./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.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_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB --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 08a905a57e2510263318b707c70f3b678c7204182c8cd0b9b57e46d4fa7b9fa2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:29:56,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:29:56,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 23:29:56,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:29:56,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:29:56,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:29:56,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:29:56,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:29:56,886 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:29:56,886 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:29:56,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:29:56,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:29:56,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:29:56,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:29:56,887 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:29:56,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:29:56,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:29:56,887 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:29:56,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:29:56,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:29:56,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:29:56,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:29:56,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:29:56,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:29:56,890 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:29:56,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:29:56,890 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:29:56,890 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:29:56,891 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:29:56,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:29:56,891 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:29:56,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:29:56,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:29:56,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:29:56,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:29:56,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:29:56,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:29:56,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:29:56,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:29:56,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:29:56,892 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:29:56,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:29:56,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:29:56,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:29:56,893 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:29:56,893 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:29:56,893 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:29:56,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:29:56,893 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_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 08a905a57e2510263318b707c70f3b678c7204182c8cd0b9b57e46d4fa7b9fa2 [2024-11-27 23:29:57,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:29:57,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:29:57,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:29:57,213 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:29:57,213 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:29:57,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i [2024-11-27 23:30:00,240 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/data/4b55a7727/fe22a4172ebf4e1fae9c093ba9825701/FLAGd4939e2c3 [2024-11-27 23:30:00,543 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:30:00,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i [2024-11-27 23:30:00,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/data/4b55a7727/fe22a4172ebf4e1fae9c093ba9825701/FLAGd4939e2c3 [2024-11-27 23:30:00,565 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/data/4b55a7727/fe22a4172ebf4e1fae9c093ba9825701 [2024-11-27 23:30:00,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:30:00,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:30:00,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:30:00,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:30:00,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:30:00,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:00,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b22dda5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00, skipping insertion in model container [2024-11-27 23:30:00,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:00,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:30:00,739 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_d671e8e7-11c6-41e5-974d-96adac25ff2e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i[916,929] [2024-11-27 23:30:00,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:30:00,795 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:30:00,804 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i[916,929] [2024-11-27 23:30:00,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:30:00,853 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:30:00,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00 WrapperNode [2024-11-27 23:30:00,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:30:00,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:30:00,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:30:00,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:30:00,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:00,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:00,910 INFO L138 Inliner]: procedures = 29, calls = 142, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 436 [2024-11-27 23:30:00,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:30:00,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:30:00,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:30:00,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:30:00,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:00,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:00,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:00,945 INFO L175 MemorySlicer]: Split 110 memory accesses to 11 slices as follows [2, 5, 8, 16, 12, 6, 6, 25, 8, 10, 12]. 23 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 2, 1, 1, 1, 2, 1, 2, 1, 4, 1]. [2024-11-27 23:30:00,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:00,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:00,969 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:00,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:00,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:00,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:00,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:01,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:30:01,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:30:01,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:30:01,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:30:01,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00" (1/1) ... [2024-11-27 23:30:01,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:30:01,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:01,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:01,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:30:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:30:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-27 23:30:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-27 23:30:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-27 23:30:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-27 23:30:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-27 23:30:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-27 23:30:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-27 23:30:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-27 23:30:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-27 23:30:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-27 23:30:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-27 23:30:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:30:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:30:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 23:30:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 23:30:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 23:30:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 23:30:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 23:30:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 23:30:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 23:30:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 23:30:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 23:30:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-27 23:30:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-27 23:30:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-27 23:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-27 23:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-27 23:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-27 23:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-27 23:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-27 23:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-27 23:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-27 23:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-27 23:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 23:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 23:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 