./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.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_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/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_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/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_f30d5b94-939e-4465-bb55-e21bc4e5d750/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 fb9f80ac793eeca68c7fd49f4ea0c37ec5912db021eb8e0a4597e07f05d1e26c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:13:14,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:13:14,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 07:13:14,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:13:14,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:13:14,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:13:14,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:13:14,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:13:14,121 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:13:14,121 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:13:14,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:13:14,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:13:14,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:13:14,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:13:14,122 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:13:14,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:13:14,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:13:14,123 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:13:14,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:13:14,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:13:14,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:13:14,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:13:14,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:13:14,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:13:14,123 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:13:14,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:13:14,123 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:13:14,124 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:13:14,124 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:13:14,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:13:14,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:13:14,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:13:14,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:13:14,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:13:14,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:13:14,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:13:14,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:13:14,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:13:14,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:13:14,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:13:14,125 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:13:14,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:13:14,125 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:13:14,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:13:14,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:13:14,125 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:13:14,125 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:13:14,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:13:14,126 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_f30d5b94-939e-4465-bb55-e21bc4e5d750/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 -> fb9f80ac793eeca68c7fd49f4ea0c37ec5912db021eb8e0a4597e07f05d1e26c [2024-12-02 07:13:14,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:13:14,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:13:14,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:13:14,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:13:14,338 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:13:14,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2024-12-02 07:13:17,136 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/data/27c0739b1/a2193ceadfb843efb6efd6efec13e4fb/FLAGf728e7c71 [2024-12-02 07:13:17,353 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:13:17,353 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2024-12-02 07:13:17,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/data/27c0739b1/a2193ceadfb843efb6efd6efec13e4fb/FLAGf728e7c71 [2024-12-02 07:13:17,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/data/27c0739b1/a2193ceadfb843efb6efd6efec13e4fb [2024-12-02 07:13:17,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:13:17,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:13:17,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:13:17,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:13:17,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:13:17,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f402df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17, skipping insertion in model container [2024-12-02 07:13:17,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,400 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:13:17,521 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_f30d5b94-939e-4465-bb55-e21bc4e5d750/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2024-12-02 07:13:17,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:13:17,586 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:13:17,593 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_f30d5b94-939e-4465-bb55-e21bc4e5d750/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2024-12-02 07:13:17,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:13:17,643 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:13:17,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17 WrapperNode [2024-12-02 07:13:17,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:13:17,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:13:17,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:13:17,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:13:17,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,698 INFO L138 Inliner]: procedures = 29, calls = 170, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 516 [2024-12-02 07:13:17,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:13:17,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:13:17,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:13:17,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:13:17,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,713 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,731 INFO L175 MemorySlicer]: Split 135 memory accesses to 6 slices as follows [2, 16, 32, 28, 21, 36]. 27 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 3, 4, 3, 3, 3]. The 18 writes are split as follows [0, 3, 4, 3, 4, 4]. [2024-12-02 07:13:17,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,751 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:13:17,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:13:17,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:13:17,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:13:17,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17" (1/1) ... [2024-12-02 07:13:17,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:13:17,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:17,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:17,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:13:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:13:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 07:13:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 07:13:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 07:13:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 07:13:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 07:13:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 07:13:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 07:13:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 07:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 07:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 07:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 07:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 07:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 07:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 07:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 07:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 07:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 07:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 07:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 07:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 07:13:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 07:13:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 07:13:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 07:13:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 07:13:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:13:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:13:17,956 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:13:17,958 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:13:18,443 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-12-02 07:13:18,443 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:13:18,455 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:13:18,455 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 07:13:18,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:13:18 BoogieIcfgContainer [2024-12-02 07:13:18,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:13:18,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:13:18,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:13:18,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:13:18,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:13:17" (1/3) ... [2024-12-02 07:13:18,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73068cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:13:18, skipping insertion in model container [2024-12-02 07:13:18,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:17" (2/3) ... [2024-12-02 07:13:18,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73068cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:13:18, skipping insertion in model container [2024-12-02 07:13:18,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:13:18" (3/3) ... [2024-12-02 07:13:18,464 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-6.i [2024-12-02 07:13:18,478 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:13:18,479 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-6.i that has 2 procedures, 122 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 07:13:18,530 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:13:18,541 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;@39b3f2c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:13:18,541 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:13:18,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:13:18,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 07:13:18,556 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:18,557 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:18,557 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:18,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:18,562 INFO L85 PathProgramCache]: Analyzing trace with hash -607756942, now seen corresponding path program 1 times [2024-12-02 07:13:18,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:18,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56690596] [2024-12-02 07:13:18,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:18,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:18,846 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 07:13:18,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:18,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56690596] [2024-12-02 07:13:18,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56690596] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:13:18,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485701000] [2024-12-02 07:13:18,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:18,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:13:18,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:18,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:13:18,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 07:13:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:19,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 07:13:19,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:13:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 07:13:19,145 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:13:19,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485701000] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:19,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:13:19,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 07:13:19,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772768430] [2024-12-02 07:13:19,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:19,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 07:13:19,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:19,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 07:13:19,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:13:19,174 INFO L87 Difference]: Start difference. First operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:13:19,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:19,202 INFO L93 Difference]: Finished difference Result 237 states and 371 transitions. [2024-12-02 07:13:19,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 07:13:19,204 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-12-02 07:13:19,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:19,209 INFO L225 Difference]: With dead ends: 237 [2024-12-02 07:13:19,209 INFO L226 Difference]: Without dead ends: 118 [2024-12-02 07:13:19,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 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 07:13:19,214 INFO L435 NwaCegarLoop]: 172 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, 172 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 07:13:19,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:13:19,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-12-02 07:13:19,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-12-02 07:13:19,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 97 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:13:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-12-02 07:13:19,245 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 158 [2024-12-02 07:13:19,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:19,246 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-12-02 07:13:19,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:13:19,246 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-12-02 07:13:19,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 07:13:19,248 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:19,248 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:19,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 07:13:19,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 07:13:19,449 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:19,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:19,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1715716112, now seen corresponding path program 1 times [2024-12-02 07:13:19,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:19,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640518957] [2024-12-02 07:13:19,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:19,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:19,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:19,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640518957] [2024-12-02 07:13:19,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640518957] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:19,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:19,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:13:19,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021370512] [2024-12-02 07:13:19,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:19,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:13:19,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:19,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:13:19,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:13:19,718 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:13:19,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:19,761 INFO L93 Difference]: Finished difference Result 235 states and 344 transitions. [2024-12-02 07:13:19,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:13:19,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-12-02 07:13:19,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:19,763 INFO L225 Difference]: With dead ends: 235 [2024-12-02 07:13:19,763 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 07:13:19,763 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 07:13:19,764 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 499 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 07:13:19,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 499 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:13:19,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 07:13:19,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-12-02 07:13:19,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:13:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-12-02 07:13:19,775 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 158 [2024-12-02 07:13:19,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:19,776 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-12-02 07:13:19,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:13:19,777 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-12-02 07:13:19,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 07:13:19,779 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:19,779 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:19,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:13:19,779 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:19,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:19,780 INFO L85 PathProgramCache]: Analyzing trace with hash -931888242, now seen corresponding path program 1 times [2024-12-02 07:13:19,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:19,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421402480] [2024-12-02 07:13:19,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:19,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:20,036 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:20,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:20,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421402480] [2024-12-02 07:13:20,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421402480] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:20,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:20,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:13:20,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717503869] [2024-12-02 07:13:20,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:20,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:13:20,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:20,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:13:20,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:13:20,038 INFO L87 Difference]: Start difference. First operand 120 states and 174 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:13:20,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:20,061 INFO L93 Difference]: Finished difference Result 237 states and 345 transitions. [2024-12-02 07:13:20,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:13:20,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-12-02 07:13:20,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:20,064 INFO L225 Difference]: With dead ends: 237 [2024-12-02 07:13:20,064 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 07:13:20,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:13:20,065 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:13:20,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:13:20,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 07:13:20,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-12-02 07:13:20,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:13:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2024-12-02 07:13:20,074 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 158 [2024-12-02 07:13:20,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:20,074 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2024-12-02 07:13:20,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:13:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2024-12-02 07:13:20,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 07:13:20,077 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:20,077 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:20,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 07:13:20,077 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:20,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:20,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1674135312, now seen corresponding path program 1 times [2024-12-02 07:13:20,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:20,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522273239] [2024-12-02 07:13:20,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:20,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:20,399 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-12-02 07:13:20,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:20,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522273239] [2024-12-02 07:13:20,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522273239] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:13:20,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107135293] [2024-12-02 07:13:20,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:20,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:13:20,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:20,402 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:13:20,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 07:13:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:20,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:13:20,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:13:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:20,671 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:13:20,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107135293] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:20,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:13:20,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-12-02 07:13:20,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238065220] [2024-12-02 07:13:20,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:20,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:13:20,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:20,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:13:20,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:13:20,674 INFO L87 Difference]: Start difference. First operand 120 states and 173 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:13:20,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:20,706 INFO L93 Difference]: Finished difference Result 239 states and 346 transitions. [2024-12-02 07:13:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:13:20,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-12-02 07:13:20,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:20,709 INFO L225 Difference]: With dead ends: 239 [2024-12-02 07:13:20,709 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 07:13:20,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:13:20,710 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 496 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 07:13:20,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 496 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:13:20,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 07:13:20,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-12-02 07:13:20,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:13:20,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 175 transitions. [2024-12-02 07:13:20,719 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 175 transitions. Word has length 158 [2024-12-02 07:13:20,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:20,720 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 175 transitions. [2024-12-02 07:13:20,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:13:20,720 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 175 transitions. [2024-12-02 07:13:20,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 07:13:20,722 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:20,722 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:20,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 07:13:20,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:13:20,923 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:20,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:20,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1776006338, now seen corresponding path program 1 times [2024-12-02 07:13:20,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:20,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744032421] [2024-12-02 07:13:20,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:20,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:21,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:21,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744032421] [2024-12-02 07:13:21,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744032421] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:21,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:21,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:13:21,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847959087] [2024-12-02 07:13:21,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:21,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:13:21,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:21,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:13:21,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:13:21,279 INFO L87 Difference]: Start difference. First operand 122 states and 175 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:13:21,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:21,337 INFO L93 Difference]: Finished difference Result 241 states and 347 transitions. [2024-12-02 07:13:21,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:13:21,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2024-12-02 07:13:21,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:21,340 INFO L225 Difference]: With dead ends: 241 [2024-12-02 07:13:21,340 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 07:13:21,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:13:21,341 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:13:21,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 481 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:13:21,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 07:13:21,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-12-02 