./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.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_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/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_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/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_75911494-2d17-45f2-8c9a-4c03d09ddb39/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 24eb6d8aed88d8ad0c0a7297311d178ed920bbbfb0b7ffdf6d456efc32725bc4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:36:05,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:36:05,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:36:05,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:36:05,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:36:05,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:36:05,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:36:05,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:36:05,347 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:36:05,347 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:36:05,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:36:05,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:36:05,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:36:05,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:36:05,348 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:36:05,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:36:05,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:36:05,349 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:36:05,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:36:05,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:36:05,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:36:05,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:36:05,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:36:05,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:36:05,349 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:36:05,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:36:05,350 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:36:05,350 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:36:05,350 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:36:05,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:36:05,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:36:05,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:36:05,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:36:05,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:36:05,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:36:05,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:36:05,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:36:05,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:36:05,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:36:05,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:36:05,351 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:36:05,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:36:05,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:36:05,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:36:05,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:36:05,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:36:05,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:36:05,354 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:36:05,354 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_75911494-2d17-45f2-8c9a-4c03d09ddb39/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 -> 24eb6d8aed88d8ad0c0a7297311d178ed920bbbfb0b7ffdf6d456efc32725bc4 [2024-12-02 13:36:05,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:36:05,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:36:05,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:36:05,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:36:05,607 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:36:05,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i [2024-12-02 13:36:08,315 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/data/4c3fc53ec/5acf770f4b1c4c6e86859fa17e67398b/FLAG63c5d65d5 [2024-12-02 13:36:08,523 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:36:08,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i [2024-12-02 13:36:08,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/data/4c3fc53ec/5acf770f4b1c4c6e86859fa17e67398b/FLAG63c5d65d5 [2024-12-02 13:36:08,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/data/4c3fc53ec/5acf770f4b1c4c6e86859fa17e67398b [2024-12-02 13:36:08,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:36:08,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:36:08,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:36:08,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:36:08,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:36:08,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46904d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08, skipping insertion in model container [2024-12-02 13:36:08,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:36:08,706 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_75911494-2d17-45f2-8c9a-4c03d09ddb39/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i[916,929] [2024-12-02 13:36:08,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:36:08,763 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:36:08,774 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_75911494-2d17-45f2-8c9a-4c03d09ddb39/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i[916,929] [2024-12-02 13:36:08,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:36:08,812 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:36:08,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08 WrapperNode [2024-12-02 13:36:08,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:36:08,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:36:08,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:36:08,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:36:08,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,867 INFO L138 Inliner]: procedures = 29, calls = 147, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 497 [2024-12-02 13:36:08,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:36:08,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:36:08,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:36:08,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:36:08,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,882 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,906 INFO L175 MemorySlicer]: Split 115 memory accesses to 13 slices as follows [2, 5, 6, 23, 8, 3, 12, 14, 12, 12, 6, 3, 9]. 20 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 15 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1]. [2024-12-02 13:36:08,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,924 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:36:08,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:36:08,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:36:08,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:36:08,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08" (1/1) ... [2024-12-02 13:36:08,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:36:08,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:36:08,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:36:08,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:36:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:36:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 13:36:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 13:36:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 13:36:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 13:36:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 13:36:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 13:36:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-12-02 13:36:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-12-02 13:36:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-12-02 13:36:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-12-02 13:36:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-12-02 13:36:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-12-02 13:36:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-12-02 13:36:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:36:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:36:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:36:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:36:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 13:36:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 13:36:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 13:36:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 13:36:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 13:36:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 13:36:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 13:36:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 13:36:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 13:36:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 13:36:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 13:36:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 13:36:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 13:36:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 13:36:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 13:36:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-12-02 13:36:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-12-02 13:36:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-12-02 13:36:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-12-02 13:36:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-12-02 13:36:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-12-02 13:36:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-12-02 13:36:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:36:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:36:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:36:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:36:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-12-02 13:36:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-12-02 13:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-12-02 13:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-12-02 13:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-12-02 13:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-12-02 13:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-12-02 13:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:36:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 13:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 13:36:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 13:36:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 13:36:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 13:36:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 13:36:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 13:36:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 13:36:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:36:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:36:09,204 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:36:09,205 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:36:09,724 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-12-02 13:36:09,724 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:36:09,736 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:36:09,737 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:36:09,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:36:09 BoogieIcfgContainer [2024-12-02 13:36:09,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:36:09,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:36:09,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:36:09,744 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:36:09,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:36:08" (1/3) ... [2024-12-02 13:36:09,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736e59f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:36:09, skipping insertion in model container [2024-12-02 13:36:09,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:08" (2/3) ... [2024-12-02 13:36:09,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736e59f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:36:09, skipping insertion in model container [2024-12-02 13:36:09,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:36:09" (3/3) ... [2024-12-02 13:36:09,747 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-33.i [2024-12-02 13:36:09,761 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:36:09,763 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-33.i that has 2 procedures, 107 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:36:09,821 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:36:09,834 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;@3d859748, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:36:09,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:36:09,839 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 96 states have internal predecessors, (140), 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 13:36:09,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 13:36:09,851 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:09,852 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] [2024-12-02 13:36:09,852 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:09,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:09,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1099803334, now seen corresponding path program 1 times [2024-12-02 13:36:09,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:09,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273352194] [2024-12-02 13:36:09,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:09,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:10,145 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 13:36:10,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:10,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273352194] [2024-12-02 13:36:10,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273352194] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:10,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407793290] [2024-12-02 13:36:10,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:10,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:36:10,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:36:10,151 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:36:10,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:36:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:10,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:36:10,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:10,443 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 13:36:10,444 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:10,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407793290] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:10,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:10,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:36:10,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406690359] [2024-12-02 13:36:10,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:10,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:36:10,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:10,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:36:10,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:36:10,467 INFO L87 Difference]: Start difference. First operand has 107 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 96 states have internal predecessors, (140), 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 29.0) internal successors, (58), 2 states have internal predecessors, (58), 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 13:36:10,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:10,492 INFO L93 Difference]: Finished difference Result 207 states and 319 transitions. [2024-12-02 13:36:10,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:36:10,493 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 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 98 [2024-12-02 13:36:10,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:10,500 INFO L225 Difference]: With dead ends: 207 [2024-12-02 13:36:10,500 INFO L226 Difference]: Without dead ends: 103 [2024-12-02 13:36:10,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 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 13:36:10,506 INFO L435 NwaCegarLoop]: 151 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, 151 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 13:36:10,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:36:10,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-12-02 13:36:10,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-12-02 13:36:10,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 92 states have (on average 1.4456521739130435) internal successors, (133), 92 states have internal predecessors, (133), 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 13:36:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 151 transitions. [2024-12-02 13:36:10,542 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 151 transitions. Word has length 98 [2024-12-02 13:36:10,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:10,542 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 151 transitions. [2024-12-02 13:36:10,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 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 13:36:10,542 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2024-12-02 13:36:10,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 13:36:10,545 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:10,546 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] [2024-12-02 13:36:10,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:36:10,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:36:10,746 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:10,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:10,747 INFO L85 PathProgramCache]: Analyzing trace with hash -990224056, now seen corresponding path program 1 times [2024-12-02 13:36:10,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:10,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639228942] [2024-12-02 13:36:10,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:10,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:10,993 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 13:36:10,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:10,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639228942] [2024-12-02 13:36:10,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639228942] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:10,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:10,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:36:10,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13662020] [2024-12-02 13:36:10,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:10,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:36:10,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:10,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:36:10,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:36:10,996 INFO L87 Difference]: Start difference. First operand 103 states and 151 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 13:36:11,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:11,038 INFO L93 Difference]: Finished difference Result 205 states and 302 transitions. [2024-12-02 13:36:11,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:36:11,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-12-02 13:36:11,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:11,040 INFO L225 Difference]: With dead ends: 205 [2024-12-02 13:36:11,040 INFO L226 Difference]: Without dead ends: 105 [2024-12-02 13:36:11,041 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 13:36:11,042 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:11,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 436 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:36:11,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-12-02 13:36:11,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-12-02 13:36:11,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 94 states have (on average 1.4361702127659575) internal successors, (135), 94 states have internal predecessors, (135), 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 13:36:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 153 transitions. [2024-12-02 13:36:11,053 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 153 transitions. Word has length 98 [2024-12-02 13:36:11,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:11,055 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 153 transitions. [2024-12-02 13:36:11,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 13:36:11,055 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 153 transitions. [2024-12-02 13:36:11,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 13:36:11,057 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:11,057 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] [2024-12-02 13:36:11,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:36:11,057 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:11,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:11,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1038362054, now seen corresponding path program 1 times [2024-12-02 13:36:11,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:11,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768947048] [2024-12-02 13:36:11,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:11,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:11,256 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 13:36:11,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:11,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768947048] [2024-12-02 13:36:11,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768947048] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:11,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:11,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:36:11,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123748208] [2024-12-02 13:36:11,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:11,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:36:11,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:11,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:36:11,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:36:11,258 INFO L87 Difference]: Start difference. First operand 105 states and 153 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 13:36:11,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:11,316 INFO L93 Difference]: Finished difference Result 210 states and 307 transitions. [2024-12-02 13:36:11,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:36:11,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 98 [2024-12-02 13:36:11,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:11,318 INFO L225 Difference]: With dead ends: 210 [2024-12-02 13:36:11,318 INFO L226 Difference]: Without dead ends: 108 [2024-12-02 13:36:11,319 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 13:36:11,320 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:11,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 433 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:36:11,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-12-02 13:36:11,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-12-02 13:36:11,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 96 states have internal predecessors, (137), 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 13:36:11,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2024-12-02 13:36:11,329 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 98 [2024-12-02 13:36:11,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:11,330 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2024-12-02 13:36:11,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 13:36:11,330 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2024-12-02 13:36:11,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 13:36:11,332 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:11,332 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] [2024-12-02 13:36:11,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:36:11,332 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:11,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:11,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1481597880, now seen corresponding path program 1 times [2024-12-02 13:36:11,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:11,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978530655] [2024-12-02 13:36:11,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:11,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:11,493 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 13:36:11,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:11,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978530655] [2024-12-02 13:36:11,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978530655] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:11,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:11,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:36:11,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278099331] [2024-12-02 13:36:11,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:11,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:36:11,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:11,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:36:11,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:36:11,495 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 13:36:11,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:11,526 INFO L93 Difference]: Finished difference Result 214 states and 311 transitions. [2024-12-02 13:36:11,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:36:11,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 98 [2024-12-02 13:36:11,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:11,527 INFO L225 Difference]: With dead ends: 214 [2024-12-02 13:36:11,528 INFO L226 Difference]: Without dead ends: 110 [2024-12-02 13:36:11,528 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 13:36:11,529 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:11,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 436 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:36:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-12-02 13:36:11,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2024-12-02 13:36:11,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 98 states have (on average 1.4183673469387754) internal successors, (139), 98 states have internal predecessors, (139), 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 13:36:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2024-12-02 13:36:11,538 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 98 [2024-12-02 13:36:11,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:11,539 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2024-12-02 13:36:11,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 13:36:11,539 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2024-12-02 13:36:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 13:36:11,540 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:11,541 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] [2024-12-02 13:36:11,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:36:11,541 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:11,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:11,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1479750838, now seen corresponding path program 1 times [2024-12-02 13:36:11,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:11,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735423785] [2024-12-02 13:36:11,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:11,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:36:12,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:12,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735423785] [2024-12-02 13:36:12,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735423785] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:12,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453582197] [2024-12-02 13:36:12,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:12,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:36:12,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:36:12,231 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:36:12,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:36:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:12,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 13:36:12,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:12,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:36:12,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:36:13,170 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 15 treesize of output 7 [2024-12-02 13:36:13,196 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 13:36:13,196 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:13,495 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 28 [2024-12-02 13:36:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:36:13,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453582197] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:36:13,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:36:13,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2024-12-02 13:36:13,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483786781] [2024-12-02 13:36:13,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:36:13,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 13:36:13,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:13,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 13:36:13,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2024-12-02 13:36:13,600 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 22 states, 19 states have (on average 6.0) internal successors, (114), 21 states have internal predecessors, (114), 6 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (27), 3 states have call predecessors, (27), 6 states have call successors, (27) [2024-12-02 13:36:14,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:14,227 INFO L93 Difference]: Finished difference Result 330 states and 473 transitions. [2024-12-02 13:36:14,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 13:36:14,228 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 6.0) internal successors, (114), 21 states have internal predecessors, (114), 6 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (27), 3 states have call predecessors, (27), 6 states have call successors, (27) Word has length 98 [2024-12-02 13:36:14,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:14,229 INFO L225 Difference]: With dead ends: 330 [2024-12-02 13:36:14,229 INFO L226 Difference]: Without dead ends: 224 [2024-12-02 13:36:14,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=250, Invalid=872, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 13:36:14,231 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 521 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:14,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 1727 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:36:14,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-12-02 13:36:14,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 156. [2024-12-02 13:36:14,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 134 states have (on average 1.373134328358209) internal successors, (184), 134 states have internal predecessors, (184), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 13:36:14,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 220 transitions. [2024-12-02 13:36:14,248 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 220 transitions. Word has length 98 [2024-12-02 13:36:14,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:14,248 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 220 transitions. [2024-12-02 13:36:14,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 6.0) internal successors, (114), 21 states have internal predecessors, (114), 6 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (27), 3 states have call predecessors, (27), 6 states have call successors, (27) [2024-12-02 13:36:14,249 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 220 transitions. [2024-12-02 13:36:14,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 13:36:14,250 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:14,250 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] [2024-12-02 13:36:14,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:36:14,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:36:14,451 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:14,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:14,451 INFO L85 PathProgramCache]: Analyzing trace with hash -93547444, now seen corresponding path program 1 times [2024-12-02 13:36:14,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:14,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450263946] [2024-12-02 13:36:14,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:14,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:15,760 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 13:36:15,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:15,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450263946] [2024-12-02 13:36:15,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450263946] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:15,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:15,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:36:15,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970503708] [2024-12-02 13:36:15,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:15,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:36:15,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:15,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:36:15,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:36:15,761 INFO L87 Difference]: Start difference. First operand 156 states and 220 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 13:36:16,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:16,019 INFO L93 Difference]: Finished difference Result 476 states and 685 transitions. [2024-12-02 13:36:16,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:36:16,020 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 98 [2024-12-02 13:36:16,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:16,022 INFO L225 Difference]: With dead ends: 476 [2024-12-02 13:36:16,022 INFO L226 Difference]: Without dead ends: 370 [2024-12-02 13:36:16,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:36:16,024 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 250 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:16,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 993 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:36:16,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-12-02 13:36:16,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 279. [2024-12-02 13:36:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 247 states have (on average 1.408906882591093) internal successors, (348), 247 states have internal predecessors, (348), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 402 transitions. [2024-12-02 13:36:16,045 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 402 transitions. Word has length 98 [2024-12-02 13:36:16,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:16,046 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 402 transitions. [2024-12-02 13:36:16,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 13:36:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 402 transitions. [2024-12-02 13:36:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 13:36:16,047 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:16,047 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] [2024-12-02 13:36:16,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:36:16,048 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:16,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:16,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1186316234, now seen corresponding path program 1 times [2024-12-02 13:36:16,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:16,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904031638] [2024-12-02 13:36:16,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:16,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:16,307 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 13:36:16,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:16,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904031638] [2024-12-02 13:36:16,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904031638] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:16,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:16,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:36:16,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609078975] [2024-12-02 13:36:16,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:16,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:36:16,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:16,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:36:16,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:36:16,309 INFO L87 Difference]: Start difference. First operand 279 states and 402 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (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 13:36:16,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:16,473 INFO L93 Difference]: Finished difference Result 516 states and 749 transitions. [2024-12-02 13:36:16,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:36:16,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (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 98 [2024-12-02 13:36:16,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:16,477 INFO L225 Difference]: With dead ends: 516 [2024-12-02 13:36:16,477 INFO L226 Difference]: Without dead ends: 287 [2024-12-02 13:36:16,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:36:16,479 