23:30:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-27 23:30:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:30:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:30:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:30:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:30:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 23:30:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 23:30:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 23:30:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 23:30:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 23:30:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 23:30:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 23:30:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 23:30:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 23:30:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:30:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:30:01,274 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:30:01,277 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:30:01,794 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-27 23:30:01,794 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:30:01,808 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:30:01,809 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:30:01,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:30:01 BoogieIcfgContainer [2024-11-27 23:30:01,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:30:01,811 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:30:01,812 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:30:01,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:30:01,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:30:00" (1/3) ... [2024-11-27 23:30:01,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2835910e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:30:01, skipping insertion in model container [2024-11-27 23:30:01,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:00" (2/3) ... [2024-11-27 23:30:01,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2835910e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:30:01, skipping insertion in model container [2024-11-27 23:30:01,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:30:01" (3/3) ... [2024-11-27 23:30:01,819 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-31.i [2024-11-27 23:30:01,836 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:30:01,838 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-31.i that has 2 procedures, 87 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:30:01,934 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:30:01,949 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;@26f5e11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:30:01,949 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:30:01,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 23:30:01,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-27 23:30:01,965 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:01,966 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:01,966 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:01,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:01,973 INFO L85 PathProgramCache]: Analyzing trace with hash -2081525877, now seen corresponding path program 1 times [2024-11-27 23:30:01,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:01,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410746782] [2024-11-27 23:30:01,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:01,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:02,327 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-27 23:30:02,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:02,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410746782] [2024-11-27 23:30:02,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410746782] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:02,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147294484] [2024-11-27 23:30:02,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:02,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:02,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:02,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:02,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:30:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:02,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:30:02,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:02,683 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-27 23:30:02,683 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:02,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147294484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:02,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:02,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 23:30:02,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212435297] [2024-11-27 23:30:02,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:02,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:30:02,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:02,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:30:02,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:30:02,718 INFO L87 Difference]: Start difference. First operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 23:30:02,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:02,744 INFO L93 Difference]: Finished difference Result 167 states and 261 transitions. [2024-11-27 23:30:02,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:30:02,746 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2024-11-27 23:30:02,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:02,752 INFO L225 Difference]: With dead ends: 167 [2024-11-27 23:30:02,752 INFO L226 Difference]: Without dead ends: 83 [2024-11-27 23:30:02,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:30:02,759 INFO L435 NwaCegarLoop]: 121 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, 121 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 [2024-11-27 23:30:02,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:02,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-27 23:30:02,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-27 23:30:02,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 70 states have (on average 1.4142857142857144) internal successors, (99), 70 states have internal predecessors, (99), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 23:30:02,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2024-11-27 23:30:02,805 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 94 [2024-11-27 23:30:02,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:02,805 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2024-11-27 23:30:02,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 23:30:02,806 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2024-11-27 23:30:02,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-27 23:30:02,812 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:02,812 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:02,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 23:30:03,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 23:30:03,018 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:03,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:03,019 INFO L85 PathProgramCache]: Analyzing trace with hash -532540963, now seen corresponding path program 1 times [2024-11-27 23:30:03,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:03,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897675421] [2024-11-27 23:30:03,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:03,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:03,456 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:03,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:03,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897675421] [2024-11-27 23:30:03,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897675421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:03,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:03,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:30:03,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509738365] [2024-11-27 23:30:03,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:03,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:30:03,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:03,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:30:03,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:30:03,462 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 23:30:03,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:03,521 INFO L93 Difference]: Finished difference Result 165 states and 242 transitions. [2024-11-27 23:30:03,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:30:03,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2024-11-27 23:30:03,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:03,523 INFO L225 Difference]: With dead ends: 165 [2024-11-27 23:30:03,523 INFO L226 Difference]: Without dead ends: 85 [2024-11-27 23:30:03,524 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 [2024-11-27 23:30:03,525 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 346 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 [2024-11-27 23:30:03,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:03,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-27 23:30:03,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-27 23:30:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 72 states have (on average 1.4027777777777777) internal successors, (101), 72 states have internal predecessors, (101), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 23:30:03,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 123 transitions. [2024-11-27 23:30:03,542 