [2024-12-02 12:22:38,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2024-12-02 12:22:38,849 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 111 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:22:38,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1163 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-12-02 12:22:38,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-12-02 12:22:38,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 175. [2024-12-02 12:22:38,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 154 states have (on average 1.3116883116883118) internal successors, (202), 154 states have internal predecessors, (202), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 12:22:38,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 238 transitions. [2024-12-02 12:22:38,862 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 238 transitions. Word has length 96 [2024-12-02 12:22:38,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:22:38,862 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 238 transitions. [2024-12-02 12:22:38,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:22:38,863 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 238 transitions. [2024-12-02 12:22:38,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 12:22:38,863 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:22:38,864 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:38,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Ended with exit code 0 [2024-12-02 12:22:39,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:39,064 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:22:39,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:22:39,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1118941982, now seen corresponding path program 1 times [2024-12-02 12:22:39,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:22:39,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137223764] [2024-12-02 12:22:39,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:22:39,065 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 12:22:39,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:22:39,066 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:39,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:22:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:22:39,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 12:22:39,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:22:40,044 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 34 treesize of output 30 [2024-12-02 12:22:40,147 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 16 treesize of output 8 [2024-12-02 12:22:40,359 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 12 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 12:22:40,359 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:22:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:22:52,955 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:22:52,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137223764] [2024-12-02 12:22:52,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137223764] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:22:52,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:22:52,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [15] total 25 [2024-12-02 12:22:52,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584615294] [2024-12-02 12:22:52,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:22:52,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 12:22:52,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:22:52,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 12:22:52,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2024-12-02 12:22:52,957 INFO L87 Difference]: Start difference. First operand 175 states and 238 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:23:46,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:23:46,505 INFO L93 Difference]: Finished difference Result 457 states and 615 transitions. [2024-12-02 12:23:46,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 12:23:46,510 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-12-02 12:23:46,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:23:46,511 INFO L225 Difference]: With dead ends: 457 [2024-12-02 12:23:46,511 INFO L226 Difference]: Without dead ends: 281 [2024-12-02 12:23:46,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 26.0s TimeCoverageRelationStatistics Valid=143, Invalid=1047, Unknown=0, NotChecked=0, Total=1190 [2024-12-02 12:23:46,512 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 264 mSDsluCounter, 1281 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 1454 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:23:46,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 1454 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 39.1s Time] [2024-12-02 12:23:46,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-12-02 12:23:46,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 264. [2024-12-02 12:23:46,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 229 states have (on average 1.3100436681222707) internal successors, (300), 231 states have internal predecessors, (300), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-12-02 12:23:46,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 358 transitions. [2024-12-02 12:23:46,533 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 358 transitions. Word has length 96 [2024-12-02 12:23:46,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:23:46,533 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 358 transitions. [2024-12-02 12:23:46,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:23:46,533 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 358 transitions. [2024-12-02 12:23:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 12:23:46,534 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:23:46,534 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:46,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:46,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:46,735 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:23:46,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:23:46,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1350245649, now seen corresponding path program 1 times [2024-12-02 12:23:46,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:23:46,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349251687] [2024-12-02 12:23:46,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:23:46,735 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 12:23:46,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:23:46,737 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:46,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Waiting until timeout for monitored process [2024-12-02 12:23:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:23:47,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:23:47,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:23:47,074 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 21 treesize of output 9 [2024-12-02 12:23:47,106 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:23:47,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:23:47,107 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:23:47,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349251687] [2024-12-02 12:23:47,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1349251687] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:23:47,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:23:47,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:23:47,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016882452] [2024-12-02 12:23:47,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:23:47,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:23:47,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:23:47,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:23:47,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:23:47,108 INFO L87 Difference]: Start difference. First operand 264 states and 358 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:23:47,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:23:47,590 INFO L93 Difference]: Finished difference Result 506 states and 688 transitions. [2024-12-02 12:23:47,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:23:47,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-12-02 12:23:47,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:23:47,594 INFO L225 Difference]: With dead ends: 506 [2024-12-02 12:23:47,594 INFO L226 Difference]: Without dead ends: 264 [2024-12-02 12:23:47,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 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 12:23:47,595 