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 141 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:16,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 662 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:36:16,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-12-02 13:36:16,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 285. [2024-12-02 13:36:16,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 253 states have (on average 1.3992094861660078) internal successors, (354), 253 states have internal predecessors, (354), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:16,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 408 transitions. [2024-12-02 13:36:16,500 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 408 transitions. Word has length 98 [2024-12-02 13:36:16,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:16,500 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 408 transitions. [2024-12-02 13:36:16,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (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 13:36:16,500 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 408 transitions. [2024-12-02 13:36:16,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 13:36:16,501 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:16,501 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] [2024-12-02 13:36:16,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:36:16,502 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:16,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:16,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1711890890, now seen corresponding path program 1 times [2024-12-02 13:36:16,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:16,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303916079] [2024-12-02 13:36:16,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:16,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:16,731 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 13:36:16,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:16,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303916079] [2024-12-02 13:36:16,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303916079] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:16,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:16,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:36:16,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272698945] [2024-12-02 13:36:16,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:16,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:16,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:16,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:16,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:36:16,732 INFO L87 Difference]: Start difference. First operand 285 states and 408 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 13:36:16,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:16,893 INFO L93 Difference]: Finished difference Result 526 states and 758 transitions. [2024-12-02 13:36:16,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:36:16,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 98 [2024-12-02 13:36:16,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:16,895 INFO L225 Difference]: With dead ends: 526 [2024-12-02 13:36:16,895 INFO L226 Difference]: Without dead ends: 291 [2024-12-02 13:36:16,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:36:16,896 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 144 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:16,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 528 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:36:16,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-12-02 13:36:16,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 289. [2024-12-02 13:36:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 257 states have (on average 1.3929961089494163) internal successors, (358), 257 states have internal predecessors, (358), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 412 transitions. [2024-12-02 13:36:16,918 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 412 transitions. Word has length 98 [2024-12-02 13:36:16,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:16,918 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 412 transitions. [2024-12-02 13:36:16,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 13:36:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 412 transitions. [2024-12-02 13:36:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 13:36:16,920 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:16,920 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] [2024-12-02 13:36:16,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 13:36:16,920 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:16,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:16,921 INFO L85 PathProgramCache]: Analyzing trace with hash 981494475, now seen corresponding path program 1 times [2024-12-02 13:36:16,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:16,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675852302] [2024-12-02 13:36:16,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:16,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:17,020 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 13:36:17,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:17,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675852302] [2024-12-02 13:36:17,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675852302] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:17,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:17,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:36:17,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244564040] [2024-12-02 13:36:17,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:17,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:17,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:17,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:17,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:36:17,022 INFO L87 Difference]: Start difference. First operand 289 states and 412 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 13:36:17,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:17,171 INFO L93 Difference]: Finished difference Result 722 states and 1034 transitions. [2024-12-02 13:36:17,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:36:17,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 99 [2024-12-02 13:36:17,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:17,175 INFO L225 Difference]: With dead ends: 722 [2024-12-02 13:36:17,175 INFO L226 Difference]: Without dead ends: 483 [2024-12-02 13:36:17,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:36:17,176 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 126 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:17,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 809 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:36:17,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-12-02 13:36:17,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 317. [2024-12-02 13:36:17,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 285 states have (on average 1.3964912280701753) internal successors, (398), 285 states have internal predecessors, (398), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:17,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 452 transitions. [2024-12-02 13:36:17,201 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 452 transitions. Word has length 99 [2024-12-02 13:36:17,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:17,201 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 452 transitions. [2024-12-02 13:36:17,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 13:36:17,202 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 452 transitions. [2024-12-02 13:36:17,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 13:36:17,203 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:17,203 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] [2024-12-02 13:36:17,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 13:36:17,203 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:17,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:17,203 INFO L85 PathProgramCache]: Analyzing trace with hash -2102007732, now seen corresponding path program 1 times [2024-12-02 13:36:17,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:17,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86962435] [2024-12-02 13:36:17,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:17,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:17,300 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 13:36:17,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:17,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86962435] [2024-12-02 13:36:17,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86962435] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:17,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:17,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:36:17,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520233795] [2024-12-02 13:36:17,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:17,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:17,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:17,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:17,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:36:17,302 INFO L87 Difference]: Start difference. First operand 317 states and 452 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 13:36:17,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:17,440 INFO L93 Difference]: Finished difference Result 750 states and 1072 transitions. [2024-12-02 13:36:17,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:36:17,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 99 [2024-12-02 13:36:17,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:17,444 INFO L225 Difference]: With dead ends: 750 [2024-12-02 13:36:17,444 INFO L226 Difference]: Without dead ends: 483 [2024-12-02 13:36:17,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:36:17,445 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 142 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:17,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 676 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:36:17,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-12-02 13:36:17,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 317. [2024-12-02 13:36:17,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 285 states have (on average 1.3859649122807018) internal successors, (395), 285 states have internal predecessors, (395), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:17,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 449 transitions. [2024-12-02 13:36:17,471 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 449 transitions. Word has length 99 [2024-12-02 13:36:17,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:17,471 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 449 transitions. [2024-12-02 13:36:17,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 13:36:17,472 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 449 transitions. [2024-12-02 13:36:17,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 13:36:17,473 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:17,473 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] [2024-12-02 13:36:17,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 13:36:17,473 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:17,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:17,474 INFO L85 PathProgramCache]: Analyzing trace with hash 291706119, now seen corresponding path program 1 times [2024-12-02 13:36:17,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:17,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23578974] [2024-12-02 13:36:17,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:17,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:17,613 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 13:36:17,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:17,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23578974] [2024-12-02 13:36:17,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23578974] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:17,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:17,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:36:17,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016553287] [2024-12-02 13:36:17,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:17,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:17,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:17,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:17,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:36:17,615 INFO L87 Difference]: Start difference. First operand 317 states and 449 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (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 13:36:17,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:17,680 INFO L93 Difference]: Finished difference Result 666 states and 949 transitions. [2024-12-02 13:36:17,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:36:17,682 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (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 100 [2024-12-02 13:36:17,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:17,684 INFO L225 Difference]: With dead ends: 666 [2024-12-02 13:36:17,684 INFO L226 Difference]: Without dead ends: 399 [2024-12-02 13:36:17,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:36:17,685 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 75 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:17,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 569 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:36:17,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-12-02 13:36:17,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 365. [2024-12-02 13:36:17,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 333 states have (on average 1.3933933933933933) internal successors, (464), 333 states have internal predecessors, (464), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:17,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 518 transitions. [2024-12-02 13:36:17,710 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 518 transitions. Word has length 100 [2024-12-02 13:36:17,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:17,711 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 518 transitions. [2024-12-02 13:36:17,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (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 13:36:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 518 transitions. [2024-12-02 13:36:17,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 13:36:17,712 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:17,712 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] [2024-12-02 13:36:17,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 13:36:17,712 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:17,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:17,713 INFO L85 PathProgramCache]: Analyzing trace with hash -719411131, now seen corresponding path program 1 times [2024-12-02 13:36:17,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:17,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8164940] [2024-12-02 13:36:17,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:17,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:36:17,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:17,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8164940] [2024-12-02 13:36:17,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8164940] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:17,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863085483] [2024-12-02 13:36:17,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:17,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:36:17,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:36:17,879 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:36:17,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:36:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:18,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:36:18,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:18,142 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 13:36:18,142 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:18,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863085483] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:18,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:18,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 13:36:18,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502028100] [2024-12-02 13:36:18,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:18,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:18,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:18,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:18,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:36:18,144 INFO L87 Difference]: Start difference. First operand 365 states and 518 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (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 13:36:18,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:18,189 INFO L93 Difference]: Finished difference Result 685 states and 977 transitions. [2024-12-02 13:36:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:36:18,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (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 100 [2024-12-02 13:36:18,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:18,192 INFO L225 Difference]: With dead ends: 685 [2024-12-02 13:36:18,192 INFO L226 Difference]: Without dead ends: 370 [2024-12-02 13:36:18,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:36:18,193 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:18,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:36:18,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-12-02 13:36:18,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2024-12-02 13:36:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 338 states have (on average 1.3875739644970415) internal successors, (469), 338 states have internal predecessors, (469), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:18,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 523 transitions. [2024-12-02 13:36:18,217 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 523 transitions. Word has length 100 [2024-12-02 13:36:18,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:18,217 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 523 transitions. [2024-12-02 13:36:18,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (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 13:36:18,217 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 523 transitions. [2024-12-02 13:36:18,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 13:36:18,218 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:18,218 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] [2024-12-02 13:36:18,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 13:36:18,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-02 13:36:18,419 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:18,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:18,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1285245815, now seen corresponding path program 1 times [2024-12-02 13:36:18,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:18,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716979844] [2024-12-02 13:36:18,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:18,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:18,843 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 13:36:18,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:18,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716979844] [2024-12-02 13:36:18,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716979844] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:18,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:18,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 13:36:18,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609237243] [2024-12-02 13:36:18,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:18,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:36:18,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:18,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:36:18,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:36:18,845 INFO L87 Difference]: Start difference. First operand 370 states and 523 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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 13:36:19,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:19,759 INFO L93 Difference]: Finished difference Result 1157 states and 1643 transitions. [2024-12-02 13:36:19,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 13:36:19,760 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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 100 [2024-12-02 13:36:19,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:19,763 INFO L225 Difference]: With dead ends: 1157 [2024-12-02 13:36:19,764 INFO L226 Difference]: Without dead ends: 837 [2024-12-02 13:36:19,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2024-12-02 13:36:19,765 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 378 mSDsluCounter, 2492 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 2777 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:19,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 2777 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:36:19,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-12-02 13:36:19,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 415. [2024-12-02 13:36:19,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 383 states have (on average 1.412532637075718) internal successors, (541), 383 states have internal predecessors, (541), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:19,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 595 transitions. [2024-12-02 13:36:19,797 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 595 transitions. Word has length 100 [2024-12-02 13:36:19,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:19,798 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 595 transitions. [2024-12-02 13:36:19,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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 13:36:19,798 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 595 transitions. [2024-12-02 13:36:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 13:36:19,799 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:19,799 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] [2024-12-02 13:36:19,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 13:36:19,799 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:19,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:19,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1863871309, now seen corresponding path program 1 times [2024-12-02 13:36:19,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:19,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271406487] [2024-12-02 13:36:19,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:19,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:20,176 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 13:36:20,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:20,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271406487] [2024-12-02 13:36:20,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271406487] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:20,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:20,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 13:36:20,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170719953] [2024-12-02 13:36:20,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:20,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:36:20,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:20,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:36:20,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:36:20,178 INFO L87 Difference]: Start difference. First operand 415 states and 595 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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 13:36:20,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:20,922 INFO L93 Difference]: Finished difference Result 1231 states and 1768 transitions. [2024-12-02 13:36:20,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 13:36:20,923 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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 100 [2024-12-02 13:36:20,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:20,927 INFO L225 Difference]: With dead ends: 1231 [2024-12-02 13:36:20,927 INFO L226 Difference]: Without dead ends: 866 [2024-12-02 13:36:20,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:36:20,929 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 470 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 1906 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:20,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 1906 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:36:20,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2024-12-02 13:36:20,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 463. [2024-12-02 13:36:20,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 431 states have (on average 1.4222737819025522) internal successors, (613), 431 states have internal predecessors, (613), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:20,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 667 transitions. [2024-12-02 13:36:20,965 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 667 transitions. Word has length 100 [2024-12-02 13:36:20,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:20,965 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 667 transitions. [2024-12-02 13:36:20,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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 13:36:20,965 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 667 transitions. [2024-12-02 13:36:20,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 13:36:20,966 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:20,967 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] [2024-12-02 13:36:20,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 13:36:20,967 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:20,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:20,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1151232309, now seen corresponding path program 1 times [2024-12-02 13:36:20,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:20,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50075851] [2024-12-02 13:36:20,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:20,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:21,158 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 13:36:21,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:21,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50075851] [2024-12-02 13:36:21,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50075851] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:21,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:21,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:36:21,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910131287] [2024-12-02 13:36:21,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:21,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:21,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:21,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:21,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:36:21,159 INFO L87 Difference]: Start difference. First operand 463 states and 667 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (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 13:36:21,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:21,237 INFO L93 Difference]: Finished difference Result 1132 states and 1631 transitions. [2024-12-02 13:36:21,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:36:21,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (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 100 [2024-12-02 13:36:21,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:21,240 INFO L225 Difference]: With dead ends: 1132 [2024-12-02 13:36:21,241 INFO L226 Difference]: Without dead ends: 719 [2024-12-02 13:36:21,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:36:21,242 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 139 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:21,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 997 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:36:21,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-12-02 13:36:21,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 501. [2024-12-02 13:36:21,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 469 states have (on average 1.4264392324093818) internal successors, (669), 469 states have internal predecessors, (669), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:21,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 723 transitions. [2024-12-02 13:36:21,275 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 723 transitions. Word has length 100 [2024-12-02 13:36:21,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:21,275 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 723 transitions. [2024-12-02 13:36:21,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (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 13:36:21,275 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 723 transitions. [2024-12-02 13:36:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 13:36:21,276 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:21,277 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 13:36:21,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 13:36:21,277 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:21,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:21,277 INFO L85 PathProgramCache]: Analyzing trace with hash -54842628, now seen corresponding path program 1 times [2024-12-02 13:36:21,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:21,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011889451] [2024-12-02 13:36:21,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:21,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:21,595 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 13:36:21,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:21,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011889451] [2024-12-02 13:36:21,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011889451] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:21,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:21,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 13:36:21,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888641247] [2024-12-02 13:36:21,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:21,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 13:36:21,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:21,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 13:36:21,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:36:21,597 INFO L87 Difference]: Start difference. First operand 501 states and 723 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 13:36:22,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:22,347 INFO L93 Difference]: Finished difference Result 1611 states and 2322 transitions. [2024-12-02 13:36:22,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 13:36:22,348 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 13:36:22,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:22,352 INFO L225 Difference]: With dead ends: 1611 [2024-12-02 13:36:22,352 INFO L226 Difference]: Without dead ends: 1160 [2024-12-02 13:36:22,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-12-02 13:36:22,354 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 425 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:22,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 1710 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:36:22,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-12-02 13:36:22,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 579. [2024-12-02 13:36:22,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 547 states have (on average 1.453382084095064) internal successors, (795), 547 states have internal predecessors, (795), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:22,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 849 transitions. [2024-12-02 13:36:22,394 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 849 transitions. Word has length 101 [2024-12-02 13:36:22,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:22,394 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 849 transitions. [2024-12-02 13:36:22,395 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 13:36:22,395 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 849 transitions. [2024-12-02 13:36:22,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 13:36:22,396 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:22,396 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 13:36:22,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 13:36:22,396 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:22,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:22,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1475254916, now seen corresponding path program 1 times [2024-12-02 13:36:22,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:22,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408666233] [2024-12-02 13:36:22,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:22,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:22,701 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 13:36:22,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:22,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408666233] [2024-12-02 13:36:22,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408666233] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:22,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:22,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 13:36:22,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7114996] [2024-12-02 13:36:22,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:22,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 13:36:22,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:22,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 13:36:22,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:36:22,703 INFO L87 Difference]: Start difference. First operand 579 states and 849 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 13:36:23,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:23,336 INFO L93 Difference]: Finished difference Result 1568 states and 2276 transitions. [2024-12-02 13:36:23,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 13:36:23,337 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 13:36:23,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:23,339 INFO L225 Difference]: With dead ends: 1568 [2024-12-02 13:36:23,339 INFO L226 Difference]: Without dead ends: 1033 [2024-12-02 13:36:23,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-12-02 13:36:23,340 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 346 mSDsluCounter, 2059 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 2293 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:23,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 2293 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:36:23,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-12-02 13:36:23,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 603. [2024-12-02 13:36:23,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 571 states have (on average 1.4553415061295971) internal successors, (831), 571 states have internal predecessors, (831), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:23,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 885 transitions. [2024-12-02 13:36:23,381 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 885 transitions. Word has length 101 [2024-12-02 13:36:23,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:23,381 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 885 transitions. [2024-12-02 13:36:23,381 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 13:36:23,381 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 885 transitions. [2024-12-02 13:36:23,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 13:36:23,382 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:23,382 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, 1] [2024-12-02 13:36:23,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 13:36:23,383 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:23,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:23,383 INFO L85 PathProgramCache]: Analyzing trace with hash 418921356, now seen corresponding path program 1 times [2024-12-02 13:36:23,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:23,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391595430] [2024-12-02 13:36:23,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:23,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:23,762 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 13:36:23,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:23,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391595430] [2024-12-02 13:36:23,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391595430] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:23,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:23,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 13:36:23,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498855755] [2024-12-02 13:36:23,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:23,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:36:23,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:23,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:36:23,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:36:23,764 INFO L87 Difference]: Start difference. First