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 123 transitions. Word has length 94 [2024-11-27 23:30:03,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:03,543 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 123 transitions. [2024-11-27 23:30:03,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 23:30:03,544 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 123 transitions. [2024-11-27 23:30:03,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-27 23:30:03,549 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:03,549 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:03,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:30:03,550 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:03,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:03,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1918744357, now seen corresponding path program 1 times [2024-11-27 23:30:03,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:03,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454600012] [2024-11-27 23:30:03,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:03,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:04,018 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:04,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:04,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454600012] [2024-11-27 23:30:04,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454600012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:04,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:04,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:30:04,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111508203] [2024-11-27 23:30:04,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:04,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:30:04,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:04,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:30:04,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:30:04,022 INFO L87 Difference]: Start difference. First operand 85 states and 123 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:04,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:04,056 INFO L93 Difference]: Finished difference Result 167 states and 243 transitions. [2024-11-27 23:30:04,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:30:04,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2024-11-27 23:30:04,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:04,063 INFO L225 Difference]: With dead ends: 167 [2024-11-27 23:30:04,063 INFO L226 Difference]: Without dead ends: 85 [2024-11-27 23:30:04,064 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 [2024-11-27 23:30:04,065 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 235 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 [2024-11-27 23:30:04,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 235 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:04,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-27 23:30:04,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-27 23:30:04,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 72 states have internal predecessors, (100), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 23:30:04,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 122 transitions. [2024-11-27 23:30:04,083 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 122 transitions. Word has length 94 [2024-11-27 23:30:04,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:04,085 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 122 transitions. [2024-11-27 23:30:04,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:04,086 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2024-11-27 23:30:04,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-27 23:30:04,089 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:04,089 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:04,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:30:04,090 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:04,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:04,090 INFO L85 PathProgramCache]: Analyzing trace with hash 787875037, now seen corresponding path program 1 times [2024-11-27 23:30:04,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:04,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634193319] [2024-11-27 23:30:04,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:04,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:06,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:06,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634193319] [2024-11-27 23:30:06,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634193319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:06,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:06,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 23:30:06,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179593447] [2024-11-27 23:30:06,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:06,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:30:06,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:06,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:30:06,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:30:06,862 INFO L87 Difference]: Start difference. First operand 85 states and 122 transitions. Second operand has 13 states, 12 states have (on average 3.5) internal successors, (42), 13 states have internal predecessors, (42), 6 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-27 23:30:07,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:07,615 INFO L93 Difference]: Finished difference Result 211 states and 301 transitions. [2024-11-27 23:30:07,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:30:07,616 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.5) internal successors, (42), 13 states have internal predecessors, (42), 6 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) Word has length 94 [2024-11-27 23:30:07,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:07,617 INFO L225 Difference]: With dead ends: 211 [2024-11-27 23:30:07,617 INFO L226 Difference]: Without dead ends: 129 [2024-11-27 23:30:07,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:30:07,619 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 209 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:07,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 606 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:30:07,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-27 23:30:07,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 126. [2024-11-27 23:30:07,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.3909090909090909) internal successors, (153), 111 states have internal predecessors, (153), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:30:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 179 transitions. [2024-11-27 23:30:07,638 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 179 transitions. Word has length 94 [2024-11-27 23:30:07,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:07,638 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 179 transitions. [2024-11-27 23:30:07,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.5) internal successors, (42), 13 states have internal predecessors, (42), 6 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-27 23:30:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 179 transitions. [2024-11-27 23:30:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-27 23:30:07,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:07,643 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:07,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:30:07,644 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:07,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:07,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1840859288, now seen corresponding path program 1 times [2024-11-27 23:30:07,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:07,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698856670] [2024-11-27 23:30:07,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:07,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:07,950 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:07,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:07,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698856670] [2024-11-27 23:30:07,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698856670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:07,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:07,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:30:07,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114311477] [2024-11-27 23:30:07,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:07,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:30:07,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:07,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:30:07,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:30:07,952 INFO L87 Difference]: Start difference. First operand 126 states and 179 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:08,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:08,026 INFO L93 Difference]: Finished difference Result 249 states and 355 transitions. [2024-11-27 23:30:08,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:30:08,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-11-27 23:30:08,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:08,029 INFO L225 Difference]: With dead ends: 249 [2024-11-27 23:30:08,029 INFO L226 Difference]: Without dead ends: 126 [2024-11-27 23:30:08,030 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 [2024-11-27 23:30:08,031 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:08,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 332 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:08,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-27 