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:23:47,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 230 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:23:47,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-12-02 12:23:47,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2024-12-02 12:23:47,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 229 states have (on average 1.3056768558951966) internal successors, (299), 231 states have internal predecessors, (299), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-12-02 12:23:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 357 transitions. [2024-12-02 12:23:47,616 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 357 transitions. Word has length 96 [2024-12-02 12:23:47,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:23:47,616 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 357 transitions. [2024-12-02 12:23:47,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:23:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 357 transitions. [2024-12-02 12:23:47,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 12:23:47,617 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:23:47,618 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:47,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Ended with exit code 0 [2024-12-02 12:23:47,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:47,818 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:23:47,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:23:47,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1772947475, now seen corresponding path program 1 times [2024-12-02 12:23:47,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:23:47,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [633683877] [2024-12-02 12:23:47,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:23:47,819 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 12:23:47,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:23:47,820 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:47,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:23:48,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:23:48,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:23:48,221 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 19 [2024-12-02 12:23:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:23:48,253 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:23:48,253 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:23:48,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [633683877] [2024-12-02 12:23:48,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [633683877] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:23:48,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:23:48,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:23:48,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172994973] [2024-12-02 12:23:48,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:23:48,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:23:48,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:23:48,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:23:48,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:23:48,254 INFO L87 Difference]: Start difference. First operand 264 states and 357 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:23:48,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:23:48,291 INFO L93 Difference]: Finished difference Result 500 states and 678 transitions. [2024-12-02 12:23:48,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:23:48,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-12-02 12:23:48,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:23:48,293 INFO L225 Difference]: With dead ends: 500 [2024-12-02 12:23:48,293 INFO L226 Difference]: Without dead ends: 258 [2024-12-02 12:23:48,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 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 12:23:48,293 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:23:48,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 223 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:23:48,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-12-02 12:23:48,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2024-12-02 12:23:48,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 223 states have (on average 1.295964125560538) internal successors, (289), 225 states have internal predecessors, (289), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-12-02 12:23:48,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 347 transitions. [2024-12-02 12:23:48,318 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 347 transitions. Word has length 96 [2024-12-02 12:23:48,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:23:48,318 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 347 transitions. [2024-12-02 12:23:48,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:23:48,318 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 347 transitions. [2024-12-02 12:23:48,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 12:23:48,319 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:23:48,319 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:48,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:48,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:48,519 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:23:48,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:23:48,520 INFO L85 PathProgramCache]: Analyzing trace with hash -504557523, now seen corresponding path program 1 times [2024-12-02 12:23:48,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:23:48,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057060347] [2024-12-02 12:23:48,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:23:48,520 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 12:23:48,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:23:48,522 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:48,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:23:48,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:23:48,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:23:48,938 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 21 treesize of output 9 [2024-12-02 12:23:48,969 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:23:48,969 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:23:48,969 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:23:48,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057060347] [2024-12-02 12:23:48,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057060347] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:23:48,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:23:48,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:23:48,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730220023] [2024-12-02 12:23:48,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:23:48,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:23:48,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:23:48,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:23:48,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:23:48,971 INFO L87 Difference]: Start difference. First operand 258 states and 347 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:23:49,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:23:49,025 INFO L93 Difference]: Finished difference Result 494 states and 666 transitions. [2024-12-02 12:23:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:23:49,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-12-02 12:23:49,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:23:49,027 INFO L225 Difference]: With dead ends: 494 [2024-12-02 12:23:49,027 INFO L226 Difference]: Without dead ends: 258 [2024-12-02 12:23:49,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 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 12:23:49,028 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:23:49,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:23:49,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-12-02 12:23:49,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2024-12-02 12:23:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 223 states have (on average 1.2825112107623318) internal successors, (286), 225 states have internal predecessors, (286), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-12-02 12:23:49,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 344 transitions. [2024-12-02 12:23:49,051 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 344 transitions. Word has length 101 [2024-12-02 12:23:49,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:23:49,052 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 344 transitions. [2024-12-02 12:23:49,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:23:49,052 