operand 603 states and 885 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 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 13:36:24,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:24,446 INFO L93 Difference]: Finished difference Result 2021 states and 2936 transitions. [2024-12-02 13:36:24,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 13:36:24,447 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 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 102 [2024-12-02 13:36:24,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:24,451 INFO L225 Difference]: With dead ends: 2021 [2024-12-02 13:36:24,451 INFO L226 Difference]: Without dead ends: 1462 [2024-12-02 13:36:24,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:36:24,452 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 426 mSDsluCounter, 2520 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 2823 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:24,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 2823 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:36:24,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2024-12-02 13:36:24,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 692. [2024-12-02 13:36:24,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 660 states have (on average 1.4621212121212122) internal successors, (965), 660 states have internal predecessors, (965), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:24,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1019 transitions. [2024-12-02 13:36:24,483 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1019 transitions. Word has length 102 [2024-12-02 13:36:24,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:24,483 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 1019 transitions. [2024-12-02 13:36:24,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 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 13:36:24,483 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1019 transitions. [2024-12-02 13:36:24,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 13:36:24,484 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:24,484 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, 1] [2024-12-02 13:36:24,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 13:36:24,484 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:24,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:24,484 INFO L85 PathProgramCache]: Analyzing trace with hash 67003244, now seen corresponding path program 1 times [2024-12-02 13:36:24,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:24,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756903031] [2024-12-02 13:36:24,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:24,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:24,642 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 13:36:24,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:24,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756903031] [2024-12-02 13:36:24,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756903031] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:24,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:24,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:36:24,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890475983] [2024-12-02 13:36:24,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:24,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:36:24,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:24,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:36:24,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:36:24,643 INFO L87 Difference]: Start difference. First operand 692 states and 1019 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 13:36:24,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:24,903 INFO L93 Difference]: Finished difference Result 1650 states and 2431 transitions. [2024-12-02 13:36:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:36:24,904 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 102 [2024-12-02 13:36:24,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:24,906 INFO L225 Difference]: With dead ends: 1650 [2024-12-02 13:36:24,906 INFO L226 Difference]: Without dead ends: 1008 [2024-12-02 13:36:24,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:36:24,907 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 132 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:24,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1723 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:36:24,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2024-12-02 13:36:24,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 716. [2024-12-02 13:36:24,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 684 states have (on average 1.4678362573099415) internal successors, (1004), 684 states have internal predecessors, (1004), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:24,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1058 transitions. [2024-12-02 13:36:24,953 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1058 transitions. Word has length 102 [2024-12-02 13:36:24,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:24,953 INFO L471 AbstractCegarLoop]: Abstraction has 716 states and 1058 transitions. [2024-12-02 13:36:24,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 13:36:24,954 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1058 transitions. [2024-12-02 13:36:24,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 13:36:24,955 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:24,955 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, 1] [2024-12-02 13:36:24,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 13:36:24,955 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:24,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:24,956 INFO L85 PathProgramCache]: Analyzing trace with hash -922981936, now seen corresponding path program 1 times [2024-12-02 13:36:24,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:24,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150543006] [2024-12-02 13:36:24,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:24,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:25,307 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 13:36:25,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:25,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150543006] [2024-12-02 13:36:25,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150543006] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:25,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:25,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 13:36:25,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875573408] [2024-12-02 13:36:25,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:25,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:36:25,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:25,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:36:25,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:36:25,309 INFO L87 Difference]: Start difference. First operand 716 states and 1058 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 13:36:25,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:25,748 INFO L93 Difference]: Finished difference Result 1514 states and 2229 transitions. [2024-12-02 13:36:25,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:36:25,748 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 102 [2024-12-02 13:36:25,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:25,759 INFO L225 Difference]: With dead ends: 1514 [2024-12-02 13:36:25,759 INFO L226 Difference]: Without dead ends: 848 [2024-12-02 13:36:25,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:36:25,760 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 523 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:25,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 893 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:36:25,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-12-02 13:36:25,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 660. [2024-12-02 13:36:25,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 628 states have (on average 1.4378980891719746) internal successors, (903), 628 states have internal predecessors, (903), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:25,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 957 transitions. [2024-12-02 13:36:25,798 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 957 transitions. Word has length 102 [2024-12-02 13:36:25,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:25,799 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 957 transitions. [2024-12-02 13:36:25,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 13:36:25,799 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 957 transitions. [2024-12-02 13:36:25,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 13:36:25,800 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:25,800 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, 1] [2024-12-02 13:36:25,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 13:36:25,800 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:25,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:25,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1274900048, now seen corresponding path program 1 times [2024-12-02 13:36:25,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:25,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971900583] [2024-12-02 13:36:25,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:25,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:25,975 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 13:36:25,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:25,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971900583] [2024-12-02 13:36:25,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971900583] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:25,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:25,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:36:25,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589474162] [2024-12-02 13:36:25,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:25,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:36:25,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:25,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:36:25,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:36:25,977 INFO L87 Difference]: Start difference. First operand 660 states and 957 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 13:36:26,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:26,234 INFO L93 Difference]: Finished difference Result 1500 states and 2167 transitions. [2024-12-02 13:36:26,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:36:26,235 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 102 [2024-12-02 13:36:26,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:26,237 INFO L225 Difference]: With dead ends: 1500 [2024-12-02 13:36:26,237 INFO L226 Difference]: Without dead ends: 884 [2024-12-02 13:36:26,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:36:26,239 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 133 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:26,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1336 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:36:26,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-12-02 13:36:26,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 672. [2024-12-02 13:36:26,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 640 states have (on average 1.434375) internal successors, (918), 640 states have internal predecessors, (918), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:26,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 972 transitions. [2024-12-02 13:36:26,278 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 972 transitions. Word has length 102 [2024-12-02 13:36:26,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:26,278 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 972 transitions. [2024-12-02 13:36:26,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 13:36:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 972 transitions. [2024-12-02 13:36:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 13:36:26,279 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:26,279 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, 1, 1] [2024-12-02 13:36:26,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 13:36:26,280 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:26,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:26,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1720377663, now seen corresponding path program 1 times [2024-12-02 13:36:26,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:26,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677596924] [2024-12-02 13:36:26,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:26,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:26,616 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 13:36:26,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:26,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677596924] [2024-12-02 13:36:26,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677596924] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:26,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:26,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 13:36:26,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179504370] [2024-12-02 13:36:26,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:26,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 13:36:26,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:26,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 13:36:26,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:36:26,618 INFO L87 Difference]: Start difference. First operand 672 states and 972 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 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 13:36:27,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:27,281 INFO L93 Difference]: Finished difference Result 1853 states and 2663 transitions. [2024-12-02 13:36:27,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 13:36:27,282 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 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 103 [2024-12-02 13:36:27,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:27,285 INFO L225 Difference]: With dead ends: 1853 [2024-12-02 13:36:27,285 INFO L226 Difference]: Without dead ends: 1231 [2024-12-02 13:36:27,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2024-12-02 13:36:27,287 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 419 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:27,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1709 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:36:27,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2024-12-02 13:36:27,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 671. [2024-12-02 13:36:27,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 639 states have (on average 1.4366197183098592) internal successors, (918), 639 states have internal predecessors, (918), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 972 transitions. [2024-12-02 13:36:27,320 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 972 transitions. Word has length 103 [2024-12-02 13:36:27,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:27,320 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 972 transitions. [2024-12-02 13:36:27,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 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 13:36:27,321 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 972 transitions. [2024-12-02 13:36:27,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 13:36:27,321 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:27,322 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, 1, 1] [2024-12-02 13:36:27,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 13:36:27,322 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:27,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:27,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1482714049, now seen corresponding path program 1 times [2024-12-02 13:36:27,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:27,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944718900] [2024-12-02 13:36:27,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:27,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:27,620 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 13:36:27,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:27,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944718900] [2024-12-02 13:36:27,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944718900] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:27,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:27,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 13:36:27,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861367803] [2024-12-02 13:36:27,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:27,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 13:36:27,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:27,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 13:36:27,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:36:27,621 INFO L87 Difference]: Start difference. First operand 671 states and 972 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 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 13:36:28,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:28,279 INFO L93 Difference]: Finished difference Result 1693 states and 2429 transitions. [2024-12-02 13:36:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 13:36:28,279 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 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 103 [2024-12-02 13:36:28,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:28,281 INFO L225 Difference]: With dead ends: 1693 [2024-12-02 13:36:28,282 INFO L226 Difference]: Without dead ends: 1042 [2024-12-02 13:36:28,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:36:28,283 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 338 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 2203 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:28,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 2203 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:36:28,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2024-12-02 13:36:28,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 677. [2024-12-02 13:36:28,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 645 states have (on average 1.4372093023255814) internal successors, (927), 645 states have internal predecessors, (927), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:28,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 981 transitions. [2024-12-02 13:36:28,311 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 981 transitions. Word has length 103 [2024-12-02 13:36:28,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:28,311 INFO L471 AbstractCegarLoop]: Abstraction has 677 states and 981 transitions. [2024-12-02 13:36:28,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 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 13:36:28,311 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 981 transitions. [2024-12-02 13:36:28,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 13:36:28,313 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:28,313 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, 1, 1] [2024-12-02 13:36:28,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 13:36:28,313 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:28,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:28,313 INFO L85 PathProgramCache]: Analyzing trace with hash 104136137, now seen corresponding path program 1 times [2024-12-02 13:36:28,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:28,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816436460] [2024-12-02 13:36:28,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:28,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:28,477 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 13:36:28,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:28,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816436460] [2024-12-02 13:36:28,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816436460] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:28,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:28,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:36:28,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964497555] [2024-12-02 13:36:28,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:28,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:36:28,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:28,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:36:28,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:36:28,479 INFO L87 Difference]: Start difference. First operand 677 states and 981 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 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 13:36:28,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:28,756 INFO L93 Difference]: Finished difference Result 1608 states and 2334 transitions. [2024-12-02 13:36:28,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:36:28,756 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 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 103 [2024-12-02 13:36:28,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:28,762 INFO L225 Difference]: With dead ends: 1608 [2024-12-02 13:36:28,762 INFO L226 Difference]: Without dead ends: 981 [2024-12-02 13:36:28,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:36:28,763 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 131 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:28,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 1760 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:36:28,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-12-02 13:36:28,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 665. [2024-12-02 13:36:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 633 states have (on average 1.4312796208530805) internal successors, (906), 633 states have internal predecessors, (906), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:28,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 960 transitions. [2024-12-02 13:36:28,799 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 960 transitions. Word has length 103 [2024-12-02 13:36:28,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:28,800 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 960 transitions. [2024-12-02 13:36:28,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 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 13:36:28,800 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 960 transitions. [2024-12-02 13:36:28,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 13:36:28,800 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:28,800 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, 1, 1] [2024-12-02 13:36:28,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 13:36:28,801 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:28,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:28,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1170823199, now seen corresponding path program 1 times [2024-12-02 13:36:28,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:28,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857067261] [2024-12-02 13:36:28,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:28,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:29,081 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 13:36:29,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:29,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857067261] [2024-12-02 13:36:29,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857067261] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:29,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:29,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:36:29,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004038076] [2024-12-02 13:36:29,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:29,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:36:29,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:29,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:36:29,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:36:29,082 INFO L87 Difference]: Start difference. First operand 665 states and 960 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 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 13:36:29,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:29,510 INFO L93 Difference]: Finished difference Result 1466 states and 2111 transitions. [2024-12-02 13:36:29,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:36:29,510 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 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 103 [2024-12-02 13:36:29,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:29,512 INFO L225 Difference]: With dead ends: 1466 [2024-12-02 13:36:29,512 INFO L226 Difference]: Without dead ends: 851 [2024-12-02 13:36:29,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:36:29,513 INFO L435 NwaCegarLoop]: 293 mSDtfsCounter, 516 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:29,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 1318 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:36:29,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-12-02 13:36:29,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 648. [2024-12-02 13:36:29,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 616 states have (on average 1.426948051948052) internal successors, (879), 616 states have internal predecessors, (879), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 933 transitions. [2024-12-02 13:36:29,551 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 933 transitions. Word has length 103 [2024-12-02 13:36:29,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:29,552 INFO L471 AbstractCegarLoop]: Abstraction has 648 states and 933 transitions. [2024-12-02 13:36:29,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 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 13:36:29,552 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 933 transitions. [2024-12-02 13:36:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 13:36:29,553 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:29,553 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, 1, 1] [2024-12-02 13:36:29,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 13:36:29,553 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:29,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:29,554 INFO L85 PathProgramCache]: Analyzing trace with hash 2075774890, now seen corresponding path program 1 times [2024-12-02 13:36:29,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:29,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521642612] [2024-12-02 13:36:29,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:29,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:29,737 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 13:36:29,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:29,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521642612] [2024-12-02 13:36:29,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521642612] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:29,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:29,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:36:29,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334627881] [2024-12-02 13:36:29,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:29,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:36:29,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:29,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:36:29,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:36:29,739 INFO L87 Difference]: Start difference. First operand 648 states and 933 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 13:36:30,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:30,090 INFO L93 Difference]: Finished difference Result 1839 states and 2629 transitions. [2024-12-02 13:36:30,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:36:30,090 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 103 [2024-12-02 13:36:30,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:30,093 INFO L225 Difference]: With dead ends: 1839 [2024-12-02 13:36:30,093 INFO L226 Difference]: Without dead ends: 1241 [2024-12-02 13:36:30,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:36:30,094 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 345 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:30,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 1429 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:36:30,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2024-12-02 13:36:30,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 684. [2024-12-02 13:36:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 652 states have (on average 1.3941717791411044) internal successors, (909), 652 states have internal predecessors, (909), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:30,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 963 transitions. [2024-12-02 13:36:30,118 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 963 transitions. Word has length 103 [2024-12-02 13:36:30,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:30,118 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 963 transitions. [2024-12-02 13:36:30,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 13:36:30,119 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 963 transitions. [2024-12-02 13:36:30,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 13:36:30,119 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:30,119 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, 1, 1, 1] [2024-12-02 13:36:30,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 13:36:30,119 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:30,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:30,120 INFO L85 PathProgramCache]: Analyzing trace with hash -339049141, now seen corresponding path program 1 times [2024-12-02 13:36:30,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:30,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099937285] [2024-12-02 13:36:30,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:30,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:30,229 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:36:30,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:30,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099937285] [2024-12-02 13:36:30,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099937285] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:30,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362743271] [2024-12-02 13:36:30,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:30,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:36:30,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:36:30,231 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:36:30,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 13:36:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:30,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:36:30,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:30,486 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 13:36:30,486 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:30,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362743271] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:30,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:30,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 13:36:30,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213395113] [2024-12-02 13:36:30,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:30,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:30,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:30,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:30,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:36:30,487 INFO L87 Difference]: Start difference. First operand 684 states and 963 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 13:36:30,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:30,529 INFO L93 Difference]: Finished difference Result 1324 states and 1868 transitions. [2024-12-02 13:36:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:36:30,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 104 [2024-12-02 13:36:30,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:30,532 INFO L225 Difference]: With dead ends: 1324 [2024-12-02 13:36:30,532 INFO L226 Difference]: Without dead ends: 690 [2024-12-02 13:36:30,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:36:30,533 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:30,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:36:30,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-12-02 13:36:30,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 690. [2024-12-02 13:36:30,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 658 states have (on average 1.3905775075987843) internal successors, (915), 658 states have internal predecessors, (915), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:30,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 969 transitions. [2024-12-02 13:36:30,563 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 969 transitions. Word has length 104 [2024-12-02 13:36:30,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:30,563 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 969 transitions. [2024-12-02 13:36:30,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 13:36:30,563 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 969 transitions. [2024-12-02 13:36:30,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 13:36:30,563 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:30,563 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, 1, 1, 1] [2024-12-02 13:36:30,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 13:36:30,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-12-02 13:36:30,764 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:30,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:30,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1444823633, now seen corresponding path program 1 times [2024-12-02 13:36:30,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:30,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440654151] [2024-12-02 13:36:30,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:30,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:31,196 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 13:36:31,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:31,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440654151] [2024-12-02 13:36:31,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440654151] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:31,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:31,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 13:36:31,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440282360] [2024-12-02 13:36:31,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:31,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:36:31,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:31,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:36:31,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:36:31,198 INFO L87 Difference]: Start difference. First operand 690 states and 969 transitions. Second operand has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 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 13:36:31,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:31,564 INFO L93 Difference]: Finished difference Result 1356 states and 1909 transitions. [2024-12-02 13:36:31,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:36:31,565 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 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 104 [2024-12-02 13:36:31,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:31,566 INFO L225 Difference]: With dead ends: 1356 [2024-12-02 13:36:31,566 INFO L226 Difference]: Without dead ends: 686 [2024-12-02 13:36:31,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:36:31,567 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 141 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:31,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1133 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:36:31,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-12-02 13:36:31,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 506. [2024-12-02 13:36:31,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 474 states have (on average 1.358649789029536) internal successors, (644), 474 states have internal predecessors, (644), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:31,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 698 transitions. [2024-12-02 13:36:31,589 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 698 transitions. Word has length 104 [2024-12-02 13:36:31,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:31,589 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 698 transitions. [2024-12-02 13:36:31,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 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 13:36:31,589 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 698 transitions. [2024-12-02 13:36:31,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 13:36:31,590 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:31,590 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, 1, 1, 1] [2024-12-02 13:36:31,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 13:36:31,590 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:31,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:31,590 INFO L85 PathProgramCache]: Analyzing trace with hash 2079753075, now seen corresponding path program 1 times [2024-12-02 13:36:31,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:31,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237288327] [2024-12-02 