07:13:21,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:13:21,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-12-02 07:13:21,350 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 160 [2024-12-02 07:13:21,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:21,350 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-12-02 07:13:21,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:13:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-12-02 07:13:21,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 07:13:21,352 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:21,352 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:21,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 07:13:21,352 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:21,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:21,353 INFO L85 PathProgramCache]: Analyzing trace with hash 187658436, now seen corresponding path program 1 times [2024-12-02 07:13:21,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:21,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471511113] [2024-12-02 07:13:21,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:21,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:23,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:23,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471511113] [2024-12-02 07:13:23,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471511113] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:23,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:23,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 07:13:23,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292998855] [2024-12-02 07:13:23,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:23,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 07:13:23,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:23,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 07:13:23,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:13:23,481 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 07:13:23,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:23,921 INFO L93 Difference]: Finished difference Result 348 states and 497 transitions. [2024-12-02 07:13:23,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 07:13:23,921 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 160 [2024-12-02 07:13:23,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:23,923 INFO L225 Difference]: With dead ends: 348 [2024-12-02 07:13:23,923 INFO L226 Difference]: Without dead ends: 229 [2024-12-02 07:13:23,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:13:23,924 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 130 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:13:23,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1610 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:13:23,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-12-02 07:13:23,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 226. [2024-12-02 07:13:23,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 190 states have (on average 1.3473684210526315) internal successors, (256), 191 states have internal predecessors, (256), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-02 07:13:23,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 322 transitions. [2024-12-02 07:13:23,944 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 322 transitions. Word has length 160 [2024-12-02 07:13:23,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:23,944 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 322 transitions. [2024-12-02 07:13:23,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 07:13:23,944 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 322 transitions. [2024-12-02 07:13:23,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 07:13:23,946 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:23,946 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:23,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 07:13:23,946 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:23,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:23,947 INFO L85 PathProgramCache]: Analyzing trace with hash -938376661, now seen corresponding path program 1 times [2024-12-02 07:13:23,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:23,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540304032] [2024-12-02 07:13:23,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:23,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-12-02 07:13:29,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:29,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540304032] [2024-12-02 07:13:29,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540304032] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:29,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:29,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 07:13:29,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339433728] [2024-12-02 07:13:29,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:29,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 07:13:29,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:29,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 07:13:29,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-12-02 07:13:29,098 INFO L87 Difference]: Start difference. First operand 226 states and 322 transitions. Second operand has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:13:38,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 07:13:43,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:43,739 INFO L93 Difference]: Finished difference Result 920 states and 1309 transitions. [2024-12-02 07:13:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-02 07:13:43,740 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 160 [2024-12-02 07:13:43,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:43,745 INFO L225 Difference]: With dead ends: 920 [2024-12-02 07:13:43,745 INFO L226 Difference]: Without dead ends: 697 [2024-12-02 07:13:43,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=188, Invalid=1144, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 07:13:43,752 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 745 mSDsluCounter, 1486 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 1447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:13:43,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 1650 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 1447 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2024-12-02 07:13:43,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-12-02 07:13:43,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 516. [2024-12-02 07:13:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 427 states have (on average 1.334894613583138) internal successors, (570), 430 states have internal predecessors, (570), 82 states have call successors, (82), 6 states have call predecessors, (82), 6 states have return successors, (82), 79 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 07:13:43,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 734 transitions. [2024-12-02 07:13:43,830 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 734 transitions. Word has length 160 [2024-12-02 07:13:43,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:43,831 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 734 transitions. [2024-12-02 07:13:43,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:13:43,831 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 734 transitions. [2024-12-02 07:13:43,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 07:13:43,833 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:43,833 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:43,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 07:13:43,833 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:43,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:43,834 INFO L85 PathProgramCache]: Analyzing trace with hash -789930225, now seen corresponding path program 1 times [2024-12-02 07:13:43,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:43,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078373728] [2024-12-02 07:13:43,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:43,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:45,175 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:45,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:45,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078373728] [2024-12-02 07:13:45,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078373728] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:45,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:45,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 07:13:45,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471351813] [2024-12-02 07:13:45,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:45,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 07:13:45,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:45,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 07:13:45,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:13:45,178 INFO L87 Difference]: Start difference. First operand 516 states and 734 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 07:13:46,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:46,032 INFO L93 Difference]: Finished difference Result 872 states and 1239 transitions. [2024-12-02 07:13:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 07:13:46,033 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 161 [2024-12-02 07:13:46,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:46,036 INFO L225 Difference]: With dead ends: 872 [2024-12-02 07:13:46,036 INFO L226 Difference]: Without dead ends: 569 [2024-12-02 07:13:46,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-12-02 07:13:46,037 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 331 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:13:46,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 1147 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 07:13:46,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-12-02 07:13:46,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 539. [2024-12-02 07:13:46,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 450 states have (on average 1.3355555555555556) internal successors, (601), 453 states have internal predecessors, (601), 82 states have call successors, (82), 6 states have call predecessors, (82), 6 states have return successors, (82), 79 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 07:13:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 765 transitions. [2024-12-02 07:13:46,082 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 765 transitions. Word has length 161 [2024-12-02 07:13:46,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:46,083 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 765 transitions. [2024-12-02 07:13:46,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 07:13:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 765 transitions. [2024-12-02 07:13:46,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 07:13:46,085 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:46,085 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:46,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 07:13:46,085 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:46,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:46,086 INFO L85 PathProgramCache]: Analyzing trace with hash -949690418, now seen corresponding path program 1 times [2024-12-02 07:13:46,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:46,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95569230] [2024-12-02 07:13:46,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:46,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:46,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:46,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95569230] [2024-12-02 07:13:46,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95569230] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:46,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:46,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 07:13:46,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180596232] [2024-12-02 07:13:46,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:46,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 07:13:46,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:46,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 07:13:46,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:13:46,620 INFO L87 Difference]: Start difference. First operand 539 states and 765 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:13:47,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:47,111 INFO L93 Difference]: Finished difference Result 1458 states and 2069 transitions. [2024-12-02 07:13:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 07:13:47,112 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 161 [2024-12-02 07:13:47,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:47,118 INFO L225 Difference]: With dead ends: 1458 [2024-12-02 07:13:47,118 INFO L226 Difference]: Without dead ends: 1050 [2024-12-02 07:13:47,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-12-02 07:13:47,120 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 266 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:13:47,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 750 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:13:47,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2024-12-02 07:13:47,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 961. [2024-12-02 07:13:47,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 805 states have (on average 1.3316770186335403) internal successors, (1072), 811 states have internal predecessors, (1072), 145 states have call successors, (145), 10 states have call predecessors, (145), 10 states have return successors, (145), 139 states have call predecessors, (145), 145 states have call successors, (145) [2024-12-02 07:13:47,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1362 transitions. [2024-12-02 07:13:47,253 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1362 transitions. Word has length 161 [2024-12-02 07:13:47,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:47,253 INFO L471 AbstractCegarLoop]: Abstraction has 961 states and 1362 transitions. [2024-12-02 07:13:47,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:13:47,253 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1362 transitions. [2024-12-02 07:13:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 07:13:47,255 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:47,255 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:47,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 07:13:47,255 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:47,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:47,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1656333136, now seen corresponding path program 1 times [2024-12-02 07:13:47,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:47,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889499316] [2024-12-02 07:13:47,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:47,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:47,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:47,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889499316] [2024-12-02 07:13:47,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889499316] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:47,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:47,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 07:13:47,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289951212] [2024-12-02 07:13:47,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:47,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:13:47,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:47,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:13:47,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:13:47,667 INFO L87 Difference]: Start difference. First operand 961 states and 1362 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:13:47,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:47,959 INFO L93 Difference]: Finished difference Result 2545 states and 3630 transitions. [2024-12-02 07:13:47,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 07:13:47,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 161 [2024-12-02 07:13:47,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:47,969 INFO L225 Difference]: With dead ends: 2545 [2024-12-02 07:13:47,969 INFO L226 Difference]: Without dead ends: 1795 [2024-12-02 07:13:47,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:13:47,972 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 162 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:13:47,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1298 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:13:47,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2024-12-02 07:13:48,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1771. [2024-12-02 07:13:48,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1771 states, 1481 states have (on average 1.3328831870357867) internal successors, (1974), 1493 states have internal predecessors, (1974), 271 states have call successors, (271), 18 states have call predecessors, (271), 18 states have return successors, (271), 259 states have call predecessors, (271), 271 states have call successors, (271) [2024-12-02 07:13:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1771 states and 2516 transitions. [2024-12-02 07:13:48,202 INFO L78 Accepts]: Start accepts. Automaton has 1771 states and 2516 transitions. Word has length 161 [2024-12-02 07:13:48,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:48,202 INFO L471 AbstractCegarLoop]: Abstraction has 1771 states and 2516 transitions. [2024-12-02 07:13:48,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:13:48,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2516 transitions. [2024-12-02 07:13:48,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 07:13:48,204 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:48,204 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:48,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 07:13:48,205 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:48,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:48,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1627516910, now seen corresponding path program 1 times [2024-12-02 07:13:48,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:48,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125015018] [2024-12-02 07:13:48,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:48,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:48,954 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:48,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:48,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125015018] [2024-12-02 07:13:48,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125015018] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:48,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:48,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 07:13:48,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737793077] [2024-12-02 07:13:48,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:48,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 07:13:48,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:48,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 07:13:48,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:13:48,955 INFO L87 Difference]: Start difference. First operand 1771 states and 2516 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:13:49,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:49,467 INFO L93 Difference]: Finished difference Result 2986 states and 4243 transitions. [2024-12-02 07:13:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 07:13:49,467 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 161 [2024-12-02 07:13:49,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:49,475 INFO L225 Difference]: With dead ends: 2986 [2024-12-02 07:13:49,475 INFO L226 Difference]: Without dead ends: 1933 [2024-12-02 07:13:49,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-12-02 07:13:49,478 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 235 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:13:49,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 901 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:13:49,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2024-12-02 07:13:49,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1759. [2024-12-02 07:13:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1759 states, 1469 states have (on average 1.328795098706603) internal successors, (1952), 1481 states have internal predecessors, (1952), 271 states have call successors, (271), 18 states have call predecessors, (271), 18 states have return successors, (271), 259 states have call predecessors, (271), 271 states have call successors, (271) [2024-12-02 07:13:49,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2494 transitions. [2024-12-02 07:13:49,614 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2494 transitions. Word has length 161 [2024-12-02 07:13:49,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:49,615 INFO L471 AbstractCegarLoop]: Abstraction has 1759 states and 2494 transitions. [2024-12-02 07:13:49,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:13:49,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2494 transitions. [2024-12-02 07:13:49,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 07:13:49,616 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:49,616 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:49,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 07:13:49,616 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:49,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:49,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1083703924, now seen corresponding path program 1 times [2024-12-02 07:13:49,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:49,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895542865] [2024-12-02 07:13:49,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:49,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:50,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:50,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895542865] [2024-12-02 07:13:50,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895542865] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:50,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:50,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 07:13:50,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332655526] [2024-12-02 07:13:50,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:50,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 07:13:50,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:50,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 07:13:50,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:13:50,301 INFO L87 Difference]: Start difference. First operand 1759 states and 2494 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:13:50,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:50,986 INFO L93 Difference]: Finished difference Result 2374 states and 3372 transitions. [2024-12-02 07:13:50,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 07:13:50,987 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 161 [2024-12-02 07:13:50,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:50,992 INFO L225 Difference]: With dead ends: 2374 [2024-12-02 07:13:50,992 INFO L226 Difference]: Without dead ends: 1745 [2024-12-02 07:13:50,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-12-02 07:13:50,994 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 162 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:13:50,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1051 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 07:13:50,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2024-12-02 07:13:51,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 1743. [2024-12-02 07:13:51,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1743 states, 1453 states have (on average 1.3269098417068135) internal successors, (1928), 1465 states have internal predecessors, (1928), 271 states have call successors, (271), 18 states have call predecessors, (271), 18 states have return successors, (271), 259 states have call predecessors, (271), 271 states have call successors, (271) [2024-12-02 07:13:51,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2470 transitions. [2024-12-02 07:13:51,267 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2470 transitions. Word has length 161 [2024-12-02 07:13:51,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:51,268 INFO L471 AbstractCegarLoop]: Abstraction has 1743 states and 2470 transitions. [2024-12-02 07:13:51,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:13:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2470 transitions. [2024-12-02 07:13:51,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 07:13:51,270 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:51,270 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:51,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 07:13:51,271 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:51,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:51,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1761530416, now seen corresponding path program 1 times [2024-12-02 07:13:51,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:51,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386344911] [2024-12-02 07:13:51,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:51,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:52,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:52,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386344911] [2024-12-02 07:13:52,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386344911] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:52,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:52,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 07:13:52,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485712217] [2024-12-02 07:13:52,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:52,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 07:13:52,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:52,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 07:13:52,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:13:52,225 INFO L87 Difference]: Start difference. First operand 1743 states and 2470 transitions. Second operand has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:13:53,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:53,071 INFO L93 Difference]: Finished difference Result 2478 states and 3514 transitions. [2024-12-02 07:13:53,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 07:13:53,072 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 161 [2024-12-02 07:13:53,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:53,077 INFO L225 Difference]: With dead ends: 2478 [2024-12-02 07:13:53,077 