23:30:08,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-27 23:30:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.3727272727272728) internal successors, (151), 111 states have internal predecessors, (151), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:30:08,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 177 transitions. [2024-11-27 23:30:08,049 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 177 transitions. Word has length 96 [2024-11-27 23:30:08,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:08,049 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 177 transitions. [2024-11-27 23:30:08,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:08,050 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 177 transitions. [2024-11-27 23:30:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-27 23:30:08,051 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:08,051 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:08,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:30:08,051 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:08,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:08,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1447832278, now seen corresponding path program 1 times [2024-11-27 23:30:08,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:08,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158542102] [2024-11-27 23:30:08,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:08,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:08,760 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:08,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:08,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158542102] [2024-11-27 23:30:08,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158542102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:08,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:08,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:30:08,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088101177] [2024-11-27 23:30:08,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:08,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:30:08,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:08,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:30:08,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:30:08,762 INFO L87 Difference]: Start difference. First operand 126 states and 177 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:08,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:08,997 INFO L93 Difference]: Finished difference Result 263 states and 368 transitions. [2024-11-27 23:30:08,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:30:08,999 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-11-27 23:30:08,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:09,000 INFO L225 Difference]: With dead ends: 263 [2024-11-27 23:30:09,000 INFO L226 Difference]: Without dead ends: 140 [2024-11-27 23:30:09,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:30:09,001 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 65 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:09,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 585 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:30:09,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-27 23:30:09,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 100. [2024-11-27 23:30:09,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 84 states have (on average 1.3333333333333333) internal successors, (112), 85 states have internal predecessors, (112), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:30:09,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 138 transitions. [2024-11-27 23:30:09,028 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 138 transitions. Word has length 96 [2024-11-27 23:30:09,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:09,029 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 138 transitions. [2024-11-27 23:30:09,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 138 transitions. [2024-11-27 23:30:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-27 23:30:09,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:09,031 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:09,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:30:09,031 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:09,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:09,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1073875101, now seen corresponding path program 1 times [2024-11-27 23:30:09,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:09,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298550717] [2024-11-27 23:30:09,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:09,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:09,113 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:09,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:09,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298550717] [2024-11-27 23:30:09,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298550717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:09,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:09,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:30:09,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138049258] [2024-11-27 23:30:09,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:09,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:30:09,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:09,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:30:09,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:30:09,116 INFO L87 Difference]: Start difference. First operand 100 states and 138 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:09,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:09,141 INFO L93 Difference]: Finished difference Result 193 states and 268 transitions. [2024-11-27 23:30:09,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:30:09,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-11-27 23:30:09,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:09,146 INFO L225 Difference]: With dead ends: 193 [2024-11-27 23:30:09,146 INFO L226 Difference]: Without dead ends: 101 [2024-11-27 23:30:09,147 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 [2024-11-27 23:30:09,147 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:09,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 230 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:09,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-27 23:30:09,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-27 23:30:09,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 85 states have (on average 1.3294117647058823) internal successors, (113), 86 states have internal predecessors, (113), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:30:09,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 139 transitions. [2024-11-27 23:30:09,163 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 139 transitions. Word has length 96 [2024-11-27 23:30:09,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:09,163 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 139 transitions. [2024-11-27 23:30:09,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:09,164 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 139 transitions. [2024-11-27 23:30:09,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-27 23:30:09,165 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:09,165 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:09,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:30:09,165 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:09,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:09,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1660681115, now seen corresponding path program 1 times [2024-11-27 23:30:09,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:09,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192750612] [2024-11-27 23:30:09,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:09,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:09,381 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:09,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:09,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192750612] [2024-11-27 23:30:09,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192750612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:09,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:09,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:30:09,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827790975] [2024-11-27 23:30:09,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:09,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:09,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:09,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:09,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:30:09,384 INFO L87 Difference]: Start difference. First operand 101 states and 139 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:09,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:09,474 INFO L93 Difference]: Finished difference Result 228 states and 314 transitions. [2024-11-27 23:30:09,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:30:09,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-11-27 23:30:09,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:09,476 INFO L225 Difference]: With dead ends: 228 [2024-11-27 23:30:09,477 INFO L226 Difference]: Without dead ends: 135 [2024-11-27 23:30:09,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:30:09,478 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 49 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:09,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 561 