13:36:31,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:31,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:31,844 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 13:36:31,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:31,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237288327] [2024-12-02 13:36:31,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237288327] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:31,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:31,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:36:31,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720288049] [2024-12-02 13:36:31,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:31,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:36:31,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:31,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:36:31,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:36:31,846 INFO L87 Difference]: Start difference. First operand 506 states and 698 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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 13:36:32,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:32,047 INFO L93 Difference]: Finished difference Result 902 states and 1254 transitions. [2024-12-02 13:36:32,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:36:32,048 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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 104 [2024-12-02 13:36:32,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:32,049 INFO L225 Difference]: With dead ends: 902 [2024-12-02 13:36:32,049 INFO L226 Difference]: Without dead ends: 446 [2024-12-02 13:36:32,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:36:32,050 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 147 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:32,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 606 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:36:32,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-12-02 13:36:32,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 431. [2024-12-02 13:36:32,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 399 states have (on average 1.3659147869674186) internal successors, (545), 399 states have internal predecessors, (545), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:32,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 599 transitions. [2024-12-02 13:36:32,078 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 599 transitions. Word has length 104 [2024-12-02 13:36:32,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:32,078 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 599 transitions. [2024-12-02 13:36:32,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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 13:36:32,078 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 599 transitions. [2024-12-02 13:36:32,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 13:36:32,079 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:32,079 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, 1, 1, 1] [2024-12-02 13:36:32,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 13:36:32,079 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:32,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:32,080 INFO L85 PathProgramCache]: Analyzing trace with hash -850857107, now seen corresponding path program 1 times [2024-12-02 13:36:32,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:32,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897190977] [2024-12-02 13:36:32,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:32,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:32,302 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 13:36:32,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:32,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897190977] [2024-12-02 13:36:32,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897190977] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:32,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:32,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:36:32,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818202112] [2024-12-02 13:36:32,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:32,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:36:32,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:32,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:36:32,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:36:32,304 INFO L87 Difference]: Start difference. First operand 431 states and 599 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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 13:36:32,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:32,532 INFO L93 Difference]: Finished difference Result 773 states and 1081 transitions. [2024-12-02 13:36:32,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:36:32,533 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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 104 [2024-12-02 13:36:32,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:32,534 INFO L225 Difference]: With dead ends: 773 [2024-12-02 13:36:32,534 INFO L226 Difference]: Without dead ends: 392 [2024-12-02 13:36:32,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:36:32,535 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 142 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:32,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 780 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:36:32,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-12-02 13:36:32,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 377. [2024-12-02 13:36:32,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 345 states have (on average 1.3652173913043477) internal successors, (471), 345 states have internal predecessors, (471), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:32,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 525 transitions. [2024-12-02 13:36:32,568 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 525 transitions. Word has length 104 [2024-12-02 13:36:32,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:32,568 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 525 transitions. [2024-12-02 13:36:32,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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 13:36:32,568 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 525 transitions. [2024-12-02 13:36:32,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 13:36:32,569 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:32,569 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, 1, 1, 1, 1, 1] [2024-12-02 13:36:32,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 13:36:32,570 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:32,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:32,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1900761118, now seen corresponding path program 1 times [2024-12-02 13:36:32,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:32,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868361084] [2024-12-02 13:36:32,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:32,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:33,336 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 13:36:33,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:33,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868361084] [2024-12-02 13:36:33,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868361084] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:33,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:33,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:36:33,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92570262] [2024-12-02 13:36:33,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:33,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:36:33,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:36:33,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:36:33,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:36:33,338 INFO L87 Difference]: Start difference. First operand 377 states and 525 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 13:36:33,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:33,602 INFO L93 Difference]: Finished difference Result 385 states and 532 transitions. [2024-12-02 13:36:33,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:36:33,603 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 106 [2024-12-02 13:36:33,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:33,604 INFO L225 Difference]: With dead ends: 385 [2024-12-02 13:36:33,604 INFO L226 Difference]: Without dead ends: 383 [2024-12-02 13:36:33,605 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:36:33,605 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 141 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:33,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1113 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:36:33,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-12-02 13:36:33,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2024-12-02 13:36:33,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 348 states have (on average 1.3620689655172413) internal successors, (474), 348 states have internal predecessors, (474), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:36:33,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 528 transitions. [2024-12-02 13:36:33,636 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 528 transitions. Word has length 106 [2024-12-02 13:36:33,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:33,637 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 528 transitions. [2024-12-02 13:36:33,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 13:36:33,637 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 528 transitions. [2024-12-02 13:36:33,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 13:36:33,637 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:33,637 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, 1, 1, 1, 1, 1] [2024-12-02 13:36:33,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 13:36:33,638 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:33,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:33,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1898914076, now seen corresponding path program 1 times [2024-12-02 13:36:33,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:36:33,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222369907] [2024-12-02 13:36:33,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:33,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:36:33,711 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:36:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:36:33,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:36:33,878 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:36:33,879 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:36:33,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 13:36:33,884 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 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 13:36:34,002 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:36:34,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:36:34 BoogieIcfgContainer [2024-12-02 13:36:34,006 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:36:34,006 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:36:34,006 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:36:34,006 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:36:34,007 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:36:09" (3/4) ... [2024-12-02 13:36:34,009 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:36:34,010 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:36:34,011 INFO L158 Benchmark]: Toolchain (without parser) took 25459.53ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 116.1MB in the beginning and 197.9MB in the end (delta: -81.9MB). Peak memory consumption was 207.7MB. Max. memory is 16.1GB. [2024-12-02 13:36:34,011 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:36:34,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.97ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 101.8MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:36:34,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.78ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 98.0MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:36:34,011 INFO L158 Benchmark]: Boogie Preprocessor took 76.66ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 93.1MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:36:34,011 INFO L158 Benchmark]: RCFGBuilder took 792.14ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 111.3MB in the end (delta: -18.4MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-12-02 13:36:34,012 INFO L158 Benchmark]: TraceAbstraction took 24266.40ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 110.6MB in the beginning and 198.0MB in the end (delta: -87.4MB). Peak memory consumption was 191.7MB. Max. memory is 16.1GB. [2024-12-02 13:36:34,012 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 427.8MB. Free memory was 198.0MB in the beginning and 197.9MB in the end (delta: 37.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:36:34,013 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.97ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 101.8MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.78ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 98.0MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 76.66ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 93.1MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 792.14ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 111.3MB in the end (delta: -18.4MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * TraceAbstraction took 24266.40ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 110.6MB in the beginning and 198.0MB in the end (delta: -87.4MB). Peak memory consumption was 191.7MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 427.8MB. Free memory was 198.0MB in the beginning and 197.9MB in the end (delta: 37.1kB). Peak memory consumption was 8.4MB. 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 85, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someUnaryDOUBLEoperation at line 32. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L22] signed short int var_1_1 = -10; [L23] signed short int* var_1_1_Pointer = &(var_1_1); [L24] signed short int var_1_5 = 4; [L24] signed short int var_1_5 = 4; [L25] signed short int* var_1_5_Pointer = &(var_1_5); [L26] unsigned char var_1_7 = 200; [L26] unsigned char var_1_7 = 200; [L27] unsigned char* var_1_7_Pointer = &(var_1_7); [L28] unsigned char var_1_8 = 32; [L28] unsigned char var_1_8 = 32; [L29] unsigned char* var_1_8_Pointer = &(var_1_8); [L30] float var_1_9 = 256.5; [L30] float var_1_9 = 256.5; [L31] float* var_1_9_Pointer = &(var_1_9); [L32] float var_1_10 = -0.25; [L32] float var_1_10 = -0.25; [L33] float* var_1_10_Pointer = &(var_1_10); [L34] float var_1_11 = 0.30000000000000004; [L34] float var_1_11 = 0.30000000000000004; [L35] float* var_1_11_Pointer = &(var_1_11); [L36] float var_1_12 = 49.5; [L36] float var_1_12 = 49.5; [L37] float* var_1_12_Pointer = &(var_1_12); [L38] signed long int var_1_13 = -8; [L38] signed long int var_1_13 = -8; [L39] signed long int* var_1_13_Pointer = &(var_1_13); [L40] unsigned char var_1_14 = 0; [L40] unsigned char var_1_14 = 0; [L41] unsigned char* var_1_14_Pointer = &(var_1_14); [L42] float var_1_15 = 0.4; [L42] float var_1_15 = 0.4; [L43] float* var_1_15_Pointer = &(var_1_15); [L44] signed long int var_1_16 = -256; [L44] signed long int var_1_16 = -256; [L45] signed long int* var_1_16_Pointer = &(var_1_16); [L46] signed long int last_1_var_1_13 = -8; VAL [isInitial=0, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L100] isInitial = 1 [L101] FCALL initially() [L103] CALL updateLastVariables() [L93] EXPR \read(var_1_13) [L93] last_1_var_1_13 = var_1_13 [L103] RET updateLastVariables() [L104] CALL updateVariables() [L76] var_1_5 = __VERIFIER_nondet_short() [L77] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L77] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L77] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L79] var_1_8 = __VERIFIER_nondet_uchar() [L80] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L80] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L80] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L82] var_1_10 = __VERIFIER_nondet_float() [L83] EXPR \read(var_1_10) [L83] EXPR var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] EXPR var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F [L83] EXPR \read(var_1_10) [L83] EXPR var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] EXPR (var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] EXPR (var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L84] var_1_11 = __VERIFIER_nondet_float() [L85] EXPR \read(var_1_11) [L85] EXPR var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] EXPR var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F [L85] EXPR \read(var_1_11) [L85] EXPR var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] EXPR (var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] EXPR (var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L86] var_1_12 = __VERIFIER_nondet_float() [L87] EXPR \read(var_1_12) [L87] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F [L87] EXPR \read(var_1_12) [L87] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] EXPR (var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] EXPR (var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L88] var_1_14 = __VERIFIER_nondet_uchar() [L89] EXPR \read(var_1_14) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L89] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L89] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR \read(var_1_14) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L104] RET updateVariables() [L105] CALL step() [L50] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L50] COND FALSE !((*(var_1_5_Pointer)) < last_1_var_1_13) [L53] EXPR \read(*var_1_7_Pointer) [L53] (*(var_1_16_Pointer)) = (*(var_1_7_Pointer)) [L54] EXPR \read(*var_1_7_Pointer) [L54] unsigned char stepLocal_1 = (*(var_1_7_Pointer)); [L55] EXPR \read(*var_1_14_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L55] COND TRUE ! (*(var_1_14_Pointer)) [L56] EXPR \read(*var_1_8_Pointer) [L56] (*(var_1_13_Pointer)) = (*(var_1_8_Pointer)) [L64] EXPR \read(*var_1_11_Pointer) [L64] (*(var_1_15_Pointer)) = (*(var_1_11_Pointer)) [L65] EXPR \read(*var_1_13_Pointer) [L65] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L65] EXPR (*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_13=-8, stepLocal_1=200, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L65] EXPR \read(*var_1_16_Pointer) [L65] signed long int stepLocal_0 = ((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer)); [L66] COND FALSE !(stepLocal_0 < -1) [L69] EXPR \read(*var_1_7_Pointer) [L69] EXPR \read(*var_1_7_Pointer) [L69] (*(var_1_1_Pointer)) = (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) [L71] EXPR \read(*var_1_7_Pointer) [L71] EXPR \read(*var_1_13_Pointer) [L71] EXPR \read(*var_1_7_Pointer) [L71] EXPR \read(*var_1_16_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L71] EXPR (*(var_1_7_Pointer)) | (*(var_1_16_Pointer)) VAL [isInitial=1, last_1_var_1_13=-8, stepLocal_1=200, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L71] EXPR (*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))) VAL [isInitial=1, last_1_var_1_13=-8, stepLocal_1=200, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L71] COND FALSE !((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) [L105] RET step() [L106] CALL, EXPR property() [L96] EXPR \read(*var_1_13_Pointer) [L96] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR \read(*var_1_16_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))))) [L96] EXPR \read(*var_1_1_Pointer) [L96] EXPR \read(*var_1_7_Pointer) [L96] EXPR \read(*var_1_7_Pointer) [L96] EXPR ((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1) [L96] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1 [L96] EXPR ((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1 VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1) [L96] EXPR \read(*var_1_7_Pointer) [L96] EXPR \read(*var_1_13_Pointer) [L96] EXPR \read(*var_1_7_Pointer) [L96] EXPR \read(*var_1_16_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (*(var_1_7_Pointer)) | (*(var_1_16_Pointer)) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1 [L96] EXPR ((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1 VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))))) [L96] EXPR \read(*var_1_14_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))) [L96] EXPR \read(*var_1_13_Pointer) [L96] EXPR \read(*var_1_8_Pointer) [L96] EXPR (! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer)))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer)))) [L96] EXPR \read(*var_1_15_Pointer) [L96] EXPR \read(*var_1_11_Pointer) [L96] EXPR ((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer)))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer))))) && ((*(var_1_16_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer))))) && ((*(var_1_16_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96-L97] return (((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer))))) && ((*(var_1_16_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.1s, OverallIterations: 32, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6693 SdHoareTripleChecker+Valid, 7.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6693 mSDsluCounter, 37079 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30748 mSDsCounter, 445 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10267 IncrementalHoareTripleChecker+Invalid, 10712 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 445 mSolverCounterUnsat, 6331 mSDtfsCounter, 10267 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 882 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 314 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=716occurred in iteration=19, InterpolantAutomatonStates: 276, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 31 MinimizatonAttempts, 6261 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 3635 NumberOfCodeBlocks, 3635 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 3591 ConstructedInterpolants, 0 QuantifiedInterpolants, 9697 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1933 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 36 InterpolantComputations, 30 PerfectInterpolantSequences, 5060/5184 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 13:36:34,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/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_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/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_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/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_75911494-2d17-45f2-8c9a-4c03d09ddb39/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 24eb6d8aed88d8ad0c0a7297311d178ed920bbbfb0b7ffdf6d456efc32725bc4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:36:35,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:36:36,045 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:36:36,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:36:36,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:36:36,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:36:36,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:36:36,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:36:36,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:36:36,077 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:36:36,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:36:36,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:36:36,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:36:36,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:36:36,078 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:36:36,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:36:36,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:36:36,078 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:36:36,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:36:36,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:36:36,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:36:36,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:36:36,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:36:36,078 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:36:36,078 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:36:36,079 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:36:36,079 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:36:36,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:36:36,079 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:36:36,079 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:36:36,079 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:36:36,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:36:36,079 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:36:36,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:36:36,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:36:36,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:36:36,080 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:36:36,080 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:36:36,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:36:36,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:36:36,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:36:36,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:36:36,080 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:36:36,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:36:36,081 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:36:36,081 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:36:36,081 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:36:36,081 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:36:36,081 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:36:36,081 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:36:36,081 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_75911494-2d17-45f2-8c9a-4c03d09ddb39/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 -> 24eb6d8aed88d8ad0c0a7297311d178ed920bbbfb0b7ffdf6d456efc32725bc4 [2024-12-02 13:36:36,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:36:36,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:36:36,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:36:36,331 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:36:36,332 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:36:36,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i [2024-12-02 13:36:39,010 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/data/90202be15/60e71935ca55428584f01d9c94d453d0/FLAGdb5a2715d [2024-12-02 13:36:39,238 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:36:39,239 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i [2024-12-02 13:36:39,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/data/90202be15/60e71935ca55428584f01d9c94d453d0/FLAGdb5a2715d [2024-12-02 13:36:39,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/data/90202be15/60e71935ca55428584f01d9c94d453d0 [2024-12-02 13:36:39,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:36:39,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:36:39,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:36:39,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:36:39,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:36:39,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a777581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39, skipping insertion in model container [2024-12-02 13:36:39,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:36:39,421 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_75911494-2d17-45f2-8c9a-4c03d09ddb39/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i[916,929] [2024-12-02 13:36:39,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:36:39,483 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:36:39,494 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_75911494-2d17-45f2-8c9a-4c03d09ddb39/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i[916,929] [2024-12-02 13:36:39,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:36:39,538 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:36:39,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39 WrapperNode [2024-12-02 13:36:39,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:36:39,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:36:39,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:36:39,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:36:39,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,584 INFO L138 Inliner]: procedures = 36, calls = 147, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 439 [2024-12-02 13:36:39,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:36:39,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:36:39,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:36:39,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:36:39,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,599 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,622 INFO L175 MemorySlicer]: Split 115 memory accesses to 13 slices as follows [2, 5, 6, 23, 8, 3, 12, 14, 12, 12, 6, 3, 9]. 20 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 15 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1]. [2024-12-02 13:36:39,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,643 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:36:39,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:36:39,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:36:39,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:36:39,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39" (1/1) ... [2024-12-02 13:36:39,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:36:39,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:36:39,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:36:39,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:36:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:36:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 13:36:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 13:36:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 13:36:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 13:36:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 13:36:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 13:36:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-12-02 13:36:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-12-02 13:36:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-12-02 13:36:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-12-02 13:36:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-12-02 13:36:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-12-02 13:36:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-12-02 13:36:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 13:36:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 13:36:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 13:36:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 13:36:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 13:36:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 13:36:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-12-02 13:36:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-12-02 13:36:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-12-02 13:36:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-12-02 13:36:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 13:36:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 13:36:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 13:36:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-12-02 13:36:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-12-02 13:36:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-12-02 13:36:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 13:36:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 13:36:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 13:36:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 13:36:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-12-02 13:36:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-12-02 13:36:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-12-02 13:36:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-12-02 13:36:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-12-02 13:36:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-12-02 13:36:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-12-02 13:36:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:36:39,730 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:36:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:36:39,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:36:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 13:36:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 13:36:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 13:36:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 13:36:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 13:36:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 13:36:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-12-02 13:36:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-12-02 13:36:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-12-02 13:36:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-12-02 13:36:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-12-02 13:36:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-12-02 13:36:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-12-02 13:36:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 13:36:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 13:36:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 13:36:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 13:36:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-12-02 13:36:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-12-02 13:36:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-12-02 13:36:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-12-02 13:36:39,949 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:36:39,951 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:36:44,296 INFO L? ?]: Removed 111 outVars from TransFormulas that were not future-live. [2024-12-02 13:36:44,296 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:36:44,307 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:36:44,307 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:36:44,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:36:44 BoogieIcfgContainer [2024-12-02 13:36:44,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:36:44,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:36:44,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:36:44,313 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:36:44,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:36:39" (1/3) ... [2024-12-02 13:36:44,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d771944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:36:44, skipping insertion in model container [2024-12-02 13:36:44,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:36:39" (2/3) ... [2024-12-02 13:36:44,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d771944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:36:44, skipping insertion in model container [2024-12-02 13:36:44,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:36:44" (3/3) ... [2024-12-02 13:36:44,315 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-33.i [2024-12-02 13:36:44,336 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:36:44,338 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-33.