INFO L226 Difference]: Without dead ends: 1863 [2024-12-02 07:13:53,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-12-02 07:13:53,079 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 312 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:13:53,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 1103 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 07:13:53,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1863 states. [2024-12-02 07:13:53,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1863 to 1777. [2024-12-02 07:13:53,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1777 states, 1471 states have (on average 1.3201903467029232) internal successors, (1942), 1483 states have internal predecessors, (1942), 283 states have call successors, (283), 22 states have call predecessors, (283), 22 states have return successors, (283), 271 states have call predecessors, (283), 283 states have call successors, (283) [2024-12-02 07:13:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 2508 transitions. [2024-12-02 07:13:53,286 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 2508 transitions. Word has length 161 [2024-12-02 07:13:53,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:53,286 INFO L471 AbstractCegarLoop]: Abstraction has 1777 states and 2508 transitions. [2024-12-02 07:13:53,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 12 states have internal predecessors, (69), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:13:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2508 transitions. [2024-12-02 07:13:53,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 07:13:53,288 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:53,288 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:53,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 07:13:53,289 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:53,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:53,289 INFO L85 PathProgramCache]: Analyzing trace with hash 549334998, now seen corresponding path program 1 times [2024-12-02 07:13:53,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:53,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141208146] [2024-12-02 07:13:53,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:53,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:53,487 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-12-02 07:13:53,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:53,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141208146] [2024-12-02 07:13:53,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141208146] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:13:53,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598558575] [2024-12-02 07:13:53,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:53,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:13:53,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:53,489 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:13:53,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 07:13:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:53,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 07:13:53,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:13:53,743 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:53,744 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:13:53,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598558575] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:53,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:13:53,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 07:13:53,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230679650] [2024-12-02 07:13:53,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:53,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:13:53,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:53,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:13:53,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:13:53,745 INFO L87 Difference]: Start difference. First operand 1777 states and 2508 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:13:53,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:53,934 INFO L93 Difference]: Finished difference Result 3261 states and 4621 transitions. [2024-12-02 07:13:53,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:13:53,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-12-02 07:13:53,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:53,943 INFO L225 Difference]: With dead ends: 3261 [2024-12-02 07:13:53,943 INFO L226 Difference]: Without dead ends: 1825 [2024-12-02 07:13:53,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 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 07:13:53,947 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 651 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 07:13:53,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 651 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:13:53,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2024-12-02 07:13:54,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1825. [2024-12-02 07:13:54,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1519 states have (on average 1.3100724160631996) internal successors, (1990), 1531 states have internal predecessors, (1990), 283 states have call successors, (283), 22 states have call predecessors, (283), 22 states have return successors, (283), 271 states have call predecessors, (283), 283 states have call successors, (283) [2024-12-02 07:13:54,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2556 transitions. [2024-12-02 07:13:54,139 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2556 transitions. Word has length 162 [2024-12-02 07:13:54,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:54,140 INFO L471 AbstractCegarLoop]: Abstraction has 1825 states and 2556 transitions. [2024-12-02 07:13:54,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:13:54,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2556 transitions. [2024-12-02 07:13:54,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 07:13:54,142 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:54,142 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:54,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 07:13:54,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 07:13:54,343 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:54,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:54,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1145508905, now seen corresponding path program 1 times [2024-12-02 07:13:54,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:54,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572571923] [2024-12-02 07:13:54,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:54,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:55,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:55,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572571923] [2024-12-02 07:13:55,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572571923] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:55,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:55,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 07:13:55,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909550933] [2024-12-02 07:13:55,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:55,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 07:13:55,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:55,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 07:13:55,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:13:55,489 INFO L87 Difference]: Start difference. First operand 1825 states and 2556 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 07:13:56,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:56,501 INFO L93 Difference]: Finished difference Result 3161 states and 4426 transitions. [2024-12-02 07:13:56,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 07:13:56,502 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 162 [2024-12-02 07:13:56,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:56,508 INFO L225 Difference]: With dead ends: 3161 [2024-12-02 07:13:56,508 INFO L226 Difference]: Without dead ends: 1865 [2024-12-02 07:13:56,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-12-02 07:13:56,511 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 389 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:13:56,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 1088 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 07:13:56,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2024-12-02 07:13:56,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 1805. [2024-12-02 07:13:56,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1805 states, 1499 states have (on average 1.306204136090727) internal successors, (1958), 1511 states have internal predecessors, (1958), 283 states have call successors, (283), 22 states have call predecessors, (283), 22 states have return successors, (283), 271 states have call predecessors, (283), 283 states have call successors, (283) [2024-12-02 07:13:56,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2524 transitions. [2024-12-02 07:13:56,715 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2524 transitions. Word has length 162 [2024-12-02 07:13:56,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:56,715 INFO L471 AbstractCegarLoop]: Abstraction has 1805 states and 2524 transitions. [2024-12-02 07:13:56,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 07:13:56,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2524 transitions. [2024-12-02 07:13:56,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 07:13:56,717 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:56,717 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:56,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 07:13:56,717 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:56,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:56,718 INFO L85 PathProgramCache]: Analyzing trace with hash -2014323788, now seen corresponding path program 1 times [2024-12-02 07:13:56,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:56,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180668925] [2024-12-02 07:13:56,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:56,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:57,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:57,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180668925] [2024-12-02 07:13:57,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180668925] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:57,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:57,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 07:13:57,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571342468] [2024-12-02 07:13:57,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:57,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 07:13:57,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:57,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 07:13:57,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:13:57,558 INFO L87 Difference]: Start difference. First operand 1805 states and 2524 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:13:58,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:58,136 INFO L93 Difference]: Finished difference Result 3836 states and 5371 transitions. [2024-12-02 07:13:58,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 07:13:58,136 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 163 [2024-12-02 07:13:58,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:58,143 INFO L225 Difference]: With dead ends: 3836 [2024-12-02 07:13:58,143 INFO L226 Difference]: Without dead ends: 2604 [2024-12-02 07:13:58,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-12-02 07:13:58,145 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 114 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:13:58,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 1700 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:13:58,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2604 states. [2024-12-02 07:13:58,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2604 to 2582. [2024-12-02 07:13:58,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2582 states, 2204 states have (on average 1.311705989110708) internal successors, (2891), 2224 states have internal predecessors, (2891), 347 states have call successors, (347), 30 states have call predecessors, (347), 30 states have return successors, (347), 327 states have call predecessors, (347), 347 states have call successors, (347) [2024-12-02 07:13:58,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2582 states and 3585 transitions. [2024-12-02 07:13:58,352 INFO L78 Accepts]: Start accepts. Automaton has 2582 states and 3585 transitions. Word has length 163 [2024-12-02 07:13:58,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:58,353 INFO L471 AbstractCegarLoop]: Abstraction has 2582 states and 3585 transitions. [2024-12-02 07:13:58,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:13:58,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 3585 transitions. [2024-12-02 07:13:58,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 07:13:58,355 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:58,355 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:58,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 07:13:58,355 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:13:58,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:58,356 INFO L85 PathProgramCache]: Analyzing trace with hash -258876517, now seen corresponding path program 1 times [2024-12-02 07:13:58,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:58,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667416906] [2024-12-02 07:13:58,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:58,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:59,322 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:13:59,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:59,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667416906] [2024-12-02 07:13:59,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667416906] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:59,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:59,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 07:13:59,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304554600] [2024-12-02 07:13:59,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:59,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 07:13:59,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:59,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 07:13:59,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:13:59,324 INFO L87 Difference]: Start difference. First operand 2582 states and 3585 transitions. Second operand has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:00,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:00,375 INFO L93 Difference]: Finished difference Result 4540 states and 6324 transitions. [2024-12-02 07:14:00,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 07:14:00,376 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 163 [2024-12-02 07:14:00,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:00,384 INFO L225 Difference]: With dead ends: 4540 [2024-12-02 07:14:00,385 INFO L226 Difference]: Without dead ends: 3870 [2024-12-02 07:14:00,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-12-02 07:14:00,387 INFO L435 NwaCegarLoop]: 405 mSDtfsCounter, 290 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 2332 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:00,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 2332 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 07:14:00,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3870 states. [2024-12-02 07:14:00,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3870 to 3852. [2024-12-02 07:14:00,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3852 states, 3304 states have (on average 1.3141646489104115) internal successors, (4342), 3334 states have internal predecessors, (4342), 505 states have call successors, (505), 42 states have call predecessors, (505), 42 states have return successors, (505), 475 states have call predecessors, (505), 505 states have call successors, (505) [2024-12-02 07:14:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3852 states to 3852 states and 5352 transitions. [2024-12-02 07:14:00,592 INFO L78 Accepts]: Start accepts. Automaton has 3852 states and 5352 transitions. Word has length 163 [2024-12-02 07:14:00,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:00,592 INFO L471 AbstractCegarLoop]: Abstraction has 3852 states and 5352 transitions. [2024-12-02 07:14:00,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:00,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3852 states and 5352 transitions. [2024-12-02 07:14:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 07:14:00,594 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:00,594 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:00,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 07:14:00,595 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:00,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:00,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1664351517, now seen corresponding path program 1 times [2024-12-02 07:14:00,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:00,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038368503] [2024-12-02 07:14:00,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:00,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:00,788 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:14:00,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:00,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038368503] [2024-12-02 07:14:00,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038368503] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:00,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:00,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:14:00,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895440566] [2024-12-02 07:14:00,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:00,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:14:00,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:00,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:14:00,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:14:00,790 INFO L87 Difference]: Start difference. First operand 3852 states and 5352 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:00,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:00,983 INFO L93 Difference]: Finished difference Result 5696 states and 7941 transitions. [2024-12-02 07:14:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:14:00,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 163 [2024-12-02 07:14:00,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:00,995 INFO L225 Difference]: With dead ends: 5696 [2024-12-02 07:14:00,995 INFO L226 Difference]: Without dead ends: 3780 [2024-12-02 07:14:00,998 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 07:14:00,998 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:00,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 473 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:01,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3780 states. [2024-12-02 07:14:01,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3780 to 3190. [2024-12-02 07:14:01,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3190 states, 2727 states have (on average 1.312064539787312) internal successors, (3578), 2752 states have internal predecessors, (3578), 426 states have call successors, (426), 36 states have call predecessors, (426), 36 states have return successors, (426), 401 states have call predecessors, (426), 426 states have call successors, (426) [2024-12-02 07:14:01,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 3190 states and 4430 transitions. [2024-12-02 07:14:01,314 INFO L78 Accepts]: Start accepts. Automaton has 3190 states and 4430 transitions. Word has length 163 [2024-12-02 07:14:01,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:01,314 INFO L471 AbstractCegarLoop]: Abstraction has 3190 states and 4430 transitions. [2024-12-02 07:14:01,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:01,314 INFO L276 IsEmpty]: Start isEmpty. Operand 3190 states and 4430 transitions. [2024-12-02 07:14:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 07:14:01,316 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:01,316 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:01,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 07:14:01,316 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:01,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:01,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1991691534, now seen corresponding path program 1 times [2024-12-02 07:14:01,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:01,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284087339] [2024-12-02 07:14:01,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:01,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-12-02 07:14:01,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:01,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284087339] [2024-12-02 07:14:01,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284087339] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:14:01,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627668968] [2024-12-02 07:14:01,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:01,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:14:01,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:14:01,743 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:14:01,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 07:14:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:02,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 07:14:02,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:14:02,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 07:14:02,423 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:14:02,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 32 [2024-12-02 07:14:02,578 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:14:02,578 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 37 treesize of output 19 [2024-12-02 07:14:02,602 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 276 proven. 18 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-12-02 07:14:02,602 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:14:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 87 proven. 18 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-12-02 07:14:03,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627668968] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:14:03,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:14:03,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 12] total 25 [2024-12-02 07:14:03,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823116777] [2024-12-02 07:14:03,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:14:03,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 07:14:03,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:03,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 07:14:03,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=455, Unknown=0, NotChecked=0, Total=600 [2024-12-02 07:14:03,101 INFO L87 Difference]: Start difference. First operand 3190 states and 4430 transitions. Second operand has 25 states, 21 states have (on average 6.809523809523809) internal successors, (143), 24 states have internal predecessors, (143), 9 states have call successors, (57), 4 states have call predecessors, (57), 8 states have return successors, (57), 6 states have call predecessors, (57), 9 states have call successors, (57) [2024-12-02 07:14:04,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:04,040 INFO L93 Difference]: Finished difference Result 5491 states and 7618 transitions. [2024-12-02 07:14:04,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 07:14:04,041 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 6.809523809523809) internal successors, (143), 24 states have internal predecessors, (143), 9 states have call successors, (57), 4 states have call predecessors, (57), 8 states have return successors, (57), 6 states have call predecessors, (57), 9 states have call successors, (57) Word has length 163 [2024-12-02 07:14:04,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:04,056 INFO L225 Difference]: With dead ends: 5491 [2024-12-02 07:14:04,056 INFO L226 Difference]: Without dead ends: 3141 [2024-12-02 07:14:04,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 309 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=256, Invalid=736, Unknown=0, NotChecked=0, Total=992 [2024-12-02 07:14:04,061 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 480 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 1446 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:04,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 1446 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 07:14:04,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3141 states. [2024-12-02 07:14:04,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3141 to 3105. [2024-12-02 07:14:04,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3105 states, 2635 states have (on average 1.30853889943074) internal successors, (3448), 2657 states have internal predecessors, (3448), 427 states have call successors, (427), 42 states have call predecessors, (427), 42 states have return successors, (427), 405 states have call predecessors, (427), 427 states have call successors, (427) [2024-12-02 07:14:04,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 3105 states and 4302 transitions. [2024-12-02 07:14:04,348 INFO L78 Accepts]: Start accepts. Automaton has 3105 states and 4302 transitions. Word has length 163 [2024-12-02 07:14:04,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:04,349 INFO L471 AbstractCegarLoop]: Abstraction has 3105 states and 4302 transitions. [2024-12-02 07:14:04,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 6.809523809523809) internal successors, (143), 24 states have internal predecessors, (143), 9 states have call successors, (57), 4 states have call predecessors, (57), 8 states have return successors, (57), 6 states have call predecessors, (57), 9 states have call successors, (57) [2024-12-02 07:14:04,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 4302 transitions. [2024-12-02 07:14:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 07:14:04,351 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:04,351 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:04,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 07:14:04,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:14:04,551 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:04,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:04,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1360022434, now seen corresponding path program 1 times [2024-12-02 07:14:04,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:04,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259985216] [2024-12-02 