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:09,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-27 23:30:09,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 101. [2024-11-27 23:30:09,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 85 states have (on average 1.3176470588235294) internal successors, (112), 86 states have internal predecessors, (112), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:30:09,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 138 transitions. [2024-11-27 23:30:09,507 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 138 transitions. Word has length 96 [2024-11-27 23:30:09,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:09,508 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 138 transitions. [2024-11-27 23:30:09,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 138 transitions. [2024-11-27 23:30:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-27 23:30:09,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:09,513 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:09,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:30:09,513 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:09,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:09,514 INFO L85 PathProgramCache]: Analyzing trace with hash 299377833, now seen corresponding path program 1 times [2024-11-27 23:30:09,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:09,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573767916] [2024-11-27 23:30:09,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:09,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:09,753 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:09,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:09,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573767916] [2024-11-27 23:30:09,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573767916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:09,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:09,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:30:09,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145499355] [2024-11-27 23:30:09,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:09,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:09,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:09,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:09,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:30:09,756 INFO L87 Difference]: Start difference. First operand 101 states and 138 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:09,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:09,838 INFO L93 Difference]: Finished difference Result 221 states and 301 transitions. [2024-11-27 23:30:09,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:30:09,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 97 [2024-11-27 23:30:09,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:09,842 INFO L225 Difference]: With dead ends: 221 [2024-11-27 23:30:09,842 INFO L226 Difference]: Without dead ends: 128 [2024-11-27 23:30:09,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:30:09,843 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 38 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:09,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 445 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:09,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-27 23:30:09,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 101. [2024-11-27 23:30:09,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 85 states have (on average 1.3058823529411765) internal successors, (111), 86 states have internal predecessors, (111), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:30:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 137 transitions. [2024-11-27 23:30:09,863 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 137 transitions. Word has length 97 [2024-11-27 23:30:09,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:09,864 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 137 transitions. [2024-11-27 23:30:09,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:09,864 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2024-11-27 23:30:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 23:30:09,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:09,866 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:09,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:30:09,866 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:09,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:09,866 INFO L85 PathProgramCache]: Analyzing trace with hash -2015358015, now seen corresponding path program 1 times [2024-11-27 23:30:09,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:09,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344643467] [2024-11-27 23:30:09,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:09,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:10,764 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:10,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:10,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344643467] [2024-11-27 23:30:10,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344643467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:10,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:10,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 23:30:10,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92712588] [2024-11-27 23:30:10,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:10,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:30:10,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:10,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:30:10,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:30:10,768 INFO L87 Difference]: Start difference. First operand 101 states and 137 transitions. Second operand has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-27 23:30:11,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:11,219 INFO L93 Difference]: Finished difference Result 273 states and 369 transitions. [2024-11-27 23:30:11,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:30:11,220 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 98 [2024-11-27 23:30:11,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:11,221 INFO L225 Difference]: With dead ends: 273 [2024-11-27 23:30:11,222 INFO L226 Difference]: Without dead ends: 180 [2024-11-27 23:30:11,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:30:11,223 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 376 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:11,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 723 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:30:11,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-27 23:30:11,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 177. [2024-11-27 23:30:11,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 151 states have (on average 1.304635761589404) internal successors, (197), 153 states have internal predecessors, (197), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-27 23:30:11,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 239 transitions. [2024-11-27 23:30:11,246 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 239 transitions. Word has length 98 [2024-11-27 23:30:11,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:11,247 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 239 transitions. [2024-11-27 23:30:11,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-27 23:30:11,247 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 239 transitions. [2024-11-27 23:30:11,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 23:30:11,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:11,248 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:11,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:30:11,249 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:11,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:11,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1087608865, now seen corresponding path program 1 times [2024-11-27 23:30:11,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:11,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784014903] [2024-11-27 23:30:11,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:11,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:11,491 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:11,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:11,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784014903] [2024-11-27 23:30:11,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784014903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:11,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:11,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:30:11,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149093018] [2024-11-27 23:30:11,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:11,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:11,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:11,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:11,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:30:11,493 INFO L87 Difference]: Start difference. First operand 177 states and 239 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:11,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:11,650 INFO L93 Difference]: Finished difference Result 453 states and 606 transitions. [2024-11-27 23:30:11,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:30:11,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-27 23:30:11,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:11,653 INFO L225 Difference]: With dead ends: 453 [2024-11-27 23:30:11,653 INFO L226 Difference]: Without dead ends: 284 [2024-11-27 23:30:11,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:30:11,654 