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:36:44,383 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:36:44,393 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;@37b96dad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:36:44,393 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:36:44,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 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 13:36:44,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 13:36:44,403 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:44,404 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] [2024-12-02 13:36:44,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:44,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:44,410 INFO L85 PathProgramCache]: Analyzing trace with hash -757554800, now seen corresponding path program 1 times [2024-12-02 13:36:44,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:44,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086506006] [2024-12-02 13:36:44,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:44,419 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 13:36:44,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:44,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:36:44,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:36:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:44,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:36:44,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-02 13:36:44,898 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:44,899 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:44,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086506006] [2024-12-02 13:36:44,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086506006] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:44,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:44,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:36:44,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92273565] [2024-12-02 13:36:44,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:44,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:36:44,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:44,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:36:44,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:36:44,926 INFO L87 Difference]: Start difference. First operand has 85 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 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 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 13:36:44,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:44,948 INFO L93 Difference]: Finished difference Result 163 states and 247 transitions. [2024-12-02 13:36:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:36:44,950 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2024-12-02 13:36:44,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:44,955 INFO L225 Difference]: With dead ends: 163 [2024-12-02 13:36:44,955 INFO L226 Difference]: Without dead ends: 81 [2024-12-02 13:36:44,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 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 13:36:44,960 INFO L435 NwaCegarLoop]: 115 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, 115 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 13:36:44,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:36:44,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-12-02 13:36:44,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-12-02 13:36:44,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 70 states have internal predecessors, (97), 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 13:36:44,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2024-12-02 13:36:44,993 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 92 [2024-12-02 13:36:44,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:44,993 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2024-12-02 13:36:44,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 13:36:44,994 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2024-12-02 13:36:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 13:36:44,997 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:44,997 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] [2024-12-02 13:36:45,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:36:45,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:36:45,198 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:45,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:45,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1180114542, now seen corresponding path program 1 times [2024-12-02 13:36:45,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:45,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555828203] [2024-12-02 13:36:45,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:45,199 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 13:36:45,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:45,201 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:36:45,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:36:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:45,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:36:45,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:45,655 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-02 13:36:45,656 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:45,656 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:45,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555828203] [2024-12-02 13:36:45,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555828203] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:45,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:45,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:36:45,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621143462] [2024-12-02 13:36:45,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:45,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:36:45,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:45,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:36:45,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:36:45,659 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 13:36:45,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:45,719 INFO L93 Difference]: Finished difference Result 161 states and 230 transitions. [2024-12-02 13:36:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:36:45,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2024-12-02 13:36:45,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:45,721 INFO L225 Difference]: With dead ends: 161 [2024-12-02 13:36:45,721 INFO L226 Difference]: Without dead ends: 83 [2024-12-02 13:36:45,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 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 13:36:45,723 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:45,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 328 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:36:45,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-12-02 13:36:45,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-12-02 13:36:45,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 72 states have (on average 1.375) internal successors, (99), 72 states have internal predecessors, (99), 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 13:36:45,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2024-12-02 13:36:45,733 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 92 [2024-12-02 13:36:45,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:45,734 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2024-12-02 13:36:45,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 13:36:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2024-12-02 13:36:45,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 13:36:45,736 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:45,736 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] [2024-12-02 13:36:45,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Ended with exit code 0 [2024-12-02 13:36:45,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:36:45,937 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:45,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:45,937 INFO L85 PathProgramCache]: Analyzing trace with hash -2073600880, now seen corresponding path program 1 times [2024-12-02 13:36:45,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:45,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891097462] [2024-12-02 13:36:45,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:45,938 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 13:36:45,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:45,940 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:36:45,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:36:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:46,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:36:46,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:47,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 13:36:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 13:36:51,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:52,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:36:52,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2024-12-02 13:36:52,579 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:36:52,579 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:52,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891097462] [2024-12-02 13:36:52,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [891097462] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:36:52,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:36:52,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-12-02 13:36:52,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713966443] [2024-12-02 13:36:52,580 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:36:52,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:36:52,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:52,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:36:52,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=219, Unknown=1, NotChecked=0, Total=272 [2024-12-02 13:36:52,582 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand has 17 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) [2024-12-02 13:36:59,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:37:02,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:37:06,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:37:10,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:37:11,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:11,229 INFO L93 Difference]: Finished difference Result 252 states and 353 transitions. [2024-12-02 13:37:11,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 13:37:11,230 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) Word has length 92 [2024-12-02 13:37:11,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:11,232 INFO L225 Difference]: With dead ends: 252 [2024-12-02 13:37:11,232 INFO L226 Difference]: Without dead ends: 172 [2024-12-02 13:37:11,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=203, Invalid=552, Unknown=1, NotChecked=0, Total=756 [2024-12-02 13:37:11,234 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 498 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 54 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:11,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 1146 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 347 Invalid, 4 Unknown, 0 Unchecked, 15.0s Time] [2024-12-02 13:37:11,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-12-02 13:37:11,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 130. [2024-12-02 13:37:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.3333333333333333) internal successors, (144), 108 states have internal predecessors, (144), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 13:37:11,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 180 transitions. [2024-12-02 13:37:11,253 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 180 transitions. Word has length 92 [2024-12-02 13:37:11,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:11,254 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 180 transitions. [2024-12-02 13:37:11,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) [2024-12-02 13:37:11,254 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 180 transitions. [2024-12-02 13:37:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 13:37:11,255 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:11,255 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] [2024-12-02 13:37:11,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Forceful destruction successful, exit code 0 [2024-12-02 13:37:11,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:11,456 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:11,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:11,457 INFO L85 PathProgramCache]: Analyzing trace with hash 415928082, now seen corresponding path program 1 times [2024-12-02 13:37:11,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:11,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [72484933] [2024-12-02 13:37:11,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:11,457 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 13:37:11,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:11,459 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:11,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:11,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:37:11,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:11,750 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 17 treesize of output 13 [2024-12-02 13:37:11,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:37:11,781 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 13 treesize of output 9 [2024-12-02 13:37:11,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2024-12-02 13:37:11,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 13:37:11,845 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 25 treesize of output 17 [2024-12-02 13:37:11,883 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 13:37:11,883 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:11,883 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:11,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [72484933] [2024-12-02 13:37:11,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [72484933] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:11,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:11,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:37:11,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326067834] [2024-12-02 13:37:11,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:11,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:37:11,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:11,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:37:11,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:37:11,885 INFO L87 Difference]: Start difference. First operand 130 states and 180 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 13:37:12,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:12,244 INFO L93 Difference]: Finished difference Result 213 states and 299 transitions. [2024-12-02 13:37:12,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:37:12,244 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 92 [2024-12-02 13:37:12,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:12,246 INFO L225 Difference]: With dead ends: 213 [2024-12-02 13:37:12,246 INFO L226 Difference]: Without dead ends: 133 [2024-12-02 13:37:12,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:37:12,247 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 196 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:12,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 368 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:37:12,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-12-02 13:37:12,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2024-12-02 13:37:12,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.3240740740740742) internal successors, (143), 108 states have internal predecessors, (143), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 13:37:12,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 179 transitions. [2024-12-02 13:37:12,268 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 179 transitions. Word has length 92 [2024-12-02 13:37:12,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:12,268 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 179 transitions. [2024-12-02 13:37:12,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 13:37:12,268 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 179 transitions. [2024-12-02 13:37:12,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 13:37:12,269 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:12,270 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] [2024-12-02 13:37:12,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:12,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:12,470 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:12,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:12,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1273015660, now seen corresponding path program 1 times [2024-12-02 13:37:12,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:12,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557462180] [2024-12-02 13:37:12,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:12,471 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 13:37:12,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:12,473 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:12,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:12,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 13:37:12,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:12,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:37:12,772 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 13 treesize of output 9 [2024-12-02 13:37:12,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:37:12,794 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 13 treesize of output 9 [2024-12-02 13:37:12,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:37:12,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:37:12,917 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 13:37:12,917 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:12,917 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:12,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1557462180] [2024-12-02 13:37:12,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1557462180] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:12,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:12,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:37:12,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824775165] [2024-12-02 13:37:12,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:12,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:37:12,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:12,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:37:12,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:37:12,919 INFO L87 Difference]: Start difference. First operand 130 states and 179 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 13:37:13,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:13,154 INFO L93 Difference]: Finished difference Result 213 states and 297 transitions. [2024-12-02 13:37:13,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:37:13,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 92 [2024-12-02 13:37:13,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:13,156 INFO L225 Difference]: With dead ends: 213 [2024-12-02 13:37:13,156 INFO L226 Difference]: Without dead ends: 133 [2024-12-02 13:37:13,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:37:13,158 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 103 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:13,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 440 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:37:13,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-12-02 13:37:13,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2024-12-02 13:37:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.3148148148148149) internal successors, (142), 108 states have internal predecessors, (142), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 13:37:13,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 178 transitions. [2024-12-02 13:37:13,177 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 178 transitions. Word has length 92 [2024-12-02 13:37:13,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:13,177 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 178 transitions. [2024-12-02 13:37:13,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (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 13:37:13,177 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 178 transitions. [2024-12-02 13:37:13,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 13:37:13,179 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:13,179 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] [2024-12-02 13:37:13,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:13,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:13,379 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:13,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:13,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1742087958, now seen corresponding path program 1 times [2024-12-02 13:37:13,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:13,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605983185] [2024-12-02 13:37:13,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:13,380 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 13:37:13,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:13,381 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:13,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:13,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:37:13,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:13,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-12-02 13:37:13,986 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 75 treesize of output 63 [2024-12-02 13:37:13,991 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 81 treesize of output 61 [2024-12-02 13:37:14,019 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 13:37:14,019 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:14,019 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:14,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605983185] [2024-12-02 13:37:14,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [605983185] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:14,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:14,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:37:14,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980205733] [2024-12-02 13:37:14,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:14,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:37:14,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:14,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:37:14,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:37:14,021 INFO L87 Difference]: Start difference. First operand 130 states and 178 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 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 13:37:14,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:14,372 INFO L93 Difference]: Finished difference Result 295 states and 409 transitions. [2024-12-02 13:37:14,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:37:14,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 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 92 [2024-12-02 13:37:14,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:14,374 INFO L225 Difference]: With dead ends: 295 [2024-12-02 13:37:14,374 INFO L226 Difference]: Without dead ends: 215 [2024-12-02 13:37:14,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:37:14,375 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 162 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:14,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 604 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:37:14,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-12-02 13:37:14,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 208. [2024-12-02 13:37:14,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 176 states have (on average 1.3295454545454546) internal successors, (234), 176 states have internal predecessors, (234), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:37:14,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 288 transitions. [2024-12-02 13:37:14,397 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 288 transitions. Word has length 92 [2024-12-02 13:37:14,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:14,398 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 288 transitions. [2024-12-02 13:37:14,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 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 13:37:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 288 transitions. [2024-12-02 13:37:14,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 13:37:14,399 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:14,399 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] [2024-12-02 13:37:14,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:14,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:14,599 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:14,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:14,600 INFO L85 PathProgramCache]: Analyzing trace with hash 135257809, now seen corresponding path program 1 times [2024-12-02 13:37:14,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:14,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1628828642] [2024-12-02 13:37:14,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:14,600 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 13:37:14,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:14,602 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:14,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:14,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:37:14,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:15,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 13:37:16,306 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 13:37:16,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:16,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:37:16,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2024-12-02 13:37:17,009 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:37:17,009 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:17,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1628828642] [2024-12-02 13:37:17,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1628828642] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:37:17,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:37:17,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-12-02 13:37:17,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319374052] [2024-12-02 13:37:17,009 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:37:17,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:37:17,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:17,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:37:17,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:37:17,011 INFO L87 Difference]: Start difference. First operand 208 states and 288 transitions. Second operand has 17 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) [2024-12-02 13:37:22,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:22,371 INFO L93 Difference]: Finished difference Result 410 states and 567 transitions. [2024-12-02 13:37:22,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 13:37:22,372 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) Word has length 94 [2024-12-02 13:37:22,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:22,373 INFO L225 Difference]: With dead ends: 410 [2024-12-02 13:37:22,373 INFO L226 Difference]: Without dead ends: 252 [2024-12-02 13:37:22,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=199, Invalid=557, Unknown=0, NotChecked=0, Total=756 [2024-12-02 13:37:22,375 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 304 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:22,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1035 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:37:22,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-12-02 13:37:22,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 222. [2024-12-02 13:37:22,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 190 states have (on average 1.3263157894736841) internal successors, (252), 190 states have internal predecessors, (252), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:37:22,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 306 transitions. [2024-12-02 13:37:22,402 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 306 transitions. Word has length 94 [2024-12-02 13:37:22,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:22,402 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 306 transitions. [2024-12-02 13:37:22,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) [2024-12-02 13:37:22,403 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 306 transitions. [2024-12-02 13:37:22,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 13:37:22,403 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:22,404 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] [2024-12-02 13:37:22,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:22,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:22,604 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:22,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:22,604 INFO L85 PathProgramCache]: Analyzing trace with hash -875859441, now seen corresponding path program 1 times [2024-12-02 13:37:22,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:22,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203766072] [2024-12-02 13:37:22,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:22,605 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 13:37:22,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:22,606 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:22,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:22,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:37:22,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:22,927 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 13:37:22,927 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:22,927 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:22,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203766072] [2024-12-02 13:37:22,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203766072] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:22,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:22,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:37:22,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70977740] [2024-12-02 13:37:22,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:22,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:37:22,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:22,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:37:22,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:37:22,929 INFO L87 Difference]: Start difference. First operand 222 states and 306 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (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 13:37:22,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:22,994 INFO L93 Difference]: Finished difference Result 386 states and 536 transitions. [2024-12-02 13:37:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:37:22,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (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 94 [2024-12-02 13:37:22,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:22,996 INFO L225 Difference]: With dead ends: 386 [2024-12-02 13:37:22,996 INFO L226 Difference]: Without dead ends: 228 [2024-12-02 13:37:22,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 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 13:37:22,997 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:22,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 423 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:37:22,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-12-02 13:37:23,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-12-02 13:37:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 196 states have (on average 1.316326530612245) internal successors, (258), 196 states have internal predecessors, (258), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:37:23,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 312 transitions. [2024-12-02 13:37:23,014 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 312 transitions. Word has length 94 [2024-12-02 13:37:23,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:23,015 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 312 transitions. [2024-12-02 13:37:23,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (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 13:37:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 312 transitions. [2024-12-02 13:37:23,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 13:37:23,016 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:23,016 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 13:37:23,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:23,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:23,217 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:23,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:23,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1253560673, now seen corresponding path program 1 times [2024-12-02 13:37:23,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:23,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307557223] [2024-12-02 13:37:23,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:23,217 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 13:37:23,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:23,219 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:23,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:23,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:37:23,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:23,563 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 13:37:23,563 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:23,563 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:23,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [307557223] [2024-12-02 13:37:23,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [307557223] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:23,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:23,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:37:23,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120849869] [2024-12-02 13:37:23,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:23,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:37:23,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:23,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:37:23,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:37:23,565 INFO L87 Difference]: Start difference. First operand 228 states and 312 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (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 13:37:23,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:23,625 INFO L93 Difference]: Finished difference Result 398 states and 548 transitions. [2024-12-02 13:37:23,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:37:23,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (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 13:37:23,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:23,627 INFO L225 Difference]: With dead ends: 398 [2024-12-02 13:37:23,627 INFO L226 Difference]: Without dead ends: 234 [2024-12-02 13:37:23,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 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 13:37:23,628 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:23,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 423 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:37:23,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-12-02 13:37:23,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2024-12-02 13:37:23,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 202 states have (on average 1.306930693069307) internal successors, (264), 202 states have internal predecessors, (264), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:37:23,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 318 transitions. [2024-12-02 13:37:23,644 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 318 transitions. Word has length 96 [2024-12-02 13:37:23,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:23,644 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 318 transitions. [2024-12-02 13:37:23,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (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 13:37:23,645 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 318 transitions. [2024-12-02 13:37:23,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 13:37:23,646 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:23,646 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] [2024-12-02 13:37:23,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:23,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:23,846 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:23,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:23,847 INFO L85 PathProgramCache]: Analyzing trace with hash 2043975804, now seen corresponding path program 1 times [2024-12-02 13:37:23,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:23,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903682702] [2024-12-02 13:37:23,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:23,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:23,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:23,848 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:23,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:24,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 13:37:24,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:24,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:37:24,644 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 13:37:24,644 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:24,644 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:24,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903682702] [2024-12-02 13:37:24,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1903682702] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:24,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:24,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:37:24,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027648631] [2024-12-02 13:37:24,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:24,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:37:24,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:24,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:37:24,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:37:24,645 INFO L87 Difference]: Start difference. First operand 234 states and 318 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 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 13:37:24,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:24,972 INFO L93 Difference]: Finished difference Result 241 states and 324 transitions. [2024-12-02 13:37:24,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:37:24,973 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 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 98 [2024-12-02 13:37:24,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:24,975 INFO L225 Difference]: With dead ends: 241 [2024-12-02 13:37:24,975 INFO L226 Difference]: Without dead ends: 239 [2024-12-02 13:37:24,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:37:24,975 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 133 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:24,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 750 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:37:24,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-12-02 13:37:24,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 237. [2024-12-02 13:37:24,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 205 states have (on average 1.302439024390244) internal successors, (267), 205 states have internal