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 344 transitions. [2024-12-02 12:23:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 12:23:49,053 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:23:49,053 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:49,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:49,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:49,253 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:23:49,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:23:49,254 INFO L85 PathProgramCache]: Analyzing trace with hash 2101466031, now seen corresponding path program 1 times [2024-12-02 12:23:49,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:23:49,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400235266] [2024-12-02 12:23:49,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:23:49,254 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 12:23:49,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:23:49,255 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:49,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-12-02 12:23:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:23:49,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:23:49,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:23:49,644 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 21 treesize of output 9 [2024-12-02 12:23:49,677 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:23:49,677 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:23:49,677 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:23:49,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400235266] [2024-12-02 12:23:49,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400235266] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:23:49,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:23:49,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:23:49,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66712950] [2024-12-02 12:23:49,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:23:49,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:23:49,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:23:49,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:23:49,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:23:49,679 INFO L87 Difference]: Start difference. First operand 258 states and 344 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:23:49,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:23:49,726 INFO L93 Difference]: Finished difference Result 494 states and 660 transitions. [2024-12-02 12:23:49,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:23:49,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-12-02 12:23:49,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:23:49,728 INFO L225 Difference]: With dead ends: 494 [2024-12-02 12:23:49,728 INFO L226 Difference]: Without dead ends: 258 [2024-12-02 12:23:49,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 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 12:23:49,729 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:23:49,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 218 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:23:49,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-12-02 12:23:49,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2024-12-02 12:23:49,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 223 states have (on average 1.2690582959641257) internal successors, (283), 225 states have internal predecessors, (283), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-12-02 12:23:49,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 341 transitions. [2024-12-02 12:23:49,751 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 341 transitions. Word has length 101 [2024-12-02 12:23:49,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:23:49,752 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 341 transitions. [2024-12-02 12:23:49,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:23:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 341 transitions. [2024-12-02 12:23:49,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 12:23:49,752 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:23:49,753 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:49,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-12-02 12:23:49,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:49,953 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:23:49,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:23:49,953 INFO L85 PathProgramCache]: Analyzing trace with hash 821602353, now seen corresponding path program 1 times [2024-12-02 12:23:49,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:23:49,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115233756] [2024-12-02 12:23:49,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:23:49,954 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 12:23:49,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:23:49,955 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:49,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:23:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:23:50,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 12:23:50,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:23:51,555 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 34 treesize of output 30 [2024-12-02 12:23:51,734 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 16 treesize of output 8 [2024-12-02 12:23:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 12 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 12:23:52,079 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:24:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:24:12,547 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:24:12,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115233756] [2024-12-02 12:24:12,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115233756] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:24:12,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:24:12,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [15] total 30 [2024-12-02 12:24:12,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053051053] [2024-12-02 12:24:12,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:24:12,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 12:24:12,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:24:12,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 12:24:12,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=753, Unknown=0, NotChecked=0, Total=870 [2024-12-02 12:24:12,549 INFO L87 Difference]: Start difference. First operand 258 states and 341 transitions. Second operand has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:24:20,440 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 [] [2024-12-02 12:24:44,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:26:17,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:26:17,629 INFO L93 Difference]: Finished difference Result 546 states and 714 transitions. [2024-12-02 12:26:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-02 12:26:17,642 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-12-02 12:26:17,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:26:17,644 INFO L225 Difference]: With dead ends: 546 [2024-12-02 12:26:17,644 INFO L226 Difference]: Without dead ends: 310 [2024-12-02 12:26:17,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 88.6s TimeCoverageRelationStatistics Valid=348, Invalid=2097, Unknown=5, NotChecked=0, Total=2450 [2024-12-02 12:26:17,646 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 486 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 121 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:26:17,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 799 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 995 Invalid, 1 Unknown, 0 Unchecked, 55.8s Time] [2024-12-02 12:26:17,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-12-02 12:26:17,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 279. [2024-12-02 12:26:17,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 236 states have (on average 1.2542372881355932) internal successors, (296), 238 states have internal predecessors, (296), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 12:26:17,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 368 transitions. [2024-12-02 12:26:17,674 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 368 transitions. Word has length 101 [2024-12-02 12:26:17,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:26:17,675 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 368 transitions. [2024-12-02 12:26:17,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:26:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 