07:14:04,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:04,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:05,066 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:14:05,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:05,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259985216] [2024-12-02 07:14:05,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259985216] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:05,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:05,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 07:14:05,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924567910] [2024-12-02 07:14:05,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:05,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 07:14:05,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:05,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 07:14:05,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:14:05,067 INFO L87 Difference]: Start difference. First operand 3105 states and 4302 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:06,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:06,030 INFO L93 Difference]: Finished difference Result 5213 states and 7194 transitions. [2024-12-02 07:14:06,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 07:14:06,030 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-12-02 07:14:06,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:06,041 INFO L225 Difference]: With dead ends: 5213 [2024-12-02 07:14:06,041 INFO L226 Difference]: Without dead ends: 4345 [2024-12-02 07:14:06,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2024-12-02 07:14:06,043 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 418 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1926 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:06,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1926 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 07:14:06,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4345 states. [2024-12-02 07:14:06,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4345 to 3977. [2024-12-02 07:14:06,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3977 states, 3385 states have (on average 1.3069423929098967) internal successors, (4424), 3413 states have internal predecessors, (4424), 539 states have call successors, (539), 52 states have call predecessors, (539), 52 states have return successors, (539), 511 states have call predecessors, (539), 539 states have call successors, (539) [2024-12-02 07:14:06,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3977 states to 3977 states and 5502 transitions. [2024-12-02 07:14:06,266 INFO L78 Accepts]: Start accepts. Automaton has 3977 states and 5502 transitions. Word has length 164 [2024-12-02 07:14:06,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:06,267 INFO L471 AbstractCegarLoop]: Abstraction has 3977 states and 5502 transitions. [2024-12-02 07:14:06,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:06,267 INFO L276 IsEmpty]: Start isEmpty. Operand 3977 states and 5502 transitions. [2024-12-02 07:14:06,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 07:14:06,268 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:06,268 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:06,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 07:14:06,268 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:06,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:06,268 INFO L85 PathProgramCache]: Analyzing trace with hash -2037848926, now seen corresponding path program 1 times [2024-12-02 07:14:06,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:06,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415639073] [2024-12-02 07:14:06,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:06,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:06,770 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:14:06,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:06,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415639073] [2024-12-02 07:14:06,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415639073] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:06,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:06,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 07:14:06,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379142108] [2024-12-02 07:14:06,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:06,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 07:14:06,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:06,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 07:14:06,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:14:06,772 INFO L87 Difference]: Start difference. First operand 3977 states and 5502 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:07,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:07,933 INFO L93 Difference]: Finished difference Result 6005 states and 8290 transitions. [2024-12-02 07:14:07,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 07:14:07,934 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-12-02 07:14:07,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:07,943 INFO L225 Difference]: With dead ends: 6005 [2024-12-02 07:14:07,943 INFO L226 Difference]: Without dead ends: 4327 [2024-12-02 07:14:07,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2024-12-02 07:14:07,947 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 475 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 1863 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:07,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 1863 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 07:14:07,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4327 states. [2024-12-02 07:14:08,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4327 to 3959. [2024-12-02 07:14:08,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3959 states, 3367 states have (on average 1.305019305019305) internal successors, (4394), 3395 states have internal predecessors, (4394), 539 states have call successors, (539), 52 states have call predecessors, (539), 52 states have return successors, (539), 511 states have call predecessors, (539), 539 states have call successors, (539) [2024-12-02 07:14:08,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3959 states to 3959 states and 5472 transitions. [2024-12-02 07:14:08,186 INFO L78 Accepts]: Start accepts. Automaton has 3959 states and 5472 transitions. Word has length 164 [2024-12-02 07:14:08,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:08,186 INFO L471 AbstractCegarLoop]: Abstraction has 3959 states and 5472 transitions. [2024-12-02 07:14:08,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:08,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3959 states and 5472 transitions. [2024-12-02 07:14:08,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 07:14:08,188 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:08,188 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:08,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 07:14:08,188 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:08,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:08,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1494035940, now seen corresponding path program 1 times [2024-12-02 07:14:08,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:08,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796586960] [2024-12-02 07:14:08,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:08,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:14:08,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:08,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796586960] [2024-12-02 07:14:08,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796586960] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:08,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:08,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 07:14:08,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066886764] [2024-12-02 07:14:08,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:08,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 07:14:08,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:08,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 07:14:08,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:14:08,745 INFO L87 Difference]: Start difference. First operand 3959 states and 5472 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:09,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:09,261 INFO L93 Difference]: Finished difference Result 6209 states and 8617 transitions. [2024-12-02 07:14:09,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 07:14:09,261 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-12-02 07:14:09,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:09,274 INFO L225 Difference]: With dead ends: 6209 [2024-12-02 07:14:09,275 INFO L226 Difference]: Without dead ends: 4705 [2024-12-02 07:14:09,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:14:09,280 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 151 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:09,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1389 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:14:09,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4705 states. [2024-12-02 07:14:09,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4705 to 3974. [2024-12-02 07:14:09,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3974 states, 3382 states have (on average 1.3027794204612655) internal successors, (4406), 3410 states have internal predecessors, (4406), 539 states have call successors, (539), 52 states have call predecessors, (539), 52 states have return successors, (539), 511 states have call predecessors, (539), 539 states have call successors, (539) [2024-12-02 07:14:09,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3974 states to 3974 states and 5484 transitions. [2024-12-02 07:14:09,663 INFO L78 Accepts]: Start accepts. Automaton has 3974 states and 5484 transitions. Word has length 164 [2024-12-02 07:14:09,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:09,664 INFO L471 AbstractCegarLoop]: Abstraction has 3974 states and 5484 transitions. [2024-12-02 07:14:09,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:09,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3974 states and 5484 transitions. [2024-12-02 07:14:09,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 07:14:09,665 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:09,665 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:09,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 07:14:09,666 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:09,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:09,666 INFO L85 PathProgramCache]: Analyzing trace with hash -482918690, now seen corresponding path program 1 times [2024-12-02 07:14:09,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:09,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286117587] [2024-12-02 07:14:09,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:09,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:14:10,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:10,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286117587] [2024-12-02 07:14:10,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286117587] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:10,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:10,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 07:14:10,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529165630] [2024-12-02 07:14:10,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:10,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:14:10,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:10,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:14:10,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:14:10,046 INFO L87 Difference]: Start difference. First operand 3974 states and 5484 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:10,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:10,382 INFO L93 Difference]: Finished difference Result 6677 states and 9239 transitions. [2024-12-02 07:14:10,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 07:14:10,382 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-12-02 07:14:10,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:10,398 INFO L225 Difference]: With dead ends: 6677 [2024-12-02 07:14:10,398 INFO L226 Difference]: Without dead ends: 5166 [2024-12-02 07:14:10,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:14:10,403 INFO L435 NwaCegarLoop]: 315 mSDtfsCounter, 161 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:10,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 1383 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:14:10,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states. [2024-12-02 07:14:10,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 4299. [2024-12-02 07:14:10,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4299 states, 3663 states have (on average 1.3052143052143053) internal successors, (4781), 3693 states have internal predecessors, (4781), 580 states have call successors, (580), 55 states have call predecessors, (580), 55 states have return successors, (580), 550 states have call predecessors, (580), 580 states have call successors, (580) [2024-12-02 07:14:10,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 5941 transitions. [2024-12-02 07:14:10,953 INFO L78 Accepts]: Start accepts. Automaton has 4299 states and 5941 transitions. Word has length 164 [2024-12-02 07:14:10,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:10,954 INFO L471 AbstractCegarLoop]: Abstraction has 4299 states and 5941 transitions. [2024-12-02 07:14:10,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:10,954 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 5941 transitions. [2024-12-02 07:14:10,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 07:14:10,955 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:10,955 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:10,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 07:14:10,956 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:10,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:10,956 INFO L85 PathProgramCache]: Analyzing trace with hash 2123104864, now seen corresponding path program 1 times [2024-12-02 07:14:10,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:10,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636779078] [2024-12-02 07:14:10,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:10,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:14:11,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:11,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636779078] [2024-12-02 07:14:11,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636779078] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:11,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:11,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 07:14:11,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086429414] [2024-12-02 07:14:11,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:11,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 07:14:11,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:11,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 07:14:11,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 07:14:11,972 INFO L87 Difference]: Start difference. First operand 4299 states and 5941 transitions. Second operand has 13 states, 12 states have (on average 6.0) internal successors, (72), 13 states have internal predecessors, (72), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:14:13,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:13,114 INFO L93 Difference]: Finished difference Result 5865 states and 8097 transitions. [2024-12-02 07:14:13,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 07:14:13,114 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.0) internal successors, (72), 13 states have internal predecessors, (72), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 164 [2024-12-02 07:14:13,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:13,122 INFO L225 Difference]: With dead ends: 5865 [2024-12-02 07:14:13,122 INFO L226 Difference]: Without dead ends: 5011 [2024-12-02 07:14:13,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2024-12-02 07:14:13,124 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 399 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 1780 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:13,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 1780 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 07:14:13,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5011 states. [2024-12-02 07:14:13,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5011 to 4487. [2024-12-02 07:14:13,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4487 states, 3809 states have (on average 1.3034917301128905) internal successors, (4965), 3841 states have internal predecessors, (4965), 618 states have call successors, (618), 59 states have call predecessors, (618), 59 states have return successors, (618), 586 states have call predecessors, (618), 618 states have call successors, (618) [2024-12-02 07:14:13,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6201 transitions. [2024-12-02 07:14:13,371 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6201 transitions. Word has length 164 [2024-12-02 07:14:13,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:13,371 INFO L471 AbstractCegarLoop]: Abstraction has 4487 states and 6201 transitions. [2024-12-02 07:14:13,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.0) internal successors, (72), 13 states have internal predecessors, (72), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:14:13,371 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6201 transitions. [2024-12-02 07:14:13,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 07:14:13,372 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:13,372 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:13,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 07:14:13,372 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:13,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:13,373 INFO L85 PathProgramCache]: Analyzing trace with hash -2031266341, now seen corresponding path program 1 times [2024-12-02 07:14:13,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:13,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666624260] [2024-12-02 07:14:13,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:13,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:13,429 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:14:13,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:13,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666624260] [2024-12-02 07:14:13,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666624260] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:13,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:13,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:14:13,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994615435] [2024-12-02 07:14:13,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:13,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:14:13,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:13,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:14:13,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:13,430 INFO L87 Difference]: Start difference. First operand 4487 states and 6201 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:13,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:13,686 INFO L93 Difference]: Finished difference Result 10228 states and 14089 transitions. [2024-12-02 07:14:13,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:14:13,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-12-02 07:14:13,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:13,695 INFO L225 Difference]: With dead ends: 10228 [2024-12-02 07:14:13,695 INFO L226 Difference]: Without dead ends: 6119 [2024-12-02 07:14:13,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:13,700 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 39 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:13,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 329 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:13,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6119 states. [2024-12-02 07:14:13,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6119 to 5522. [2024-12-02 07:14:13,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5522 states, 4844 states have (on average 1.287159372419488) internal successors, (6235), 4876 states have internal predecessors, (6235), 618 states have call successors, (618), 59 states have call predecessors, (618), 59 states have return successors, (618), 586 states have call predecessors, (618), 618 states have call successors, (618) [2024-12-02 07:14:13,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5522 states to 5522 states and 7471 transitions. [2024-12-02 07:14:13,957 INFO L78 Accepts]: Start accepts. Automaton has 5522 states and 7471 transitions. Word has length 164 [2024-12-02 07:14:13,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:13,958 INFO L471 AbstractCegarLoop]: Abstraction has 5522 states and 7471 transitions. [2024-12-02 07:14:13,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:13,958 INFO L276 IsEmpty]: Start isEmpty. Operand 5522 states and 7471 transitions. [2024-12-02 07:14:13,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 07:14:13,959 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:13,959 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:13,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 07:14:13,959 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:13,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:13,960 INFO L85 PathProgramCache]: Analyzing trace with hash -807307064, now seen corresponding path program 1 times [2024-12-02 07:14:13,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:13,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640555666] [2024-12-02 07:14:13,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:13,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-12-02 07:14:14,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:14,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640555666] [2024-12-02 07:14:14,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640555666] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:14:14,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003862957] [2024-12-02 07:14:14,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:14,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:14:14,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:14:14,082 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:14:14,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 07:14:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:14,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 07:14:14,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:14:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:14:14,326 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:14:14,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003862957] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:14,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:14:14,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 07:14:14,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291462145] [2024-12-02 07:14:14,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:14,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:14:14,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:14,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:14:14,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:14:14,327 INFO L87 Difference]: Start difference. First operand 5522 states and 7471 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:14,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:14,568 INFO L93 Difference]: Finished difference Result 10417 states and 14188 transitions. [2024-12-02 07:14:14,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:14:14,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-12-02 07:14:14,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:14,580 INFO L225 Difference]: With dead ends: 10417 [2024-12-02 07:14:14,580 INFO L226 Difference]: Without dead ends: 5645 [2024-12-02 07:14:14,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 165 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 07:14:14,588 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:14,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 648 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:14,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5645 states. [2024-12-02 07:14:14,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5645 to 5645. [2024-12-02 07:14:14,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5645 states, 4967 states have (on average 1.2800483189047716) internal successors, (6358), 4999 states have internal predecessors, (6358), 618 states have call successors, (618), 59 states have call predecessors, (618), 59 states have return successors, (618), 586 states have call predecessors, (618), 618 states have call successors, (618) [2024-12-02 07:14:14,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5645 states to 5645 states and 7594 transitions. [2024-12-02 07:14:14,942 INFO L78 Accepts]: Start accepts. Automaton has 5645 states and 7594 transitions. Word has length 164 [2024-12-02 07:14:14,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:14,942 INFO L471 AbstractCegarLoop]: Abstraction has 5645 states and 7594 transitions. [2024-12-02 07:14:14,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:14,942 INFO L276 IsEmpty]: Start isEmpty. Operand 5645 states and 7594 transitions. [2024-12-02 07:14:14,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 07:14:14,944 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:14,944 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:14,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 07:14:15,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-12-02 07:14:15,144 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:15,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:15,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1584877911, now seen corresponding path program 1 times [2024-12-02 07:14:15,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:15,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438313303] [2024-12-02 07:14:15,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:15,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 07:14:15,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [614830472] [2024-12-02 07:14:15,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:15,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:14:15,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:14:15,213 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:14:15,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 07:14:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:14:15,645 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:14:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:14:16,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 07:14:16,015 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 07:14:16,016 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 07:14:16,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 07:14:16,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-12-02 07:14:16,221 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] [2024-12-02 07:14:16,299 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:14:16,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:14:16 BoogieIcfgContainer [2024-12-02 07:14:16,302 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:14:16,303 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:14:16,303 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:14:16,303 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:14:16,304 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:13:18" (3/4) ... [2024-12-02 07:14:16,305 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 07:14:16,306 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:14:16,306 INFO L158 Benchmark]: Toolchain (without parser) took 58931.22ms. Allocated memory was 117.4MB in the beginning and 922.7MB in the end (delta: 805.3MB). Free memory was 92.5MB in the beginning and 408.4MB in the end (delta: -315.8MB). Peak memory consumption was 489.8MB. Max. memory is 16.1GB. [2024-12-02 07:14:16,306 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:14:16,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.29ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 76.