predecessors, (267), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:37:24,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 321 transitions. [2024-12-02 13:37:24,997 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 321 transitions. Word has length 98 [2024-12-02 13:37:24,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:24,997 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 321 transitions. [2024-12-02 13:37:24,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 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 13:37:24,997 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 321 transitions. [2024-12-02 13:37:24,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 13:37:24,998 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:24,998 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] [2024-12-02 13:37:25,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:25,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:25,199 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:25,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:25,199 INFO L85 PathProgramCache]: Analyzing trace with hash 2045822846, now seen corresponding path program 1 times [2024-12-02 13:37:25,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:25,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827341612] [2024-12-02 13:37:25,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:25,200 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 13:37:25,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:25,201 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:25,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:25,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:37:25,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:25,684 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 77 treesize of output 41 [2024-12-02 13:37:25,724 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-02 13:37:25,724 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:25,724 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:25,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827341612] [2024-12-02 13:37:25,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827341612] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:25,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:25,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:37:25,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928093833] [2024-12-02 13:37:25,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:25,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:37:25,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:25,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:37:25,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:37:25,726 INFO L87 Difference]: Start difference. First operand 237 states and 321 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 13:37:30,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:37:30,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:30,343 INFO L93 Difference]: Finished difference Result 448 states and 606 transitions. [2024-12-02 13:37:30,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:37:30,344 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-12-02 13:37:30,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:30,346 INFO L225 Difference]: With dead ends: 448 [2024-12-02 13:37:30,346 INFO L226 Difference]: Without dead ends: 240 [2024-12-02 13:37:30,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 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 13:37:30,347 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 87 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:30,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 349 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 13:37:30,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-12-02 13:37:30,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 237. [2024-12-02 13:37:30,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 205 states have (on average 1.2878048780487805) internal successors, (264), 205 states have internal predecessors, (264), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:37:30,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 318 transitions. [2024-12-02 13:37:30,368 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 318 transitions. Word has length 98 [2024-12-02 13:37:30,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:30,369 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 318 transitions. [2024-12-02 13:37:30,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 13:37:30,369 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 318 transitions. [2024-12-02 13:37:30,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 13:37:30,370 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:30,370 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] [2024-12-02 13:37:30,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:30,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:30,570 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:30,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:30,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1265165704, now seen corresponding path program 1 times [2024-12-02 13:37:30,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:30,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509041366] [2024-12-02 13:37:30,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:30,571 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 13:37:30,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:30,572 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:30,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:30,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 13:37:30,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:32,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:37:32,511 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 125 treesize of output 89 [2024-12-02 13:37:32,514 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 135 treesize of output 75 [2024-12-02 13:37:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 3 proven. 89 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 13:37:32,619 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:32,898 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:32,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509041366] [2024-12-02 13:37:32,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509041366] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:32,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1927620383] [2024-12-02 13:37:32,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:32,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:37:32,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:37:32,905 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:37:32,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-02 13:37:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:33,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:37:33,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:34,087 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 77 treesize of output 41 [2024-12-02 13:37:34,176 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-02 13:37:34,177 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:34,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1927620383] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:34,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:34,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 18 [2024-12-02 13:37:34,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898499629] [2024-12-02 13:37:34,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:34,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:37:34,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:34,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:37:34,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:37:34,178 INFO L87 Difference]: Start difference. First operand 237 states and 318 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 13:37:37,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:37:38,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:37:39,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:39,015 INFO L93 Difference]: Finished difference Result 436 states and 585 transitions. [2024-12-02 13:37:39,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:37:39,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 100 [2024-12-02 13:37:39,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:39,026 INFO L225 Difference]: With dead ends: 436 [2024-12-02 13:37:39,026 INFO L226 Difference]: Without dead ends: 237 [2024-12-02 13:37:39,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 210 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:37:39,027 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 79 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:39,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 347 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 13:37:39,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-12-02 13:37:39,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 231. [2024-12-02 13:37:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 199 states have (on average 1.2814070351758795) internal successors, (255), 199 states have internal predecessors, (255), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:37:39,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 309 transitions. [2024-12-02 13:37:39,048 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 309 transitions. Word has length 100 [2024-12-02 13:37:39,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:39,048 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 309 transitions. [2024-12-02 13:37:39,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 13:37:39,049 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 309 transitions. [2024-12-02 13:37:39,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 13:37:39,050 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:39,050 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, 1] [2024-12-02 13:37:39,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:39,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-02 13:37:39,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 13:37:39,450 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:39,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:39,451 INFO L85 PathProgramCache]: Analyzing trace with hash 614464320, now seen corresponding path program 1 times [2024-12-02 13:37:39,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:39,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789865640] [2024-12-02 13:37:39,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:39,451 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 13:37:39,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:39,453 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:39,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:37:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:39,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 13:37:39,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:41,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:37:41,367 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 125 treesize of output 89 [2024-12-02 13:37:41,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 75 [2024-12-02 13:37:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 3 proven. 89 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 13:37:41,473 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:41,740 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:41,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789865640] [2024-12-02 13:37:41,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [789865640] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:41,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [863633979] [2024-12-02 13:37:41,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:41,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:37:41,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:37:41,743 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:37:41,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-02 13:37:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:42,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 13:37:42,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:43,178 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 99 treesize of output 51 [2024-12-02 13:37:43,403 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-02 13:37:43,403 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:43,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-12-02 13:37:43,937 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:37:43,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [863633979] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:37:43,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:37:43,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 9] total 27 [2024-12-02 13:37:43,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122020321] [2024-12-02 13:37:43,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:37:43,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-02 13:37:43,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:43,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-02 13:37:43,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=712, Unknown=0, NotChecked=0, Total=812 [2024-12-02 13:37:43,940 INFO L87 Difference]: Start difference. First operand 231 states and 309 transitions. Second operand has 27 states, 25 states have (on average 6.24) internal successors, (156), 26 states have internal predecessors, (156), 7 states have call successors, (26), 6 states have call predecessors, (26), 7 states have return successors, (26), 5 states have call predecessors, (26), 7 states have call successors, (26) [2024-12-02 13:37:52,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:37:54,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:37:55,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:37:57,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:37:59,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:00,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:01,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:03,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:06,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:07,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:07,711 INFO L93 Difference]: Finished difference Result 978 states and 1269 transitions. [2024-12-02 13:38:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-12-02 13:38:07,712 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 6.24) internal successors, (156), 26 states have internal predecessors, (156), 7 states have call successors, (26), 6 states have call predecessors, (26), 7 states have return successors, (26), 5 states have call predecessors, (26), 7 states have call successors, (26) Word has length 102 [2024-12-02 13:38:07,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:07,714 INFO L225 Difference]: With dead ends: 978 [2024-12-02 13:38:07,714 INFO L226 Difference]: Without dead ends: 676 [2024-12-02 13:38:07,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 311 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1868 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=881, Invalid=6091, Unknown=0, NotChecked=0, Total=6972 [2024-12-02 13:38:07,716 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 365 mSDsluCounter, 1728 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:07,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 1865 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 18.8s Time] [2024-12-02 13:38:07,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2024-12-02 13:38:07,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 455. [2024-12-02 13:38:07,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 393 states have (on average 1.2391857506361323) internal successors, (487), 395 states have internal predecessors, (487), 49 states have call successors, (49), 12 states have call predecessors, (49), 12 states have return successors, (49), 47 states have call predecessors, (49), 49 states have call successors, (49) [2024-12-02 13:38:07,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 585 transitions. [2024-12-02 13:38:07,771 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 585 transitions. Word has length 102 [2024-12-02 13:38:07,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:07,772 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 585 transitions. [2024-12-02 13:38:07,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 6.24) internal successors, (156), 26 states have internal predecessors, (156), 7 states have call successors, (26), 6 states have call predecessors, (26), 7 states have return successors, (26), 5 states have call predecessors, (26), 7 states have call successors, (26) [2024-12-02 13:38:07,772 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 585 transitions. [2024-12-02 13:38:07,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 13:38:07,773 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:07,773 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, 1] [2024-12-02 13:38:07,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:07,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-02 13:38:08,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 13:38:08,174 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:08,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:08,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1945571008, now seen corresponding path program 1 times [2024-12-02 13:38:08,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:08,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3422656] [2024-12-02 13:38:08,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:08,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:38:08,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:08,176 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:08,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:08,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:38:08,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:08,662 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 17 treesize of output 13 [2024-12-02 13:38:08,804 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-12-02 13:38:08,804 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:38:08,956 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 13:38:08,956 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:08,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [3422656] [2024-12-02 13:38:08,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [3422656] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:38:08,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:38:08,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2024-12-02 13:38:08,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069752383] [2024-12-02 13:38:08,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:08,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:38:08,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:08,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:38:08,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:38:08,957 INFO L87 Difference]: Start difference. First operand 455 states and 585 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 13:38:09,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:09,238 INFO L93 Difference]: Finished difference Result 1045 states and 1343 transitions. [2024-12-02 13:38:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:38:09,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 102 [2024-12-02 13:38:09,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:09,242 INFO L225 Difference]: With dead ends: 1045 [2024-12-02 13:38:09,242 INFO L226 Difference]: Without dead ends: 693 [2024-12-02 13:38:09,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:38:09,243 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 43 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:09,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 509 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:38:09,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-12-02 13:38:09,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 687. [2024-12-02 13:38:09,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 613 states have (on average 1.2414355628058729) internal successors, (761), 619 states have internal predecessors, (761), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 13:38:09,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 875 transitions. [2024-12-02 13:38:09,287 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 875 transitions. Word has length 102 [2024-12-02 13:38:09,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:09,287 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 875 transitions. [2024-12-02 13:38:09,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 13:38:09,287 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 875 transitions. [2024-12-02 13:38:09,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 13:38:09,288 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:09,288 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, 1] [2024-12-02 13:38:09,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:09,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:09,489 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:09,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:09,489 INFO L85 PathProgramCache]: Analyzing trace with hash 773123370, now seen corresponding path program 1 times [2024-12-02 13:38:09,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:09,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29800329] [2024-12-02 13:38:09,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:09,490 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 13:38:09,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:09,491 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:09,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:09,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:38:09,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:10,751 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 17 treesize of output 13 [2024-12-02 13:38:10,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 13:38:10,826 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 13 treesize of output 9 [2024-12-02 13:38:11,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-12-02 13:38:11,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 13:38:11,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:38:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 5 proven. 87 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 13:38:11,156 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:38:11,415 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 25 treesize of output 21 [2024-12-02 13:38:11,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-12-02 13:38:11,664 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 25 treesize of output 21 [2024-12-02 13:38:11,735 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 25 treesize of output 21 [2024-12-02 13:38:11,789 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:11,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29800329] [2024-12-02 13:38:11,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29800329] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:38:11,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1892528123] [2024-12-02 13:38:11,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:11,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:38:11,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:38:11,791 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:38:11,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-02 13:38:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:12,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:38:12,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:13,803 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 17 treesize of output 13 [2024-12-02 13:38:14,082 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 13 [2024-12-02 13:38:14,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-12-02 13:38:14,138 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 13:38:14,138 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:38:14,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1892528123] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:38:14,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:38:14,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 13 [2024-12-02 13:38:14,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172275224] [2024-12-02 13:38:14,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:14,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:38:14,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:14,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:38:14,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:38:14,139 INFO L87 Difference]: Start difference. First operand 687 states and 875 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 13:38:14,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:14,469 INFO L93 Difference]: Finished difference Result 1239 states and 1583 transitions. [2024-12-02 13:38:14,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:38:14,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 102 [2024-12-02 13:38:14,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:14,472 INFO L225 Difference]: With dead ends: 1239 [2024-12-02 13:38:14,472 INFO L226 Difference]: Without dead ends: 677 [2024-12-02 13:38:14,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 214 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-12-02 13:38:14,473 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 127 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:14,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 425 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:38:14,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2024-12-02 13:38:14,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 675. [2024-12-02 13:38:14,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 601 states have (on average 1.232945091514143) internal successors, (741), 607 states have internal predecessors, (741), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 13:38:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 855 transitions. [2024-12-02 13:38:14,530 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 855 transitions. Word has length 102 [2024-12-02 13:38:14,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:14,531 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 855 transitions. [2024-12-02 13:38:14,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 13:38:14,531 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 855 transitions. [2024-12-02 13:38:14,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 13:38:14,532 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:14,532 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, 1] [2024-12-02 13:38:14,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:14,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-02 13:38:14,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 13:38:14,933 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:14,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:14,933 INFO L85 PathProgramCache]: Analyzing trace with hash 2132138304, now seen corresponding path program 1 times [2024-12-02 13:38:14,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:14,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657255905] [2024-12-02 13:38:14,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:14,934 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 13:38:14,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:14,935 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:14,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:15,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:38:15,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:15,273 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-12-02 13:38:15,273 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:38:15,274 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:15,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657255905] [2024-12-02 13:38:15,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1657255905] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:38:15,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:38:15,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:38:15,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14581698] [2024-12-02 13:38:15,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:15,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:38:15,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:15,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:38:15,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:38:15,275 INFO L87 Difference]: Start difference. First operand 675 states and 855 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 13:38:15,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:15,475 INFO L93 Difference]: Finished difference Result 1290 states and 1634 transitions. [2024-12-02 13:38:15,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:38:15,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 102 [2024-12-02 13:38:15,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:15,477 INFO L225 Difference]: With dead ends: 1290 [2024-12-02 13:38:15,478 INFO L226 Difference]: Without dead ends: 691 [2024-12-02 13:38:15,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:38:15,479 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:15,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 464 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:38:15,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2024-12-02 13:38:15,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 675. [2024-12-02 13:38:15,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 601 states have (on average 1.2229617304492513) internal successors, (735), 607 states have internal predecessors, (735), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 13:38:15,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 849 transitions. [2024-12-02 13:38:15,527 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 849 transitions. Word has length 102 [2024-12-02 13:38:15,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:15,528 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 849 transitions. [2024-12-02 13:38:15,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 13:38:15,528 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 849 transitions. [2024-12-02 13:38:15,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 13:38:15,529 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:15,529 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, 1] [2024-12-02 13:38:15,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:15,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:15,729 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:15,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:15,730 INFO L85 PathProgramCache]: Analyzing trace with hash 116170748, now seen corresponding path program 1 times [2024-12-02 13:38:15,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:15,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413269914] [2024-12-02 13:38:15,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:15,730 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 13:38:15,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:15,732 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:15,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:38:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:16,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:38:16,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:16,293 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 76 treesize of output 40 [2024-12-02 13:38:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 20 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 13:38:16,358 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:38:16,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2024-12-02 13:38:16,529 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:38:16,530 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:16,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413269914] [2024-12-02 13:38:16,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413269914] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:38:16,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:38:16,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-12-02 13:38:16,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756200492] [2024-12-02 13:38:16,530 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:38:16,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 13:38:16,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:16,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 13:38:16,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:38:16,531 INFO L87 Difference]: Start difference. First operand 675 states and 849 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-12-02 13:38:19,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:20,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:22,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:38:22,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:22,761 INFO L93 Difference]: Finished difference Result 997 states and 1243 transitions. [2024-12-02 13:38:22,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 13:38:22,770 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 102 [2024-12-02 13:38:22,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:22,772 INFO L225 Difference]: With dead ends: 997 [2024-12-02 13:38:22,772 INFO L226 Difference]: Without dead ends: 377 [2024-12-02 13:38:22,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2024-12-02 13:38:22,773 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 84 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:22,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 589 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-12-02 13:38:22,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-12-02 13:38:22,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 367. [2024-12-02 13:38:22,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 324 states have (on average 1.2067901234567902) internal successors, (391), 326 states have internal predecessors, (391), 31 states have call successors, (31), 11 states have call predecessors, (31), 11 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-12-02 13:38:22,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 453 transitions. [2024-12-02 13:38:22,796 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 453 transitions. Word has length 102 [2024-12-02 13:38:22,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:22,796 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 453 transitions. [2024-12-02 13:38:22,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-12-02 13:38:22,797 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 453 transitions. [2024-12-02 13:38:22,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 13:38:22,797 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:22,797 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, 1, 1] [2024-12-02 13:38:22,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Ended with exit code 0 [2024-12-02 13:38:22,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:22,998 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:22,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:22,998 INFO L85 PathProgramCache]: Analyzing trace with hash -674912468, now seen corresponding path program 1 times [2024-12-02 13:38:22,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:22,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256726674] [2024-12-02 13:38:22,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:22,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:38:22,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:23,000 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:23,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-12-02 13:38:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:23,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:38:23,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:23,569 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 25 treesize of output 13 [2024-12-02 13:38:23,592 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 13:38:23,592 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:38:23,592 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:23,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [256726674] [2024-12-02 13:38:23,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [256726674] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:38:23,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:38:23,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:38:23,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88424177] [2024-12-02 13:38:23,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:23,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:38:23,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:23,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:38:23,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:38:23,594 INFO L87 Difference]: Start difference. First operand 367 states and 453 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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 13:38:23,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:23,750 INFO L93 Difference]: Finished difference Result 670 states and 828 transitions. [2024-12-02 13:38:23,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:38:23,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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 103 [2024-12-02 13:38:23,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:23,752 INFO L225 Difference]: With dead ends: 670 [2024-12-02 13:38:23,752 INFO L226 Difference]: Without dead ends: 369 [2024-12-02 13:38:23,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:38:23,753 