368 transitions. [2024-12-02 12:26:17,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 12:26:17,676 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:26:17,676 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:17,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Forceful destruction successful, exit code 0 [2024-12-02 12:26:17,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:17,876 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:26:17,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:26:17,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1522666931, now seen corresponding path program 1 times [2024-12-02 12:26:17,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:26:17,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [469679392] [2024-12-02 12:26:17,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:26:17,877 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 12:26:17,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:26:17,879 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:17,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:26:18,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 12:26:18,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:26:18,464 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 34 treesize of output 30 [2024-12-02 12:26:18,550 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 41 treesize of output 29 [2024-12-02 12:26:18,730 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 47 treesize of output 23 [2024-12-02 12:26:19,122 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:26:19,122 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:26:19,122 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:26:19,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [469679392] [2024-12-02 12:26:19,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [469679392] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:26:19,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:26:19,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 12:26:19,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568671637] [2024-12-02 12:26:19,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:26:19,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 12:26:19,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:26:19,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 12:26:19,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:26:19,124 INFO L87 Difference]: Start difference. First operand 279 states and 368 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:26:24,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:26:24,194 INFO L93 Difference]: Finished difference Result 535 states and 702 transitions. [2024-12-02 12:26:24,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 12:26:24,195 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-12-02 12:26:24,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:26:24,198 INFO L225 Difference]: With dead ends: 535 [2024-12-02 12:26:24,198 INFO L226 Difference]: Without dead ends: 291 [2024-12-02 12:26:24,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2024-12-02 12:26:24,200 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 110 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:26:24,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 854 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 12:26:24,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-12-02 12:26:24,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 277. [2024-12-02 12:26:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 234 states have (on average 1.2521367521367521) internal successors, (293), 236 states have internal predecessors, (293), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 12:26:24,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 365 transitions. [2024-12-02 12:26:24,245 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 365 transitions. Word has length 101 [2024-12-02 12:26:24,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:26:24,245 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 365 transitions. [2024-12-02 12:26:24,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:26:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 365 transitions. [2024-12-02 12:26:24,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 12:26:24,246 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:26:24,246 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:24,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:24,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:24,447 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:26:24,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:26:24,447 INFO L85 PathProgramCache]: Analyzing trace with hash -2065337498, now seen corresponding path program 1 times [2024-12-02 12:26:24,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:26:24,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165927137] [2024-12-02 12:26:24,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:26:24,448 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 12:26:24,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:26:24,450 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:24,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Waiting until timeout for monitored process [2024-12-02 12:26:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:26:24,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:26:24,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:26:24,837 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 21 treesize of output 9 [2024-12-02 12:26:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:26:24,876 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:26:24,876 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:26:24,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165927137] [2024-12-02 12:26:24,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165927137] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:26:24,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:26:24,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:26:24,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902742021] [2024-12-02 12:26:24,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:26:24,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:26:24,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:26:24,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:26:24,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:26:24,877 INFO L87 Difference]: Start difference. First operand 277 states and 365 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:26:24,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:26:24,947 INFO L93 Difference]: Finished difference Result 514 states and 678 transitions. [2024-12-02 12:26:24,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:26:24,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-12-02 12:26:24,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:26:24,949 INFO L225 Difference]: With dead ends: 514 [2024-12-02 12:26:24,949 INFO L226 Difference]: Without dead ends: 277 [2024-12-02 12:26:24,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 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 12:26:24,950 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:26:24,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:26:24,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-12-02 12:26:24,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-12-02 12:26:24,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 234 states have (on average 1.2393162393162394) internal successors, (290), 236 states have internal predecessors, (290), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 12:26:24,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 362 transitions. [2024-12-02 12:26:24,974 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 362 transitions. Word has length 101 [2024-12-02 12:26:24,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:26:24,974 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 362 transitions. [2024-12-02 12:26:24,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:26:24,974 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 362 transitions. [2024-12-02 12:26:24,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 12:26:24,975 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:26:24,975 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:24,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Ended with exit code 0 [2024-12-02 12:26:25,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:25,175 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:26:25,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:26:25,176 INFO L85 PathProgramCache]: Analyzing