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:14:16,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.25ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 72.9MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:14:16,307 INFO L158 Benchmark]: Boogie Preprocessor took 68.06ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 68.3MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:14:16,307 INFO L158 Benchmark]: RCFGBuilder took 687.81ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 83.7MB in the end (delta: -15.6MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-12-02 07:14:16,308 INFO L158 Benchmark]: TraceAbstraction took 57845.03ms. Allocated memory was 117.4MB in the beginning and 922.7MB in the end (delta: 805.3MB). Free memory was 83.1MB in the beginning and 412.7MB in the end (delta: -329.5MB). Peak memory consumption was 474.8MB. Max. memory is 16.1GB. [2024-12-02 07:14:16,308 INFO L158 Benchmark]: Witness Printer took 2.99ms. Allocated memory is still 922.7MB. Free memory was 412.7MB in the beginning and 408.4MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:14:16,309 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.29ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 76.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.25ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 72.9MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.06ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 68.3MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 687.81ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 83.7MB in the end (delta: -15.6MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * TraceAbstraction took 57845.03ms. Allocated memory was 117.4MB in the beginning and 922.7MB in the end (delta: 805.3MB). Free memory was 83.1MB in the beginning and 412.7MB in the end (delta: -329.5MB). Peak memory consumption was 474.8MB. Max. memory is 16.1GB. * Witness Printer took 2.99ms. Allocated memory is still 922.7MB. Free memory was 412.7MB in the beginning and 408.4MB in the end (delta: 4.3MB). 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 someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L37] unsigned char last_1_BOOL_unsigned_char_Array_0_2_ = 0; [L38] signed long int last_1_signed_long_int_Array_0_2_ = -32; [L39] unsigned long int last_1_unsigned_long_int_Array_0_0_ = 50; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=0, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L109] isInitial = 1 [L110] FCALL initially() [L112] CALL updateLastVariables() [L100] EXPR BOOL_unsigned_char_Array_0[2] [L100] last_1_BOOL_unsigned_char_Array_0_2_ = BOOL_unsigned_char_Array_0[2] [L101] EXPR signed_long_int_Array_0[2] [L101] last_1_signed_long_int_Array_0_2_ = signed_long_int_Array_0[2] [L102] EXPR unsigned_long_int_Array_0[0] [L102] last_1_unsigned_long_int_Array_0_0_ = unsigned_long_int_Array_0[0] [L112] RET updateLastVariables() [L113] CALL updateVariables() [L68] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L72] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] double_Array_0[0][0] = __VERIFIER_nondet_double() [L75] EXPR double_Array_0[0][0] [L75] EXPR double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F [L75] EXPR double_Array_0[0][0] [L75] EXPR double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] RET assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] double_Array_0[1][0] = __VERIFIER_nondet_double() [L77] EXPR double_Array_0[1][0] [L77] EXPR double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F [L77] EXPR double_Array_0[1][0] [L77] EXPR double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not((double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] RET assume_abort_if_not((double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] double_Array_0[0][1] = __VERIFIER_nondet_double() [L79] EXPR double_Array_0[0][1] [L79] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F [L79] EXPR double_Array_0[0][1] [L79] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] RET assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] double_Array_0[1][1] = __VERIFIER_nondet_double() [L81] EXPR double_Array_0[1][1] [L81] EXPR double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F [L81] EXPR double_Array_0[1][1] [L81] EXPR double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR (double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR (double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] CALL assume_abort_if_not((double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] RET assume_abort_if_not((double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L83] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] RET assume_abort_if_not(signed_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 16) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 16) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] signed_long_int_Array_0[1] = __VERIFIER_nondet_long() [L86] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] CALL assume_abort_if_not(signed_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] RET assume_abort_if_not(signed_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] CALL assume_abort_if_not(signed_long_int_Array_0[1] <= 17) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] RET assume_abort_if_not(signed_long_int_Array_0[1] <= 17) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L88] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L89] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L89] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L89] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L91] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L92] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L94] unsigned_short_int_Array_0[2] = __VERIFIER_nondet_ushort() [L95] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L95] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L95] RET assume_abort_if_not(unsigned_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] RET assume_abort_if_not(unsigned_short_int_Array_0[2] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] RET assume_abort_if_not(unsigned_short_int_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L113] RET updateVariables() [L114] CALL step() [L43] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L43] COND TRUE (unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_ [L44] EXPR double_Array_0[1][0] [L44] EXPR double_Array_0[0][1] [L44] EXPR double_Array_0[1][1] [L44] EXPR double_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L44] COND FALSE !(((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) [L50] EXPR unsigned_short_int_Array_0[0] [L50] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L50] COND TRUE unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1] [L51] EXPR unsigned_short_int_Array_0[1] [L51] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] EXPR ((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]) [L51] EXPR unsigned_short_int_Array_0[1] [L51] EXPR ((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] EXPR unsigned_short_int_Array_0[1] [L51] signed_long_int_Array_0[2] = (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]) [L53] COND FALSE !(\read(last_1_BOOL_unsigned_char_Array_0_2_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L56] EXPR unsigned_long_int_Array_0[1] [L56] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L56] EXPR ((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])) [L56] EXPR ((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L56] unsigned_long_int_Array_0[0] = ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))) [L57] EXPR unsigned_long_int_Array_0[0] [L57] unsigned long int stepLocal_1 = unsigned_long_int_Array_0[0]; [L58] EXPR unsigned_long_int_Array_0[0] [L58] unsigned long int stepLocal_0 = unsigned_long_int_Array_0[0]; [L59] EXPR signed_long_int_Array_0[2] [L59] EXPR signed_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) [L59] EXPR signed_long_int_Array_0[2] [L59] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, stepLocal_0=50, stepLocal_1=50, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] COND FALSE !((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > stepLocal_1) [L114] RET step() [L115] CALL, EXPR property() [L105] EXPR signed_long_int_Array_0[2] [L105] EXPR signed_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) [L105] EXPR signed_long_int_Array_0[2] [L105] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR unsigned_short_int_Array_0[2] [L105] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1 [L105] EXPR ((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) [L105] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) [L105] EXPR double_Array_0[1][0] [L105] EXPR double_Array_0[0][1] [L105] EXPR double_Array_0[1][1] [L105] EXPR double_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1 [L105] EXPR unsigned_short_int_Array_0[1] [L105] EXPR unsigned_short_int_Array_0[0] [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR (((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1)) && (unsigned_long_int_Array_0[0] == ((unsigned long int) ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1)) && (unsigned_long_int_Array_0[0] == ((unsigned long int) ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105-L106] return ((((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1)) && (unsigned_long_int_Array_0[0] == ((unsigned long int) ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))))) ; [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 122 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.7s, OverallIterations: 27, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 27.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5310 SdHoareTripleChecker+Valid, 14.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5259 mSDsluCounter, 28501 SdHoareTripleChecker+Invalid, 13.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23229 mSDsCounter, 1093 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9399 IncrementalHoareTripleChecker+Invalid, 10492 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1093 mSolverCounterUnsat, 5272 mSDtfsCounter, 9399 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1346 GetRequests, 1049 SyntacticMatches, 2 SemanticMatches, 295 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 916 ImplicationChecksByTransitivity, 12.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5645occurred in iteration=26, InterpolantAutomatonStates: 248, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 26 MinimizatonAttempts, 4770 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 19.6s InterpolantComputationTime, 5337 NumberOfCodeBlocks, 5337 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 5138 ConstructedInterpolants, 0 QuantifiedInterpolants, 21267 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2652 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 32 InterpolantComputations, 25 PerfectInterpolantSequences, 21786/21888 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 07:14:16,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/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_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/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_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/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_f30d5b94-939e-4465-bb55-e21bc4e5d750/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 fb9f80ac793eeca68c7fd49f4ea0c37ec5912db021eb8e0a4597e07f05d1e26c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:14:18,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:14:18,375 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 07:14:18,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:14:18,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:14:18,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:14:18,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:14:18,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:14:18,403 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:14:18,403 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:14:18,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:14:18,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:14:18,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:14:18,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:14:18,404 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:14:18,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:14:18,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:14:18,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:14:18,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:14:18,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:14:18,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:14:18,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:14:18,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:14:18,405 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 07:14:18,405 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 07:14:18,405 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 07:14:18,405 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:14:18,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:14:18,406 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:14:18,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:14:18,406 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:14:18,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:14:18,406 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:14:18,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:14:18,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:14:18,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:14:18,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:14:18,406 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:14:18,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:14:18,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:14:18,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:14:18,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:14:18,407 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:14:18,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:14:18,407 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 07:14:18,407 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 07:14:18,407 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:14:18,408 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:14:18,408 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:14:18,408 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:14:18,408 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_f30d5b94-939e-4465-bb55-e21bc4e5d750/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 -> fb9f80ac793eeca68c7fd49f4ea0c37ec5912db021eb8e0a4597e07f05d1e26c [2024-12-02 07:14:18,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:14:18,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:14:18,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:14:18,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:14:18,649 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:14:18,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2024-12-02 07:14:21,371 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/data/e6c395f8d/142eba17be5441a9b00f279fce01fbfc/FLAG4aba694b3 [2024-12-02 07:14:21,553 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:14:21,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2024-12-02 07:14:21,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/data/e6c395f8d/142eba17be5441a9b00f279fce01fbfc/FLAG4aba694b3 [2024-12-02 07:14:21,579 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/data/e6c395f8d/142eba17be5441a9b00f279fce01fbfc [2024-12-02 07:14:21,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:14:21,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:14:21,585 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:14:21,585 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:14:21,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:14:21,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:21,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@358b6081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21, skipping insertion in model container [2024-12-02 07:14:21,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:21,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:14:21,748 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_f30d5b94-939e-4465-bb55-e21bc4e5d750/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2024-12-02 07:14:21,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:14:21,824 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:14:21,836 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_f30d5b94-939e-4465-bb55-e21bc4e5d750/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2024-12-02 07:14:21,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:14:21,905 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:14:21,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21 WrapperNode [2024-12-02 07:14:21,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:14:21,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:14:21,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:14:21,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:14:21,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:21,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:21,959 INFO L138 Inliner]: procedures = 36, calls = 170, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 514 [2024-12-02 07:14:21,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:14:21,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:14:21,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:14:21,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:14:21,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:21,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:21,975 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:21,997 INFO L175 MemorySlicer]: Split 135 memory accesses to 6 slices as follows [2, 16, 32, 28, 21, 36]. 27 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 3, 4, 3, 3, 3]. The 18 writes are split as follows [0, 3, 4, 3, 4, 4]. [2024-12-02 07:14:21,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:21,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:22,025 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:22,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:22,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:22,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:22,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:22,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:14:22,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:14:22,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:14:22,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:14:22,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21" (1/1) ... [2024-12-02 07:14:22,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:14:22,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:14:22,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:14:22,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:14:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:14:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 07:14:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 07:14:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-12-02 07:14:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-12-02 07:14:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-12-02 07:14:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-12-02 07:14:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 07:14:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 07:14:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-12-02 07:14:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-12-02 07:14:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-12-02 07:14:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-12-02 07:14:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 07:14:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 07:14:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 07:14:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 07:14:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 07:14:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 07:14:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 07:14:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 07:14:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 07:14:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 07:14:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 07:14:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 07:14:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 07:14:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 07:14:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 07:14:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 07:14:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 07:14:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 07:14:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 07:14:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 07:14:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 07:14:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 07:14:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 07:14:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-12-02 07:14:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-12-02 07:14:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 07:14:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 07:14:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 07:14:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:14:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:14:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 07:14:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 07:14:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 07:14:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 07:14:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 07:14:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 07:14:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 07:14:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 07:14:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 07:14:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 07:14:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 07:14:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 07:14:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 07:14:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 07:14:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 07:14:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 07:14:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 07:14:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-12-02 07:14:22,255 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:14:22,257 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:14:27,045 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-12-02 07:14:27,045 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:14:27,056 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:14:27,057 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 07:14:27,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:14:27 BoogieIcfgContainer [2024-12-02 07:14:27,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:14:27,059 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:14:27,060 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:14:27,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:14:27,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:14:21" (1/3) ... [2024-12-02 07:14:27,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a66ee08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:14:27, skipping insertion in model container [2024-12-02 07:14:27,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:21" (2/3) ... [2024-12-02 07:14:27,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a66ee08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:14:27, skipping insertion in model container [2024-12-02 07:14:27,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:14:27" (3/3) ... [2024-12-02 07:14:27,066 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-6.i [2024-12-02 07:14:27,078 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:14:27,079 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-6.i that has 2 procedures, 122 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 07:14:27,130 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:14:27,139 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;@530424d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:14:27,139 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:14:27,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:14:27,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 07:14:27,155 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:27,155 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:27,156 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:27,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:27,161 INFO L85 PathProgramCache]: Analyzing trace with hash -607756942, now seen corresponding path program 1 times [2024-12-02 07:14:27,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:14:27,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710727335] [2024-12-02 07:14:27,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:27,171 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:27,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:14:27,173 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:14:27,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:27,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 07:14:27,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:14:27,598 