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 49 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:23,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 280 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:38:23,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-12-02 13:38:23,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 367. [2024-12-02 13:38:23,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 324 states have (on average 1.2006172839506173) internal successors, (389), 326 states have internal predecessors, (389), 31 states have call successors, (31), 11 states have call predecessors, (31), 11 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-12-02 13:38:23,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 451 transitions. [2024-12-02 13:38:23,782 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 451 transitions. Word has length 103 [2024-12-02 13:38:23,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:23,782 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 451 transitions. [2024-12-02 13:38:23,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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 13:38:23,782 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 451 transitions. [2024-12-02 13:38:23,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 13:38:23,782 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:23,782 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, 1, 1] [2024-12-02 13:38:23,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-12-02 13:38:23,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:23,983 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:23,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:23,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1248315566, now seen corresponding path program 1 times [2024-12-02 13:38:23,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:23,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45501228] [2024-12-02 13:38:23,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:23,984 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 13:38:23,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:23,985 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:23,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-12-02 13:38:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:24,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:38:24,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:25,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 13:38:25,053 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 13:38:25,053 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:38:25,279 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 13:38:25,279 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:25,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45501228] [2024-12-02 13:38:25,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [45501228] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:38:25,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:38:25,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-12-02 13:38:25,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919916632] [2024-12-02 13:38:25,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:25,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:38:25,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:25,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:38:25,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:38:25,280 INFO L87 Difference]: Start difference. First operand 367 states and 451 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 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 13:38:25,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:25,439 INFO L93 Difference]: Finished difference Result 735 states and 898 transitions. [2024-12-02 13:38:25,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:38:25,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 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 103 [2024-12-02 13:38:25,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:25,441 INFO L225 Difference]: With dead ends: 735 [2024-12-02 13:38:25,441 INFO L226 Difference]: Without dead ends: 445 [2024-12-02 13:38:25,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:38:25,442 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 134 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:25,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 469 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:38:25,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-12-02 13:38:25,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 441. [2024-12-02 13:38:25,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 382 states have (on average 1.1806282722513088) internal successors, (451), 384 states have internal predecessors, (451), 41 states have call successors, (41), 17 states have call predecessors, (41), 17 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) [2024-12-02 13:38:25,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 533 transitions. [2024-12-02 13:38:25,491 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 533 transitions. Word has length 103 [2024-12-02 13:38:25,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:25,492 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 533 transitions. [2024-12-02 13:38:25,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 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 13:38:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 533 transitions. [2024-12-02 13:38:25,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 13:38:25,492 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:25,493 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, 1, 1, 1] [2024-12-02 13:38:25,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2024-12-02 13:38:25,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:25,693 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:25,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:25,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1632334982, now seen corresponding path program 1 times [2024-12-02 13:38:25,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:25,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729102556] [2024-12-02 13:38:25,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:25,694 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 13:38:25,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:25,696 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:25,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-12-02 13:38:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:26,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:38:26,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 13:38:26,732 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:38:26,886 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 13:38:26,886 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:26,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1729102556] [2024-12-02 13:38:26,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1729102556] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:38:26,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:38:26,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-12-02 13:38:26,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997478961] [2024-12-02 13:38:26,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:26,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:38:26,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:26,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:38:26,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:38:26,888 INFO L87 Difference]: Start difference. First operand 441 states and 533 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 13:38:27,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:27,012 INFO L93 Difference]: Finished difference Result 815 states and 979 transitions. [2024-12-02 13:38:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:38:27,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 104 [2024-12-02 13:38:27,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:27,014 INFO L225 Difference]: With dead ends: 815 [2024-12-02 13:38:27,014 INFO L226 Difference]: Without dead ends: 451 [2024-12-02 13:38:27,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:38:27,015 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 72 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:27,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 400 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:38:27,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-12-02 13:38:27,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 403. [2024-12-02 13:38:27,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 349 states have (on average 1.186246418338109) internal successors, (414), 351 states have internal predecessors, (414), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-12-02 13:38:27,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 488 transitions. [2024-12-02 13:38:27,070 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 488 transitions. Word has length 104 [2024-12-02 13:38:27,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:27,071 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 488 transitions. [2024-12-02 13:38:27,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 13:38:27,071 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 488 transitions. [2024-12-02 13:38:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 13:38:27,071 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:27,071 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, 1, 1, 1, 1] [2024-12-02 13:38:27,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-12-02 13:38:27,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:27,272 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:27,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:27,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1679916568, now seen corresponding path program 1 times [2024-12-02 13:38:27,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:27,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865901659] [2024-12-02 13:38:27,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:27,272 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 13:38:27,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:27,274 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:27,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-12-02 13:38:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:27,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:38:27,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:28,019 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 25 treesize of output 13 [2024-12-02 13:38:28,040 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 13:38:28,040 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:38:28,040 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:28,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865901659] [2024-12-02 13:38:28,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1865901659] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:38:28,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:38:28,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:38:28,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550989342] [2024-12-02 13:38:28,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:28,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:38:28,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:28,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:38:28,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:38:28,042 INFO L87 Difference]: Start difference. First operand 403 states and 488 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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 13:38:28,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:28,217 INFO L93 Difference]: Finished difference Result 727 states and 883 transitions. [2024-12-02 13:38:28,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:38:28,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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 105 [2024-12-02 13:38:28,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:28,219 INFO L225 Difference]: With dead ends: 727 [2024-12-02 13:38:28,220 INFO L226 Difference]: Without dead ends: 405 [2024-12-02 13:38:28,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:38:28,221 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 30 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:28,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 281 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:38:28,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-12-02 13:38:28,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 403. [2024-12-02 13:38:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 349 states have (on average 1.183381088825215) internal successors, (413), 351 states have internal predecessors, (413), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-12-02 13:38:28,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 487 transitions. [2024-12-02 13:38:28,283 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 487 transitions. Word has length 105 [2024-12-02 13:38:28,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:28,283 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 487 transitions. [2024-12-02 13:38:28,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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 13:38:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 487 transitions. [2024-12-02 13:38:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 13:38:28,284 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:28,284 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, 1, 1, 1, 1] [2024-12-02 13:38:28,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-12-02 13:38:28,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:28,484 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:28,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:28,485 INFO L85 PathProgramCache]: Analyzing trace with hash -978851990, now seen corresponding path program 1 times [2024-12-02 13:38:28,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:28,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547576845] [2024-12-02 13:38:28,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:28,485 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 13:38:28,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:28,487 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:28,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-12-02 13:38:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:28,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 13:38:28,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:29,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 13:38:29,173 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 14 treesize of output 10 [2024-12-02 13:38:29,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-12-02 13:38:29,451 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 13:38:29,452 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:38:29,452 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:29,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [547576845] [2024-12-02 13:38:29,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [547576845] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:38:29,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:38:29,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:38:29,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282638835] [2024-12-02 13:38:29,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:29,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:38:29,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:29,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:38:29,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:38:29,453 INFO L87 Difference]: Start difference. First operand 403 states and 487 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 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 13:38:30,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:30,398 INFO L93 Difference]: Finished difference Result 769 states and 926 transitions. [2024-12-02 13:38:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:38:30,399 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 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 105 [2024-12-02 13:38:30,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:30,401 INFO L225 Difference]: With dead ends: 769 [2024-12-02 13:38:30,402 INFO L226 Difference]: Without dead ends: 447 [2024-12-02 13:38:30,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:38:30,404 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 184 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:30,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 1349 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:38:30,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-12-02 13:38:30,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 405. [2024-12-02 13:38:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 351 states have (on average 1.1823361823361824) internal successors, (415), 353 states have internal predecessors, (415), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-12-02 13:38:30,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 489 transitions. [2024-12-02 13:38:30,455 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 489 transitions. Word has length 105 [2024-12-02 13:38:30,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:30,456 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 489 transitions. [2024-12-02 13:38:30,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 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 13:38:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 489 transitions. [2024-12-02 13:38:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-12-02 13:38:30,458 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:30,458 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:38:30,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-12-02 13:38:30,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:30,659 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:30,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:30,659 INFO L85 PathProgramCache]: Analyzing trace with hash -137577568, now seen corresponding path program 1 times [2024-12-02 13:38:30,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:30,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1210346270] [2024-12-02 13:38:30,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:30,660 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 13:38:30,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:30,662 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:30,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-12-02 13:38:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:31,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:38:31,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:31,240 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2024-12-02 13:38:31,240 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:38:31,240 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:31,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1210346270] [2024-12-02 13:38:31,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1210346270] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:38:31,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:38:31,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:38:31,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234201737] [2024-12-02 13:38:31,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:31,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:38:31,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:31,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:38:31,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:38:31,241 INFO L87 Difference]: Start difference. First operand 405 states and 489 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 13:38:31,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:31,366 INFO L93 Difference]: Finished difference Result 739 states and 899 transitions. [2024-12-02 13:38:31,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:38:31,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 195 [2024-12-02 13:38:31,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:31,368 INFO L225 Difference]: With dead ends: 739 [2024-12-02 13:38:31,368 INFO L226 Difference]: Without dead ends: 415 [2024-12-02 13:38:31,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:38:31,369 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 1 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:31,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 492 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:38:31,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-12-02 13:38:31,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2024-12-02 13:38:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 361 states have (on average 1.1634349030470914) internal successors, (420), 363 states have internal predecessors, (420), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-12-02 13:38:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 494 transitions. [2024-12-02 13:38:31,421 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 494 transitions. Word has length 195 [2024-12-02 13:38:31,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:31,422 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 494 transitions. [2024-12-02 13:38:31,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 13:38:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 494 transitions. [2024-12-02 13:38:31,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-12-02 13:38:31,423 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:31,423 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:38:31,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-12-02 13:38:31,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:31,624 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:31,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:31,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1637429794, now seen corresponding path program 1 times [2024-12-02 13:38:31,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:31,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260369073] [2024-12-02 13:38:31,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:31,625 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 13:38:31,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:31,626 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:31,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-12-02 13:38:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:32,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:38:32,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2024-12-02 13:38:32,218 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:38:32,219 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:32,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260369073] [2024-12-02 13:38:32,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260369073] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:38:32,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:38:32,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:38:32,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78285995] [2024-12-02 13:38:32,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:32,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:38:32,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:32,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:38:32,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:38:32,220 INFO L87 Difference]: Start difference. First operand 415 states and 494 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 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 13:38:32,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:32,371 INFO L93 Difference]: Finished difference Result 751 states and 896 transitions. [2024-12-02 13:38:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:38:32,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 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 195 [2024-12-02 13:38:32,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:32,373 INFO L225 Difference]: With dead ends: 751 [2024-12-02 13:38:32,374 INFO L226 Difference]: Without dead ends: 417 [2024-12-02 13:38:32,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:38:32,374 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:32,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 585 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:38:32,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-12-02 13:38:32,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 415. [2024-12-02 13:38:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 361 states have (on average 1.1523545706371192) internal successors, (416), 363 states have internal predecessors, (416), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-12-02 13:38:32,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 490 transitions. [2024-12-02 13:38:32,420 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 490 transitions. Word has length 195 [2024-12-02 13:38:32,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:32,421 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 490 transitions. [2024-12-02 13:38:32,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 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 13:38:32,421 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 490 transitions. [2024-12-02 13:38:32,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-12-02 13:38:32,422 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:32,422 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 13:38:32,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2024-12-02 13:38:32,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:32,623 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:32,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:32,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1639276836, now seen corresponding path program 1 times [2024-12-02 13:38:32,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:32,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140956994] [2024-12-02 13:38:32,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:32,624 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 13:38:32,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:32,626 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:32,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-12-02 13:38:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:33,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 13:38:33,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:34,125 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 31 treesize of output 23 [2024-12-02 13:38:34,129 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 17 treesize of output 13 [2024-12-02 13:38:34,194 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 24 treesize of output 20 [2024-12-02 13:38:34,333 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 75 treesize of output 63 [2024-12-02 13:38:34,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 66 [2024-12-02 13:38:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 16 proven. 340 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:38:34,397 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:38:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2024-12-02 13:38:34,598 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:34,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140956994] [2024-12-02 13:38:34,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140956994] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:38:34,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:38:34,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 13 [2024-12-02 13:38:34,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543583987] [2024-12-02 13:38:34,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:34,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:38:34,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:34,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:38:34,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:38:34,599 INFO L87 Difference]: Start difference. First operand 415 states and 490 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 13:38:34,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:34,853 INFO L93 Difference]: Finished difference Result 590 states and 703 transitions. [2024-12-02 13:38:34,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:38:34,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 195 [2024-12-02 13:38:34,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:34,855 INFO L225 Difference]: With dead ends: 590 [2024-12-02 13:38:34,855 INFO L226 Difference]: Without dead ends: 418 [2024-12-02 13:38:34,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:38:34,856 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 98 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:34,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 497 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:38:34,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-12-02 13:38:34,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 411. [2024-12-02 13:38:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 357 states have (on average 1.1484593837535013) internal successors, (410), 359 states have internal predecessors, (410), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-12-02 13:38:34,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 484 transitions. [2024-12-02 13:38:34,915 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 484 transitions. Word has length 195 [2024-12-02 13:38:34,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:34,915 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 484 transitions. [2024-12-02 13:38:34,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 13:38:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 484 transitions. [2024-12-02 13:38:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-12-02 13:38:34,916 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:34,917 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:38:34,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-12-02 13:38:35,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:35,117 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:35,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:35,117 INFO L85 PathProgramCache]: Analyzing trace with hash -560193953, now seen corresponding path program 1 times [2024-12-02 13:38:35,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:35,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1326608780] [2024-12-02 13:38:35,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:35,118 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 13:38:35,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:35,119 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:35,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-12-02 13:38:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:35,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 13:38:35,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:36,746 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 21 treesize of output 17 [2024-12-02 13:38:36,890 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 66 treesize of output 54 [2024-12-02 13:38:36,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 50 [2024-12-02 13:38:36,978 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 14 proven. 344 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:38:36,978 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:38:37,169 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2024-12-02 13:38:37,169 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:37,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1326608780] [2024-12-02 13:38:37,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1326608780] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:38:37,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:38:37,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2024-12-02 13:38:37,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153066715] [2024-12-02 13:38:37,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:37,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:38:37,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:37,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:38:37,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:38:37,171 INFO L87 Difference]: Start difference. First operand 411 states and 484 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 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 13:38:37,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:37,533 INFO L93 Difference]: Finished difference Result 686 states and 814 transitions. [2024-12-02 13:38:37,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:38:37,534 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 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 197 [2024-12-02 13:38:37,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:37,537 INFO L225 Difference]: With dead ends: 686 [2024-12-02 13:38:37,537 INFO L226 Difference]: Without dead ends: 518 [2024-12-02 13:38:37,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:38:37,538 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 49 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:37,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 611 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:38:37,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-12-02 13:38:37,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 473. [2024-12-02 13:38:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 416 states have (on average 1.1610576923076923) internal successors, (483), 419 states have internal predecessors, (483), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-12-02 13:38:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 561 transitions. [2024-12-02 13:38:37,597 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 561 transitions. Word has length 197 [2024-12-02 13:38:37,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:37,597 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 561 transitions. [2024-12-02 13:38:37,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 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 13:38:37,597 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 561 transitions. [2024-12-02 13:38:37,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-12-02 13:38:37,598 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:37,598 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:38:37,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-12-02 13:38:37,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:37,799 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:37,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:37,799 INFO L85 PathProgramCache]: Analyzing trace with hash -419645343, now seen corresponding path program 1 times [2024-12-02 13:38:37,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:37,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113949969] [2024-12-02 13:38:37,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:37,800 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 13:38:37,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:37,801 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:37,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-12-02 13:38:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:38,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 13:38:38,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:40,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 13:38:40,525 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 13 treesize of output 9 [2024-12-02 13:38:40,938 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 17 treesize of output 9 [2024-12-02 13:38:42,925 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 28 treesize of output 16 [2024-12-02 13:38:43,074 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 24 proven. 