trace with hash 949766120, now seen corresponding path program 1 times [2024-12-02 12:26:25,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:26:25,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78760963] [2024-12-02 12:26:25,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:26:25,176 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 12:26:25,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:26:25,178 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:25,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:26:25,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 12:26:25,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:26:26,095 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 34 treesize of output 30 [2024-12-02 12:26:26,265 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 41 treesize of output 29 [2024-12-02 12:26:26,874 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:26:26,875 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:26:26,875 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:26:26,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78760963] [2024-12-02 12:26:26,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [78760963] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:26:26,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:26:26,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 12:26:26,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223418577] [2024-12-02 12:26:26,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:26:26,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 12:26:26,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:26:26,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 12:26:26,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:26:26,876 INFO L87 Difference]: Start difference. First operand 277 states and 362 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:26:31,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:26:31,512 INFO L93 Difference]: Finished difference Result 456 states and 591 transitions. [2024-12-02 12:26:31,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 12:26:31,517 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-12-02 12:26:31,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:26:31,519 INFO L225 Difference]: With dead ends: 456 [2024-12-02 12:26:31,519 INFO L226 Difference]: Without dead ends: 213 [2024-12-02 12:26:31,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2024-12-02 12:26:31,520 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 94 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:26:31,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1081 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-12-02 12:26:31,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-12-02 12:26:31,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 208. [2024-12-02 12:26:31,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 175 states have (on average 1.2228571428571429) internal successors, (214), 176 states have internal predecessors, (214), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 12:26:31,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 268 transitions. [2024-12-02 12:26:31,538 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 268 transitions. Word has length 101 [2024-12-02 12:26:31,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:26:31,538 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 268 transitions. [2024-12-02 12:26:31,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:26:31,538 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 268 transitions. [2024-12-02 12:26:31,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 12:26:31,539 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:26:31,539 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:31,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:31,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:31,740 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:26:31,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:26:31,740 INFO L85 PathProgramCache]: Analyzing trace with hash -349642726, now seen corresponding path program 1 times [2024-12-02 12:26:31,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:26:31,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558732037] [2024-12-02 12:26:31,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:26:31,741 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 12:26:31,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:26:31,743 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:31,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:26:32,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 12:26:32,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:26:32,806 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 25 treesize of output 21 [2024-12-02 12:26:33,030 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 12:26:33,839 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:26:33,839 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:26:33,839 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:26:33,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558732037] [2024-12-02 12:26:33,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [558732037] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:26:33,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:26:33,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 12:26:33,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159024767] [2024-12-02 12:26:33,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:26:33,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 12:26:33,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:26:33,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 12:26:33,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:26:33,841 INFO L87 Difference]: Start difference. First operand 208 states and 268 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:26:38,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:26:38,444 INFO L93 Difference]: Finished difference Result 388 states and 497 transitions. [2024-12-02 12:26:38,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 12:26:38,445 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-12-02 12:26:38,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:26:38,446 INFO L225 Difference]: With dead ends: 388 [2024-12-02 12:26:38,446 INFO L226 Difference]: Without dead ends: 220 [2024-12-02 12:26:38,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2024-12-02 12:26:38,447 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 95 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:26:38,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 917 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-12-02 12:26:38,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-12-02 12:26:38,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 215. [2024-12-02 12:26:38,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 182 states have (on average 1.2142857142857142) internal successors, (221), 182 states have internal predecessors, (221), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 12:26:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 275 transitions. [2024-12-02 12:26:38,466 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 275 transitions. Word has length 101 [2024-12-02 12:26:38,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:26:38,466 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 275 transitions. [2024-12-02 12:26:38,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:26:38,467 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 275 transitions. [2024-12-02 12:26:38,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 12:26:38,467 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:26:38,467 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:38,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:38,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:38,668 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:26:38,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:26:38,668 INFO L85 PathProgramCache]: Analyzing trace with hash -221478959, now seen corresponding path program 1 times [2024-12-02 12:26:38,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:26:38,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132956156] [2024-12-02 12:26:38,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:26:38,668 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 12:26:38,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:26:38,670 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 12:26:38,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a790758d-1cac-451c-a741-220aecb242e5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process