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-12-02 07:14:27,598 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:14:27,599 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:14:27,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710727335] [2024-12-02 07:14:27,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710727335] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:27,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:27,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:14:27,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777583940] [2024-12-02 07:14:27,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:27,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 07:14:27,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:14:27,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 07:14:27,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:14:27,621 INFO L87 Difference]: Start difference. First operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:14:27,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:27,649 INFO L93 Difference]: Finished difference Result 237 states and 371 transitions. [2024-12-02 07:14:27,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 07:14:27,650 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-12-02 07:14:27,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:27,655 INFO L225 Difference]: With dead ends: 237 [2024-12-02 07:14:27,655 INFO L226 Difference]: Without dead ends: 118 [2024-12-02 07:14:27,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 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 07:14:27,660 INFO L435 NwaCegarLoop]: 172 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, 172 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 07:14:27,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:27,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-12-02 07:14:27,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-12-02 07:14:27,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 97 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:14:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-12-02 07:14:27,702 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 158 [2024-12-02 07:14:27,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:27,703 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-12-02 07:14:27,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:14:27,704 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-12-02 07:14:27,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 07:14:27,707 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:27,707 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:27,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:27,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:27,908 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:27,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:27,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1715716112, now seen corresponding path program 1 times [2024-12-02 07:14:27,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:14:27,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502144423] [2024-12-02 07:14:27,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:27,911 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:27,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:14:27,913 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:14:27,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:28,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:14:28,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:14:28,327 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-12-02 07:14:28,328 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:14:28,328 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:14:28,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502144423] [2024-12-02 07:14:28,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502144423] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:28,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:28,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:14:28,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907167062] [2024-12-02 07:14:28,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:28,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:14:28,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:14:28,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:14:28,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:14:28,332 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:14:28,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:28,427 INFO L93 Difference]: Finished difference Result 235 states and 344 transitions. [2024-12-02 07:14:28,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:14:28,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-12-02 07:14:28,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:28,429 INFO L225 Difference]: With dead ends: 235 [2024-12-02 07:14:28,429 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 07:14:28,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:14:28,431 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:28,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 499 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:14:28,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 07:14:28,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-12-02 07:14:28,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:14:28,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-12-02 07:14:28,442 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 158 [2024-12-02 07:14:28,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:28,443 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-12-02 07:14:28,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:14:28,443 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-12-02 07:14:28,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 07:14:28,445 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:28,445 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:28,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:28,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:28,646 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:28,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:28,646 INFO L85 PathProgramCache]: Analyzing trace with hash -931888242, now seen corresponding path program 1 times [2024-12-02 07:14:28,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:14:28,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1936681526] [2024-12-02 07:14:28,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:28,647 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:28,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:14:28,649 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:14:28,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:29,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:14:29,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:14:29,059 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:14:29,059 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:14:29,059 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:14:29,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1936681526] [2024-12-02 07:14:29,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1936681526] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:29,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:29,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:14:29,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98300602] [2024-12-02 07:14:29,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:29,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:14:29,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:14:29,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:14:29,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:14:29,061 INFO L87 Difference]: Start difference. First operand 120 states and 174 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:29,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:29,116 INFO L93 Difference]: Finished difference Result 239 states and 348 transitions. [2024-12-02 07:14:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:14:29,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-12-02 07:14:29,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:29,119 INFO L225 Difference]: With dead ends: 239 [2024-12-02 07:14:29,119 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 07:14:29,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:14:29,121 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 499 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 07:14:29,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 499 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:29,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 07:14:29,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-12-02 07:14:29,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:14:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 176 transitions. [2024-12-02 07:14:29,131 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 176 transitions. Word has length 158 [2024-12-02 07:14:29,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:29,131 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 176 transitions. [2024-12-02 07:14:29,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:29,132 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 176 transitions. [2024-12-02 07:14:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 07:14:29,134 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:29,134 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:29,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 07:14:29,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:29,335 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:29,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:29,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1353304512, now seen corresponding path program 1 times [2024-12-02 07:14:29,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:14:29,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33208569] [2024-12-02 07:14:29,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:29,336 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:29,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:14:29,338 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:14:29,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:29,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 07:14:29,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:14:30,042 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:14:30,043 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 175 treesize of output 67 [2024-12-02 07:14:30,110 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-12-02 07:14:30,110 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:14:30,110 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:14:30,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33208569] [2024-12-02 07:14:30,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33208569] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:30,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:30,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:14:30,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063343436] [2024-12-02 07:14:30,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:30,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:14:30,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:14:30,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:14:30,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:14:30,112 INFO L87 Difference]: Start difference. First operand 122 states and 176 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:14:32,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:14:34,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:14:36,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:36,114 INFO L93 Difference]: Finished difference Result 242 states and 350 transitions. [2024-12-02 07:14:36,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:14:36,126 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 160 [2024-12-02 07:14:36,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:36,128 INFO L225 Difference]: With dead ends: 242 [2024-12-02 07:14:36,128 INFO L226 Difference]: Without dead ends: 123 [2024-12-02 07:14:36,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:14:36,130 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 145 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:36,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 548 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-12-02 07:14:36,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-12-02 07:14:36,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2024-12-02 07:14:36,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:14:36,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 175 transitions. [2024-12-02 07:14:36,142 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 175 transitions. Word has length 160 [2024-12-02 07:14:36,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:36,142 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 175 transitions. [2024-12-02 07:14:36,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:14:36,143 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 175 transitions. [2024-12-02 07:14:36,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 07:14:36,145 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:36,145 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:36,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:36,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:36,346 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:36,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:36,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1924005690, now seen corresponding path program 1 times [2024-12-02 07:14:36,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:14:36,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791183336] [2024-12-02 07:14:36,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:36,347 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:36,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:14:36,349 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:14:36,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:36,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 07:14:36,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:14:37,155 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:14:37,155 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 173 treesize of output 65 [2024-12-02 07:14:37,216 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-12-02 07:14:37,216 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:14:37,216 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:14:37,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791183336] [2024-12-02 07:14:37,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791183336] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:37,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:37,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:14:37,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276690739] [2024-12-02 07:14:37,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:37,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:14:37,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:14:37,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:14:37,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:14:37,219 INFO L87 Difference]: Start difference. First operand 122 states and 175 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:14:38,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:14:41,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:14:41,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:41,479 INFO L93 Difference]: Finished difference Result 241 states and 347 transitions. [2024-12-02 07:14:41,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:14:41,490 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 162 [2024-12-02 07:14:41,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:41,491 INFO L225 Difference]: With dead ends: 241 [2024-12-02 07:14:41,491 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 07:14:41,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:14:41,492 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 138 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:41,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 544 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 07:14:41,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 07:14:41,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2024-12-02 07:14:41,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:14:41,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2024-12-02 07:14:41,502 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 162 [2024-12-02 07:14:41,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:41,503 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2024-12-02 07:14:41,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:14:41,503 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2024-12-02 07:14:41,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 07:14:41,505 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:41,505 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:41,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:41,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:41,706 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:41,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:41,707 INFO L85 PathProgramCache]: Analyzing trace with hash 32113154, now seen corresponding path program 1 times [2024-12-02 07:14:41,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:14:41,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702884912] [2024-12-02 07:14:41,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:41,707 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:41,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:14:41,709 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:14:41,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:42,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 07:14:42,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:14:42,383 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:14:42,384 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 172 treesize of output 64 [2024-12-02 07:14:42,491 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 336 proven. 24 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 07:14:42,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:14:42,866 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:14:42,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 1 [2024-12-02 07:14:42,898 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 18 proven. 36 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-12-02 07:14:42,898 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:14:42,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [702884912] [2024-12-02 07:14:42,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [702884912] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:14:42,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:14:42,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-12-02 07:14:42,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309260985] [2024-12-02 07:14:42,898 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:14:42,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 07:14:42,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:14:42,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 07:14:42,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:14:42,900 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2024-12-02 07:14:48,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:14:50,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:50,418 INFO L93 Difference]: Finished difference Result 250 states and 356 transitions. [2024-12-02 07:14:50,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 07:14:50,430 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) Word has length 164 [2024-12-02 07:14:50,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:50,431 INFO L225 Difference]: With dead ends: 250 [2024-12-02 07:14:50,431 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 07:14:50,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-12-02 07:14:50,432 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 133 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:50,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1125 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-12-02 07:14:50,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 07:14:50,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2024-12-02 07:14:50,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3333333333333333) internal successors, (132), 99 states have internal predecessors, (132), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:14:50,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 170 transitions. [2024-12-02 07:14:50,442 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 170 transitions. Word has length 164 [2024-12-02 07:14:50,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:50,442 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 170 transitions. [2024-12-02 07:14:50,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2024-12-02 07:14:50,443 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 170 transitions. [2024-12-02 07:14:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 07:14:50,444 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:50,444 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:50,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:50,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:50,645 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:50,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:50,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1896819072, now seen corresponding path program 1 times [2024-12-02 07:14:50,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:14:50,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467038157] [2024-12-02 07:14:50,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:50,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:50,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:14:50,648 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:14:50,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:51,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 07:14:51,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:14:51,334 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:14:51,334 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 173 treesize of output 65 [2024-12-02 07:14:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-12-02 07:14:51,369 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:14:51,370 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:14:51,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467038157] [2024-12-02 07:14:51,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467038157] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:51,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:51,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:14:51,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108125929] [2024-12-02 07:14:51,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:51,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:14:51,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:14:51,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:14:51,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:14:51,372 INFO L87 Difference]: Start difference. First operand 120 states and 170 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:14:53,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:14:55,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:55,841 INFO L93 Difference]: Finished difference Result 238 states and 338 transitions. [2024-12-02 07:14:55,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:14:55,852 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 164 [2024-12-02 07:14:55,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:55,853 INFO L225 Difference]: With dead ends: 238 [2024-12-02 07:14:55,853 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 07:14:55,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 159 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 07:14:55,854 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 126 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:55,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 529 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 07:14:55,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 07:14:55,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-12-02 07:14:55,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3232323232323233) internal successors, (131), 99 states have internal predecessors, (131), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:14:55,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2024-12-02 07:14:55,860 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 164 [2024-12-02 07:14:55,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:55,860 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2024-12-02 07:14:55,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:14:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2024-12-02 07:14:55,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 07:14:55,861 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:55,861 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:55,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:56,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:56,062 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:56,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:56,062 INFO L85 PathProgramCache]: Analyzing trace with hash -92829190, now seen corresponding path program 1 times [2024-12-02 07:14:56,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:14:56,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692378916] [2024-12-02 07:14:56,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:56,063 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:56,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:14:56,064 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:14:56,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:56,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:14:56,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:14:56,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-12-02 07:14:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:14:56,576 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:14:56,576 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:14:56,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692378916] [2024-12-02 07:14:56,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [692378916] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:56,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:56,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:14:56,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143330259] [2024-12-02 