510 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-02 13:38:43,074 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:38:43,448 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2024-12-02 13:38:43,448 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:43,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113949969] [2024-12-02 13:38:43,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113949969] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:38:43,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:38:43,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [21] total 25 [2024-12-02 13:38:43,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207029519] [2024-12-02 13:38:43,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:43,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:38:43,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:43,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:38:43,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:38:43,450 INFO L87 Difference]: Start difference. First operand 473 states and 561 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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 13:38:43,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:43,617 INFO L93 Difference]: Finished difference Result 860 states and 1020 transitions. [2024-12-02 13:38:43,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:38:43,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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 197 [2024-12-02 13:38:43,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:43,619 INFO L225 Difference]: With dead ends: 860 [2024-12-02 13:38:43,619 INFO L226 Difference]: Without dead ends: 468 [2024-12-02 13:38:43,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2024-12-02 13:38:43,620 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 41 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:43,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 403 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:38:43,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-12-02 13:38:43,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 414. [2024-12-02 13:38:43,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 357 states have (on average 1.145658263305322) internal successors, (409), 360 states have internal predecessors, (409), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-12-02 13:38:43,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 487 transitions. [2024-12-02 13:38:43,658 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 487 transitions. Word has length 197 [2024-12-02 13:38:43,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:43,659 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 487 transitions. [2024-12-02 13:38:43,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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 13:38:43,659 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 487 transitions. [2024-12-02 13:38:43,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-12-02 13:38:43,659 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:43,660 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:38:43,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2024-12-02 13:38:43,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:43,860 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:43,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:43,861 INFO L85 PathProgramCache]: Analyzing trace with hash -830187192, now seen corresponding path program 1 times [2024-12-02 13:38:43,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:43,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087523687] [2024-12-02 13:38:43,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:43,861 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 13:38:43,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:43,863 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:43,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-12-02 13:38:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:44,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:38:44,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:44,407 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 17 treesize of output 13 [2024-12-02 13:38:44,543 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 13:38:44,543 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:38:44,543 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:44,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087523687] [2024-12-02 13:38:44,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087523687] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:38:44,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:38:44,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:38:44,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398683116] [2024-12-02 13:38:44,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:44,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:38:44,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:44,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:38:44,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:38:44,545 INFO L87 Difference]: Start difference. First operand 414 states and 487 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 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 13:38:44,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:44,812 INFO L93 Difference]: Finished difference Result 426 states and 501 transitions. [2024-12-02 13:38:44,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:38:44,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 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 201 [2024-12-02 13:38:44,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:44,815 INFO L225 Difference]: With dead ends: 426 [2024-12-02 13:38:44,815 INFO L226 Difference]: Without dead ends: 424 [2024-12-02 13:38:44,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:38:44,816 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 81 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:44,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 606 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:38:44,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-12-02 13:38:44,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 423. [2024-12-02 13:38:44,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 366 states have (on average 1.1420765027322404) internal successors, (418), 369 states have internal predecessors, (418), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-12-02 13:38:44,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 496 transitions. [2024-12-02 13:38:44,863 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 496 transitions. Word has length 201 [2024-12-02 13:38:44,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:44,864 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 496 transitions. [2024-12-02 13:38:44,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 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 13:38:44,864 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 496 transitions. [2024-12-02 13:38:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-12-02 13:38:44,865 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:44,865 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:38:44,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2024-12-02 13:38:45,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:45,065 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:45,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:45,066 INFO L85 PathProgramCache]: Analyzing trace with hash -225780426, now seen corresponding path program 1 times [2024-12-02 13:38:45,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:45,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81345257] [2024-12-02 13:38:45,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:45,066 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 13:38:45,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:45,068 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:45,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-12-02 13:38:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:45,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 13:38:45,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:46,764 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 17 treesize of output 13 [2024-12-02 13:38:46,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 13:38:46,816 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 13 treesize of output 9 [2024-12-02 13:38:47,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-12-02 13:38:47,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:38:47,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:38:47,230 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 15 proven. 345 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:38:47,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:38:47,558 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-12-02 13:38:47,558 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:47,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81345257] [2024-12-02 13:38:47,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [81345257] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:38:47,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:38:47,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2024-12-02 13:38:47,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897390168] [2024-12-02 13:38:47,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:47,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:38:47,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:47,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:38:47,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:38:47,560 INFO L87 Difference]: Start difference. First operand 423 states and 496 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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 13:38:47,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:47,967 INFO L93 Difference]: Finished difference Result 962 states and 1125 transitions. [2024-12-02 13:38:47,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:38:47,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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 201 [2024-12-02 13:38:47,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:47,971 INFO L225 Difference]: With dead ends: 962 [2024-12-02 13:38:47,971 INFO L226 Difference]: Without dead ends: 733 [2024-12-02 13:38:47,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:38:47,972 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 153 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:47,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 267 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:38:47,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-12-02 13:38:48,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 467. [2024-12-02 13:38:48,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 410 states have (on average 1.1414634146341462) internal successors, (468), 413 states have internal predecessors, (468), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-12-02 13:38:48,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 546 transitions. [2024-12-02 13:38:48,026 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 546 transitions. Word has length 201 [2024-12-02 13:38:48,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:48,026 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 546 transitions. [2024-12-02 13:38:48,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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 13:38:48,026 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 546 transitions. [2024-12-02 13:38:48,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-12-02 13:38:48,027 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:48,027 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 13:38:48,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-12-02 13:38:48,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:48,227 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:48,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:48,228 INFO L85 PathProgramCache]: Analyzing trace with hash -182007215, now seen corresponding path program 1 times [2024-12-02 13:38:48,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:48,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1248671300] [2024-12-02 13:38:48,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:48,228 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 13:38:48,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:48,230 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:48,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-12-02 13:38:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:48,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 13:38:48,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:49,976 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 17 treesize of output 13 [2024-12-02 13:38:50,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 13:38:50,029 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 13 treesize of output 9 [2024-12-02 13:38:50,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:38:50,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-12-02 13:38:50,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:38:50,207 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 24 proven. 336 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:38:50,208 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:38:50,381 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 13:38:50,492 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 13:38:50,492 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:50,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1248671300] [2024-12-02 13:38:50,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1248671300] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:38:50,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:38:50,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-12-02 13:38:50,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994657514] [2024-12-02 13:38:50,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:50,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:38:50,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:50,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:38:50,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:38:50,494 INFO L87 Difference]: Start difference. First operand 467 states and 546 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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 13:38:51,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:51,000 INFO L93 Difference]: Finished difference Result 1015 states and 1169 transitions. [2024-12-02 13:38:51,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:38:51,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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 203 [2024-12-02 13:38:51,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:51,002 INFO L225 Difference]: With dead ends: 1015 [2024-12-02 13:38:51,002 INFO L226 Difference]: Without dead ends: 604 [2024-12-02 13:38:51,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:38:51,003 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 184 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:51,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 275 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:38:51,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-12-02 13:38:51,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 336. [2024-12-02 13:38:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 293 states have (on average 1.10580204778157) internal successors, (324), 293 states have internal predecessors, (324), 27 states have call successors, (27), 15 states have call predecessors, (27), 15 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:38:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 378 transitions. [2024-12-02 13:38:51,033 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 378 transitions. Word has length 203 [2024-12-02 13:38:51,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:51,033 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 378 transitions. [2024-12-02 13:38:51,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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 13:38:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 378 transitions. [2024-12-02 13:38:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 13:38:51,034 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:51,034 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:38:51,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-12-02 13:38:51,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:51,235 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:51,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:51,235 INFO L85 PathProgramCache]: Analyzing trace with hash -340362338, now seen corresponding path program 1 times [2024-12-02 13:38:51,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:51,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426427184] [2024-12-02 13:38:51,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:51,236 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 13:38:51,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:51,237 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:51,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-12-02 13:38:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:51,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:38:51,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:51,767 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 17 treesize of output 13 [2024-12-02 13:38:51,917 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-12-02 13:38:51,918 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:38:51,918 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:51,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426427184] [2024-12-02 13:38:51,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426427184] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:38:51,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:38:51,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:38:51,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753491597] [2024-12-02 13:38:51,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:51,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:38:51,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:51,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:38:51,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:38:51,919 INFO L87 Difference]: Start difference. First operand 336 states and 378 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 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 13:38:52,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:52,383 INFO L93 Difference]: Finished difference Result 605 states and 685 transitions. [2024-12-02 13:38:52,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:38:52,384 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 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 204 [2024-12-02 13:38:52,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:52,386 INFO L225 Difference]: With dead ends: 605 [2024-12-02 13:38:52,386 INFO L226 Difference]: Without dead ends: 436 [2024-12-02 13:38:52,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:38:52,387 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 75 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:52,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 898 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:38:52,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-12-02 13:38:52,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 356. [2024-12-02 13:38:52,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 313 states have (on average 1.1054313099041533) internal successors, (346), 313 states have internal predecessors, (346), 27 states have call successors, (27), 15 states have call predecessors, (27), 15 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:38:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 400 transitions. [2024-12-02 13:38:52,417 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 400 transitions. Word has length 204 [2024-12-02 13:38:52,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:52,417 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 400 transitions. [2024-12-02 13:38:52,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 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 13:38:52,417 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 400 transitions. [2024-12-02 13:38:52,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 13:38:52,418 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:52,418 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:38:52,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-12-02 13:38:52,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:52,618 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:52,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:52,619 INFO L85 PathProgramCache]: Analyzing trace with hash 360702240, now seen corresponding path program 1 times [2024-12-02 13:38:52,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:52,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1693523580] [2024-12-02 13:38:52,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:52,619 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 13:38:52,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:52,621 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:52,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-12-02 13:38:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:53,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:38:53,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:53,141 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 17 treesize of output 13 [2024-12-02 13:38:53,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2024-12-02 13:38:53,166 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 13 treesize of output 9 [2024-12-02 13:38:53,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-12-02 13:38:53,419 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 13:38:53,419 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:38:53,419 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:53,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1693523580] [2024-12-02 13:38:53,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1693523580] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:38:53,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:38:53,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:38:53,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231381629] [2024-12-02 13:38:53,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:53,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:38:53,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:53,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:38:53,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:38:53,421 INFO L87 Difference]: Start difference. First operand 356 states and 400 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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 13:38:54,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:54,210 INFO L93 Difference]: Finished difference Result 685 states and 774 transitions. [2024-12-02 13:38:54,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:38:54,210 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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 204 [2024-12-02 13:38:54,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:54,212 INFO L225 Difference]: With dead ends: 685 [2024-12-02 13:38:54,212 INFO L226 Difference]: Without dead ends: 496 [2024-12-02 13:38:54,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:38:54,212 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 162 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:54,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1163 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:38:54,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-12-02 13:38:54,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 333. [2024-12-02 13:38:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 290 states have (on average 1.103448275862069) internal successors, (320), 290 states have internal predecessors, (320), 27 states have call successors, (27), 15 states have call predecessors, (27), 15 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:38:54,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 374 transitions. [2024-12-02 13:38:54,255 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 374 transitions. Word has length 204 [2024-12-02 13:38:54,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:54,255 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 374 transitions. [2024-12-02 13:38:54,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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 13:38:54,255 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 374 transitions. [2024-12-02 13:38:54,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 13:38:54,256 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:38:54,256 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 13:38:54,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2024-12-02 13:38:54,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:54,457 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:38:54,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:38:54,457 INFO L85 PathProgramCache]: Analyzing trace with hash 370042475, now seen corresponding path program 1 times [2024-12-02 13:38:54,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:38:54,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216898263] [2024-12-02 13:38:54,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:38:54,458 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 13:38:54,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:38:54,459 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:54,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-12-02 13:38:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:38:55,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:38:55,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:38:56,224 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 31 treesize of output 23 [2024-12-02 13:38:56,229 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 17 treesize of output 13 [2024-12-02 13:38:56,273 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 17 treesize of output 13 [2024-12-02 13:38:56,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-12-02 13:38:56,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2024-12-02 13:38:56,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 13:38:56,499 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 15 treesize of output 7 [2024-12-02 13:38:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 24 proven. 336 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:38:56,578 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:38:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 13:38:56,869 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:38:56,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216898263] [2024-12-02 13:38:56,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216898263] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:38:56,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:38:56,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2024-12-02 13:38:56,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058450320] [2024-12-02 13:38:56,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:38:56,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:38:56,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:38:56,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:38:56,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:38:56,871 INFO L87 Difference]: Start difference. First operand 333 states and 374 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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 13:38:57,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:38:57,393 INFO L93 Difference]: Finished difference Result 706 states and 790 transitions. [2024-12-02 13:38:57,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:38:57,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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 204 [2024-12-02 13:38:57,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:38:57,395 INFO L225 Difference]: With dead ends: 706 [2024-12-02 13:38:57,395 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 13:38:57,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:38:57,396 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 187 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:38:57,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 231 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:38:57,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 13:38:57,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 13:38:57,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:38:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 13:38:57,397 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2024-12-02 13:38:57,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:38:57,397 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:38:57,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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 13:38:57,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:38:57,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 13:38:57,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:38:57,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Ended with exit code 0 [2024-12-02 13:38:57,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:38:57,602 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:57,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 13:39:36,040 WARN L286 SmtUtils]: Spent 20.16s on a formula simplification. DAG size of input: 1017 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:40:05,727 WARN L286 SmtUtils]: Spent 20.06s on a formula simplification. DAG size of input: 959 DAG size of output: 110 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:40:14,151 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:40:14,168 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,169 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base [2024-12-02 13:40:14,169 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base [2024-12-02 13:40:14,171 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#9 [2024-12-02 13:40:14,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] [2024-12-02 13:40:14,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~#var_1_13~0!base,GLOBAL]]] [2024-12-02 13:40:14,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-12-02 13:40:14,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset [2024-12-02 13:40:14,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset [2024-12-02 13:40:14,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,172 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_5_Pointer~0!offset [2024-12-02 13:40:14,173 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_5~0!offset [2024-12-02 13:40:14,173 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_5~0!base [2024-12-02 13:40:14,173 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_5_Pointer~0!base [2024-12-02 13:40:14,173 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-12-02 13:40:14,173 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 13:40:14,173 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 13:40:14,173 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[BitvecLiteral[6,32]]] [2024-12-02 13:40:14,173 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,173 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,173 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,173 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 13:40:14,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 13:40:14,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base [2024-12-02 13:40:14,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base [2024-12-02 13:40:14,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset [2024-12-02 13:40:14,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset [2024-12-02 13:40:14,174 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 13:40:14,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 13:40:14,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 13:40:14,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base [2024-12-02 13:40:14,175 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base [2024-12-02 13:40:14,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset [2024-12-02 13:40:14,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset [2024-12-02 13:40:14,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#9 [2024-12-02 13:40:14,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] [2024-12-02 13:40:14,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] [2024-12-02 13:40:14,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 13:40:14,176 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 13:40:14,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base [2024-12-02 13:40:14,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base [2024-12-02 13:40:14,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset [2024-12-02 13:40:14,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset [2024-12-02 13:40:14,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 13:40:14,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 13:40:14,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 13:40:14,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 13:40:14,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#12 [2024-12-02 13:40:14,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] [2024-12-02 13:40:14,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_16_Pointer~0!base,GLOBAL]]] [2024-12-02 13:40:14,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:40:14 BoogieIcfgContainer [2024-12-02 13:40:14,179 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:40:14,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:40:14,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:40:14,180 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:40:14,181 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:36:44" (3/4) ... [2024-12-02 13:40:14,183 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 13:40:14,189 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 13:40:14,196 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-02 13:40:14,197 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 13:40:14,197 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 13:40:14,198 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 13:40:14,315 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 13:40:14,315 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 13:40:14,315 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:40:14,316 INFO L158 Benchmark]: Toolchain (without parser) took 215050.80ms. Allocated memory was 92.3MB in the beginning and 570.4MB in the end (delta: 478.2MB). Free memory was 69.2MB in the beginning and 278.6MB in the end (delta: -209.4MB). Peak memory consumption was 267.7MB. Max. memory is 16.1GB. [2024-12-02 13:40:14,316 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:40:14,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.59ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 54.4MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:40:14,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.43ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 51.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:40:14,317 INFO L158 Benchmark]: Boogie Preprocessor took 78.66ms. Allocated memory is still 92.3MB. Free memory was 51.8MB in the beginning and 46.0MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:40:14,317 INFO L158 Benchmark]: RCFGBuilder took 4642.66ms. Allocated memory is still 92.3MB. Free memory was 45.9MB in the beginning and 35.1MB in the end (delta: 10.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-12-02 13:40:14,318 INFO L158 Benchmark]: TraceAbstraction took 209870.47ms. Allocated memory was 92.3MB in the beginning and 570.4MB in the end (delta: 478.2MB). Free memory was 34.5MB in the beginning and 286.9MB in the end (delta: -252.4MB). Peak memory consumption was 314.2MB. Max. memory is 16.1GB. [2024-12-02 13:40:14,318 INFO L158 Benchmark]: Witness Printer took 135.39ms. Allocated memory is still 570.4MB. Free memory was 286.9MB in the beginning and 278.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:40:14,319 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 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.59ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 54.4MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.43ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 51.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 78.66ms. Allocated memory is still 92.3MB. Free memory was 51.8MB in the beginning and 46.0MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4642.66ms. Allocated memory is still 92.3MB. Free memory was 45.9MB in the beginning and 35.1MB in the end (delta: 10.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 209870.47ms. Allocated memory was 92.3MB in the beginning and 570.4MB in the end (delta: 478.2MB). Free memory was 34.5MB in the beginning and 286.9MB in the end (delta: -252.4MB). Peak memory consumption was 314.2MB. Max. memory is 16.1GB. * Witness Printer took 135.39ms. Allocated memory is still 570.4MB. Free memory was 286.9MB in the beginning and 278.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#9 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~#var_1_13~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_5_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_5~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_5~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_5_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[BitvecLiteral[6,32]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#9 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#12 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_16_Pointer~0!base,GLOBAL]]] * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 133.2s, OverallIterations: 33, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 71.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 3700 SdHoareTripleChecker+Valid, 55.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3683 mSDsluCounter, 18987 SdHoareTripleChecker+Invalid, 53.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14841 mSDsCounter, 381 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4559 IncrementalHoareTripleChecker+Invalid, 4944 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 381 mSolverCounterUnsat, 4146 mSDtfsCounter, 4559 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6753 GetRequests, 6336 SyntacticMatches, 8 SemanticMatches, 409 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2639 ImplicationChecksByTransitivity, 28.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=687occurred in iteration=14, InterpolantAutomatonStates: 274, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 33 MinimizatonAttempts, 1335 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 10.2s SatisfiabilityAnalysisTime, 36.8s InterpolantComputationTime, 4662 NumberOfCodeBlocks, 4662 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 6509 ConstructedInterpolants, 191 QuantifiedInterpolants, 40574 SizeOfPredicates, 283 NumberOfNonLiveVariables, 12720 ConjunctsInSsa, 407 ConjunctsInUnsatCore, 49 InterpolantComputations, 29 PerfectInterpolantSequences, 13263/16014 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 13:40:14,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75911494-2d17-45f2-8c9a-4c03d09ddb39/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 Writing output log to file Ultimate.log Result: TRUE