07:14:56,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:56,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:14:56,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:14:56,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:14:56,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:56,578 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:56,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:56,634 INFO L93 Difference]: Finished difference Result 237 states and 335 transitions. [2024-12-02 07:14:56,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:14:56,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 166 [2024-12-02 07:14:56,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:56,636 INFO L225 Difference]: With dead ends: 237 [2024-12-02 07:14:56,636 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 07:14:56,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:56,637 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:56,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 325 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:14:56,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 07:14:56,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-12-02 07:14:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3131313131313131) internal successors, (130), 99 states have internal predecessors, (130), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:14:56,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2024-12-02 07:14:56,643 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 166 [2024-12-02 07:14:56,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:56,644 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2024-12-02 07:14:56,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:56,644 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2024-12-02 07:14:56,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 07:14:56,645 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:56,645 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:56,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:56,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:56,846 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:56,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:56,846 INFO L85 PathProgramCache]: Analyzing trace with hash 329872636, now seen corresponding path program 1 times [2024-12-02 07:14:56,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:14:56,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752774916] [2024-12-02 07:14:56,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:56,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:56,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:14:56,848 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:14:56,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:57,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:14:57,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:14:57,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-12-02 07:14:57,377 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:14:57,377 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:14:57,377 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:14:57,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752774916] [2024-12-02 07:14:57,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752774916] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:57,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:57,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:14:57,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715534740] [2024-12-02 07:14:57,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:57,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:14:57,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:14:57,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:14:57,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:57,379 INFO L87 Difference]: Start difference. First operand 120 states and 168 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:57,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:57,394 INFO L93 Difference]: Finished difference Result 237 states and 333 transitions. [2024-12-02 07:14:57,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:14:57,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 166 [2024-12-02 07:14:57,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:57,395 INFO L225 Difference]: With dead ends: 237 [2024-12-02 07:14:57,395 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 07:14:57,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:57,396 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:57,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 325 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:57,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 07:14:57,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-12-02 07:14:57,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.303030303030303) internal successors, (129), 99 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 07:14:57,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2024-12-02 07:14:57,402 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 166 [2024-12-02 07:14:57,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:57,402 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2024-12-02 07:14:57,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:14:57,403 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2024-12-02 07:14:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 07:14:57,403 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:57,404 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:57,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:57,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:14:57,604 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:14:57,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:57,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1258475266, now seen corresponding path program 1 times [2024-12-02 07:14:57,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:14:57,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075177565] [2024-12-02 07:14:57,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:57,605 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 07:14:57,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:14:57,606 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:14:57,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:14:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:58,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 07:14:58,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:14:58,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:14:58,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27 [2024-12-02 07:14:58,687 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:14:58,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 41 [2024-12-02 07:14:59,336 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:14:59,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 39 [2024-12-02 07:14:59,450 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 296 proven. 12 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-02 07:14:59,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:14:59,930 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:14:59,930 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:14:59,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1075177565] [2024-12-02 07:14:59,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1075177565] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 07:14:59,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:14:59,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 17 [2024-12-02 07:14:59,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273607318] [2024-12-02 07:14:59,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:59,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 07:14:59,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:14:59,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 07:14:59,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2024-12-02 07:14:59,931 INFO L87 Difference]: Start difference. First operand 120 states and 167 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:15:03,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:15:03,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:03,978 INFO L93 Difference]: Finished difference Result 398 states and 553 transitions. [2024-12-02 07:15:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:15:03,979 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 166 [2024-12-02 07:15:03,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:03,981 INFO L225 Difference]: With dead ends: 398 [2024-12-02 07:15:03,981 INFO L226 Difference]: Without dead ends: 281 [2024-12-02 07:15:03,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 314 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2024-12-02 07:15:03,982 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 205 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:03,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 1224 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-12-02 07:15:03,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-12-02 07:15:03,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 224. [2024-12-02 07:15:03,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 188 states have (on average 1.3085106382978724) internal successors, (246), 189 states have internal predecessors, (246), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-02 07:15:03,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 312 transitions. [2024-12-02 07:15:03,992 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 312 transitions. Word has length 166 [2024-12-02 07:15:03,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:03,992 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 312 transitions. [2024-12-02 07:15:03,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:15:03,992 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 312 transitions. [2024-12-02 07:15:03,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 07:15:03,993 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:03,993 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:04,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:15:04,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:15:04,194 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:15:04,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:04,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1910456933, now seen corresponding path program 1 times [2024-12-02 07:15:04,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:15:04,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784730375] [2024-12-02 07:15:04,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:04,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:15:04,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:15:04,197 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:15:04,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:15:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:04,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 07:15:04,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:15:04,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-12-02 07:15:05,192 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 11 treesize of output 7 [2024-12-02 07:15:05,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-12-02 07:15:06,063 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 07:15:06,266 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:15:06,266 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:15:06,266 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:15:06,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1784730375] [2024-12-02 07:15:06,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1784730375] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:15:06,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:15:06,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 07:15:06,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68585151] [2024-12-02 07:15:06,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:15:06,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 07:15:06,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:15:06,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 07:15:06,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:15:06,267 INFO L87 Difference]: Start difference. First operand 224 states and 312 transitions. Second operand has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:15:14,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:15:20,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:15:20,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:20,507 INFO L93 Difference]: Finished difference Result 900 states and 1246 transitions. [2024-12-02 07:15:20,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 07:15:20,509 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 166 [2024-12-02 07:15:20,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:20,513 INFO L225 Difference]: With dead ends: 900 [2024-12-02 07:15:20,513 INFO L226 Difference]: Without dead ends: 679 [2024-12-02 07:15:20,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-12-02 07:15:20,515 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 342 mSDsluCounter, 1290 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:20,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 1502 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 638 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2024-12-02 07:15:20,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-12-02 07:15:20,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 588. [2024-12-02 07:15:20,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 499 states have (on average 1.3046092184368738) internal successors, (651), 503 states have internal predecessors, (651), 82 states have call successors, (82), 6 states have call predecessors, (82), 6 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 07:15:20,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 815 transitions. [2024-12-02 07:15:20,554 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 815 transitions. Word has length 166 [2024-12-02 07:15:20,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:20,554 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 815 transitions. [2024-12-02 07:15:20,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:15:20,554 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 815 transitions. [2024-12-02 07:15:20,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 07:15:20,555 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:20,555 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:20,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:15:20,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:15:20,756 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:15:20,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:20,756 INFO L85 PathProgramCache]: Analyzing trace with hash 105018599, now seen corresponding path program 1 times [2024-12-02 07:15:20,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:15:20,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130266177] [2024-12-02 07:15:20,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:20,757 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:15:20,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:15:20,759 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:15:20,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:15:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:21,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 07:15:21,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:15:21,230 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 7 treesize of output 3 [2024-12-02 07:15:23,702 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 10 [2024-12-02 07:15:23,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-12-02 07:15:23,812 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 380 proven. 54 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-12-02 07:15:23,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:15:24,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-12-02 07:15:24,923 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:15:24,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130266177] [2024-12-02 07:15:24,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [130266177] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:15:24,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1557914915] [2024-12-02 07:15:24,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:24,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:15:24,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:15:24,926 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:15:24,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-02 07:15:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:26,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 07:15:26,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:15:26,785 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 7 treesize of output 3 [2024-12-02 07:15:27,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:15:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 380 proven. 54 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-12-02 07:15:31,025 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:15:31,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-12-02 07:15:31,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1557914915] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:15:31,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:15:31,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2024-12-02 07:15:31,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451807215] [2024-12-02 07:15:31,544 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:15:31,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-12-02 07:15:31,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:15:31,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-12-02 07:15:31,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1230, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 07:15:31,545 INFO L87 Difference]: Start difference. First operand 588 states and 815 transitions. Second operand has 32 states, 26 states have (on average 5.769230769230769) internal successors, (150), 27 states have internal predecessors, (150), 10 states have call successors, (38), 8 states have call predecessors, (38), 10 states have return successors, (38), 8 states have call predecessors, (38), 10 states have call successors, (38) [2024-12-02 07:15:35,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:15:37,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:15:40,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:15:43,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:15:43,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:43,197 INFO L93 Difference]: Finished difference Result 1062 states and 1463 transitions. [2024-12-02 07:15:43,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 07:15:43,198 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 26 states have (on average 5.769230769230769) internal successors, (150), 27 states have internal predecessors, (150), 10 states have call successors, (38), 8 states have call predecessors, (38), 10 states have return successors, (38), 8 states have call predecessors, (38), 10 states have call successors, (38) Word has length 166 [2024-12-02 07:15:43,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:43,202 INFO L225 Difference]: With dead ends: 1062 [2024-12-02 07:15:43,202 INFO L226 Difference]: Without dead ends: 841 [2024-12-02 07:15:43,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 438 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 927 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=630, Invalid=2792, Unknown=0, NotChecked=0, Total=3422 [2024-12-02 07:15:43,204 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 379 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 1818 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:43,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 1818 Invalid, 1083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2024-12-02 07:15:43,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-12-02 07:15:43,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 689. [2024-12-02 07:15:43,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 576 states have (on average 1.2934027777777777) internal successors, (745), 580 states have internal predecessors, (745), 101 states have call successors, (101), 11 states have call predecessors, (101), 11 states have return successors, (101), 97 states have call predecessors, (101), 101 states have call successors, (101) [2024-12-02 07:15:43,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 947 transitions. [2024-12-02 07:15:43,262 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 947 transitions. Word has length 166 [2024-12-02 07:15:43,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:43,263 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 947 transitions. [2024-12-02 07:15:43,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 26 states have (on average 5.769230769230769) internal successors, (150), 27 states have internal predecessors, (150), 10 states have call successors, (38), 8 states have call predecessors, (38), 10 states have return successors, (38), 8 states have call predecessors, (38), 10 states have call successors, (38) [2024-12-02 07:15:43,263 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 947 transitions. [2024-12-02 07:15:43,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 07:15:43,264 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:43,264 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:43,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-02 07:15:43,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:15:43,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:15:43,665 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:15:43,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:43,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1624565269, now seen corresponding path program 1 times [2024-12-02 07:15:43,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:15:43,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840159036] [2024-12-02 07:15:43,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:43,666 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:15:43,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:15:43,668 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:15:43,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:15:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:44,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 07:15:44,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:15:44,341 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 7 treesize of output 3 [2024-12-02 07:15:45,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 07:15:45,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 07:15:46,512 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 07:15:47,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:15:47,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 46 [2024-12-02 07:15:47,801 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:15:47,801 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 36 treesize of output 26 [2024-12-02 07:15:47,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:15:47,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 24 [2024-12-02 07:15:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2024-12-02 07:15:48,045 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:15:48,045 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:15:48,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1840159036] [2024-12-02 07:15:48,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1840159036] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:15:48,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:15:48,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 07:15:48,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054740978] [2024-12-02 07:15:48,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:15:48,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 07:15:48,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:15:48,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 07:15:48,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:15:48,047 INFO L87 Difference]: Start difference. First operand 689 states and 947 transitions. Second operand has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:15:51,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:15:57,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:15:58,732 WARN L539 Checker$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 [0] [2024-12-02 07:16:03,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:16:03,222 INFO L93 Difference]: Finished difference Result 1713 states and 2360 transitions. [2024-12-02 07:16:03,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 07:16:03,223 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 167 [2024-12-02 07:16:03,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:16:03,229 INFO L225 Difference]: With dead ends: 1713 [2024-12-02 07:16:03,229 INFO L226 Difference]: Without dead ends: 1128 [2024-12-02 07:16:03,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2024-12-02 07:16:03,231 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 482 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 1776 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:16:03,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 1776 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1224 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2024-12-02 07:16:03,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2024-12-02 07:16:03,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 817. [2024-12-02 07:16:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 682 states have (on average 1.2932551319648093) internal successors, (882), 686 states have internal predecessors, (882), 120 states have call successors, (120), 14 states have call predecessors, (120), 14 states have return successors, (120), 116 states have call predecessors, (120), 120 states have call successors, (120) [2024-12-02 07:16:03,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1122 transitions. [2024-12-02 07:16:03,313 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1122 transitions. Word has length 167 [2024-12-02 07:16:03,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:16:03,314 INFO L471 AbstractCegarLoop]: Abstraction has 817 states and 1122 transitions. [2024-12-02 07:16:03,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 07:16:03,314 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1122 transitions. [2024-12-02 07:16:03,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 07:16:03,315 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:16:03,315 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:16:03,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Forceful destruction successful, exit code 0 [2024-12-02 07:16:03,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:16:03,516 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:16:03,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:16:03,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1115092179, now seen corresponding path program 1 times [2024-12-02 07:16:03,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:16:03,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187931149] [2024-12-02 07:16:03,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:03,517 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:16:03,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:16:03,519 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:16:03,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-12-02 07:16:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:03,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 07:16:03,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:16:05,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-12-02 07:16:05,856 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:16:05,856 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:16:05,856 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:16:05,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [187931149] [2024-12-02 07:16:05,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [187931149] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:16:05,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:16:05,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 07:16:05,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631376155] [2024-12-02 07:16:05,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:16:05,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:16:05,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:16:05,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:16:05,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:16:05,858 INFO L87 Difference]: Start difference. First operand 817 states and 1122 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:16:09,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:16:10,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:16:10,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:16:10,680 INFO L93 Difference]: Finished difference Result 1727 states and 2374 transitions. [2024-12-02 07:16:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 07:16:10,682 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 167 [2024-12-02 07:16:10,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:16:10,684 INFO L225 Difference]: With dead ends: 1727 [2024-12-02 07:16:10,685 INFO L226 Difference]: Without dead ends: 1021 [2024-12-02 07:16:10,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:16:10,686 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 209 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:16:10,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 879 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 07:16:10,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2024-12-02 07:16:10,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 856. [2024-12-02 07:16:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 721 states have (on average 1.289875173370319) internal successors, (930), 725 states have internal predecessors, (930), 120 states have call successors, (120), 14 states have call predecessors, (120), 14 states have return successors, (120), 116 states have call predecessors, (120), 120 states have call successors, (120) [2024-12-02 07:16:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1170 transitions. [2024-12-02 07:16:10,753 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1170 transitions. Word has length 167 [2024-12-02 07:16:10,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:16:10,753 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1170 transitions. [2024-12-02 07:16:10,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:16:10,753 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1170 transitions. [2024-12-02 07:16:10,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 07:16:10,755 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:16:10,755 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:16:10,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-12-02 07:16:10,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:16:10,955 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:16:10,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:16:10,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1464805076, now seen corresponding path program 1 times [2024-12-02 07:16:10,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:16:10,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159955115] [2024-12-02 07:16:10,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:10,957 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:16:10,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:16:10,958 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:16:10,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:16:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:11,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 07:16:11,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:16:11,443 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 7 treesize of output 3 [2024-12-02 07:16:12,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 07:16:12,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 07:16:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:16:13,238 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:16:13,238 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:16:13,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159955115] [2024-12-02 07:16:13,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159955115] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:16:13,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:16:13,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 07:16:13,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026902834] [2024-12-02 07:16:13,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:16:13,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:16:13,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:16:13,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:16:13,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:16:13,240 INFO L87 Difference]: Start difference. First operand 856 states and 1170 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:16:14,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:16:16,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:16:17,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:16:19,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:16:20,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:16:20,494 INFO L93 Difference]: Finished difference Result 2068 states and 2837 transitions. [2024-12-02 07:16:20,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:16:20,507 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 167 [2024-12-02 07:16:20,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:16:20,511 INFO L225 Difference]: With dead ends: 2068 [2024-12-02 07:16:20,511 INFO L226 Difference]: Without dead ends: 1340 [2024-12-02 07:16:20,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:16:20,513 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 251 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:16:20,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 766 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2024-12-02 07:16:20,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2024-12-02 07:16:20,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1249. [2024-12-02 07:16:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1249 states, 1061 states have (on average 1.2874646559849199) internal successors, (1366), 1068 states have internal predecessors, (1366), 169 states have call successors, (169), 18 states have call predecessors, (169), 18 states have return successors, (169), 162 states have call predecessors, (169), 169 states have call successors, (169) [2024-12-02 07:16:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1704 transitions. [2024-12-02 07:16:20,605 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1704 transitions. Word has length 167 [2024-12-02 07:16:20,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:16:20,606 INFO L471 AbstractCegarLoop]: Abstraction has 1249 states and 1704 transitions. [2024-12-02 07:16:20,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:16:20,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1704 transitions. [2024-12-02 07:16:20,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 07:16:20,607 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:16:20,607 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:16:20,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:16:20,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:16:20,808 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:16:20,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:16:20,808 INFO L85 PathProgramCache]: Analyzing trace with hash -224138666, now seen corresponding path program 1 times [2024-12-02 07:16:20,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:16:20,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369537505] [2024-12-02 07:16:20,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:20,809 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:16:20,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:16:20,811 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:16:20,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:16:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:21,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 07:16:21,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:16:21,211 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 07:16:21,317 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:16:21,317 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:16:21,317 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:16:21,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369537505] [2024-12-02 07:16:21,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369537505] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:16:21,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:16:21,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 07:16:21,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067974561] [2024-12-02 07:16:21,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:16:21,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:16:21,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:16:21,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:16:21,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:16:21,318 INFO L87 Difference]: Start difference. First operand 1249 states and 1704 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:16:21,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:16:21,843 INFO L93 Difference]: Finished difference Result 3156 states and 4333 transitions. [2024-12-02 07:16:21,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 07:16:21,844 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 167 [2024-12-02 07:16:21,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:16:21,850 INFO L225 Difference]: With dead ends: 3156 [2024-12-02 07:16:21,850 INFO L226 Difference]: Without dead ends: 2090 [2024-12-02 07:16:21,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 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 07:16:21,852 INFO L435 NwaCegarLoop]: 280 mSDtfsCounter, 157 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:16:21,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 1249 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 07:16:21,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2024-12-02 07:16:21,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 2062. [2024-12-02 07:16:21,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2062 states, 1749 states have (on average 1.288164665523156) internal successors, (2253), 1761 states have internal predecessors, (2253), 284 states have call successors, (284), 28 states have call predecessors, (284), 28 states have return successors, (284), 272 states have call predecessors, (284), 284 states have call successors, (284) [2024-12-02 07:16:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2821 transitions. [2024-12-02 07:16:21,966 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2821 transitions. Word has length 167 [2024-12-02 07:16:21,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:16:21,966 INFO L471 AbstractCegarLoop]: Abstraction has 2062 states and 2821 transitions. [2024-12-02 07:16:21,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:16:21,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2821 transitions. [2024-12-02 07:16:21,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 07:16:21,968 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:16:21,968 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:16:21,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:16:22,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:16:22,169 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:16:22,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:16:22,169 INFO L85 PathProgramCache]: Analyzing trace with hash 786978584, now seen corresponding path program 1 times [2024-12-02 07:16:22,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:16:22,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023126827] [2024-12-02 07:16:22,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:22,170 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:16:22,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:16:22,173 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:16:22,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-12-02 07:16:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:22,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 07:16:22,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:16:22,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-12-02 07:16:23,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 07:16:23,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 07:16:24,450 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 11 treesize of output 7 [2024-12-02 07:16:24,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-02 07:16:24,616 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:16:24,616 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:16:24,616 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:16:24,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023126827] [2024-12-02 07:16:24,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2023126827] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:16:24,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:16:24,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:16:24,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498767836] [2024-12-02 07:16:24,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:16:24,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:16:24,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:16:24,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:16:24,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:16:24,618 INFO L87 Difference]: Start difference. First operand 2062 states and 2821 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:16:26,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:16:28,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:16:31,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:16:33,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:16:34,603 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 07:16:34,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:16:34,641 INFO L93 Difference]: Finished difference Result 3885 states and 5334 transitions. [2024-12-02 07:16:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:16:34,654 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 167 [2024-12-02 07:16:34,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:16:34,660 INFO L225 Difference]: With dead ends: 3885 [2024-12-02 07:16:34,661 INFO L226 Difference]: Without dead ends: 2225 [2024-12-02 07:16:34,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:16:34,670 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 237 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:16:34,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 679 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2024-12-02 07:16:34,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2225 states. [2024-12-02 07:16:34,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2225 to 2047. [2024-12-02 07:16:34,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2047 states, 1734 states have (on average 1.284890426758939) internal successors, (2228), 1746 states have internal predecessors, (2228), 284 states have call successors, (284), 28 states have call predecessors, (284), 28 states have return successors, (284), 272 states have call predecessors, (284), 284 states have call successors, (284) [2024-12-02 07:16:34,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 2796 transitions. [2024-12-02 07:16:34,775 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 2796 transitions. Word has length 167 [2024-12-02 07:16:34,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:16:34,776 INFO L471 AbstractCegarLoop]: Abstraction has 2047 states and 2796 transitions. [2024-12-02 07:16:34,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:16:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2796 transitions. [2024-12-02 07:16:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 07:16:34,777 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:16:34,777 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:16:34,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-12-02 07:16:34,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:16:34,978 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:16:34,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:16:34,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1910716016, now seen corresponding path program 1 times [2024-12-02 07:16:34,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:16:34,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058431704] [2024-12-02 07:16:34,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:34,979 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:16:34,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:16:34,981 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:16:34,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:16:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:35,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 07:16:35,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:16:35,421 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:16:35,421 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:16:35,421 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:16:35,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058431704] [2024-12-02 07:16:35,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2058431704] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:16:35,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:16:35,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:16:35,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065908452] [2024-12-02 07:16:35,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:16:35,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:16:35,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:16:35,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:16:35,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:16:35,423 INFO L87 Difference]: Start difference. First operand 2047 states and 2796 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:16:35,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:16:35,600 INFO L93 Difference]: Finished difference Result 3960 states and 5428 transitions. [2024-12-02 07:16:35,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:16:35,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 168 [2024-12-02 07:16:35,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:16:35,606 INFO L225 Difference]: With dead ends: 3960 [2024-12-02 07:16:35,606 INFO L226 Difference]: Without dead ends: 2104 [2024-12-02 07:16:35,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 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 07:16:35,609 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:16:35,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 631 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:16:35,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2024-12-02 07:16:35,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 2104. [2024-12-02 07:16:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2104 states, 1791 states have (on average 1.275823562255723) internal successors, (2285), 1803 states have internal predecessors, (2285), 284 states have call successors, (284), 28 states have call predecessors, (284), 28 states have return successors, (284), 272 states have call predecessors, (284), 284 states have call successors, (284) [2024-12-02 07:16:35,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2853 transitions. [2024-12-02 07:16:35,827 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2853 transitions. Word has length 168 [2024-12-02 07:16:35,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:16:35,827 INFO L471 AbstractCegarLoop]: Abstraction has 2104 states and 2853 transitions. [2024-12-02 07:16:35,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:16:35,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2853 transitions. [2024-12-02 07:16:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 07:16:35,829 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:16:35,829 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:16:35,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:16:36,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:16:36,030 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:16:36,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:16:36,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1314542109, now seen corresponding path program 1 times [2024-12-02 07:16:36,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:16:36,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136006302] [2024-12-02 07:16:36,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:36,031 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:16:36,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:16:36,033 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:16:36,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:16:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:36,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 07:16:36,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:16:36,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 07:16:36,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-12-02 07:16:36,781 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 14 [2024-12-02 07:16:36,840 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 07:16:36,840 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:16:36,840 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:16:36,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1136006302] [2024-12-02 07:16:36,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1136006302] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:16:36,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:16:36,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:16:36,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054923835] [2024-12-02 07:16:36,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:16:36,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:16:36,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:16:36,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:16:36,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:16:36,842 INFO L87 Difference]: Start difference. First operand 2104 states and 2853 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:16:39,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:16:43,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:16:45,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:16:45,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:16:45,845 INFO L93 Difference]: Finished difference Result 3860 states and 5253 transitions. [2024-12-02 07:16:45,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:16:45,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 168 [2024-12-02 07:16:45,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:16:45,852 INFO L225 Difference]: With dead ends: 3860 [2024-12-02 07:16:45,852 INFO L226 Difference]: Without dead ends: 2069 [2024-12-02 07:16:45,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:16:45,855 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 52 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:16:45,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 589 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2024-12-02 07:16:45,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2024-12-02 07:16:45,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2067. [2024-12-02 07:16:45,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 1754 states have (on average 1.2685290763968073) internal successors, (2225), 1766 states have internal predecessors, (2225), 284 states have call successors, (284), 28 states have call predecessors, (284), 28 states have return successors, (284), 272 states have call predecessors, (284), 284 states have call successors, (284) [2024-12-02 07:16:45,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 2793 transitions. [2024-12-02 07:16:45,952 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 2793 transitions. Word has length 168 [2024-12-02 07:16:45,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:16:45,952 INFO L471 AbstractCegarLoop]: Abstraction has 2067 states and 2793 transitions. [2024-12-02 07:16:45,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 07:16:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2793 transitions. [2024-12-02 07:16:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 07:16:45,953 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:16:45,953 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:16:45,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 07:16:46,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:16:46,153 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:16:46,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:16:46,154 INFO L85 PathProgramCache]: Analyzing trace with hash -943861640, now seen corresponding path program 1 times [2024-12-02 07:16:46,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:16:46,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1421139265] [2024-12-02 07:16:46,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:46,154 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:16:46,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:16:46,156 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:16:46,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30d5b94-939e-4465-bb55-e21bc4e5d750/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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