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 111 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:11,655 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 372 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:11,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-27 23:30:11,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2024-11-27 23:30:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 242 states have (on average 1.28099173553719) internal successors, (310), 246 states have internal predecessors, (310), 29 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-27 23:30:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 368 transitions. [2024-11-27 23:30:11,697 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 368 transitions. Word has length 99 [2024-11-27 23:30:11,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:11,697 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 368 transitions. [2024-11-27 23:30:11,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:11,698 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 368 transitions. [2024-11-27 23:30:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 23:30:11,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:11,699 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:11,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 23:30:11,699 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:11,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:11,700 INFO L85 PathProgramCache]: Analyzing trace with hash 758968289, now seen corresponding path program 1 times [2024-11-27 23:30:11,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:11,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432625069] [2024-11-27 23:30:11,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:11,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:11,868 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 23:30:11,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:11,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432625069] [2024-11-27 23:30:11,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432625069] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:11,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79694485] [2024-11-27 23:30:11,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:11,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:11,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:11,871 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:11,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:30:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:12,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:30:12,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:12,201 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:12,202 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:12,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79694485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:12,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:12,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-11-27 23:30:12,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864907210] [2024-11-27 23:30:12,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:12,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:12,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:12,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:12,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:30:12,204 INFO L87 Difference]: Start difference. First operand 280 states and 368 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:12,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:12,275 INFO L93 Difference]: Finished difference Result 554 states and 728 transitions. [2024-11-27 23:30:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:30:12,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-27 23:30:12,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:12,277 INFO L225 Difference]: With dead ends: 554 [2024-11-27 23:30:12,277 INFO L226 Difference]: Without dead ends: 282 [2024-11-27 23:30:12,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:30:12,278 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 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 [2024-11-27 23:30:12,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:12,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-27 23:30:12,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 278. [2024-11-27 23:30:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 240 states have (on average 1.2666666666666666) internal successors, (304), 244 states have internal predecessors, (304), 29 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-27 23:30:12,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 362 transitions. [2024-11-27 23:30:12,330 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 362 transitions. Word has length 99 [2024-11-27 23:30:12,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:12,332 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 362 transitions. [2024-11-27 23:30:12,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 362 transitions. [2024-11-27 23:30:12,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 23:30:12,334 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:12,334 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:12,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 23:30:12,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 23:30:12,535 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:12,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:12,536 INFO L85 PathProgramCache]: Analyzing trace with hash -597942175, now seen corresponding path program 1 times [2024-11-27 23:30:12,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:12,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372664494] [2024-11-27 23:30:12,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:12,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:12,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:12,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372664494] [2024-11-27 23:30:12,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372664494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:12,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:12,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:30:12,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719212916] [2024-11-27 23:30:12,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:12,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:30:12,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:12,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:30:12,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:30:12,817 INFO L87 Difference]: Start difference. First operand 278 states and 362 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:13,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:13,003 INFO L93 Difference]: Finished difference Result 645 states and 836 transitions. [2024-11-27 23:30:13,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:30:13,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-27 23:30:13,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:13,006 INFO L225 Difference]: With dead ends: 645 [2024-11-27 23:30:13,006 INFO L226 Difference]: Without dead ends: 375 [2024-11-27 23:30:13,008 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 [2024-11-27 23:30:13,009 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 49 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:13,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 714 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:13,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-27 23:30:13,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 286. [2024-11-27 23:30:13,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 248 states have (on average 1.2741935483870968) internal successors, (316), 252 states have internal predecessors, (316), 29 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-27 23:30:13,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 374 transitions. [2024-11-27 23:30:13,072 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 374 transitions. Word has length 99 [2024-11-27 23:30:13,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:13,072 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 374 transitions. [2024-11-27 23:30:13,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 374 transitions. [2024-11-27 23:30:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 23:30:13,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:13,074 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:13,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 23:30:13,074 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:13,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:13,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1619010529, now seen corresponding path program 1 times [2024-11-27 23:30:13,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:13,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886692425] [2024-11-27 23:30:13,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:13,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:13,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:13,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886692425] [2024-11-27 23:30:13,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886692425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:13,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:13,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:30:13,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074593674] [2024-11-27 23:30:13,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:13,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:13,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:13,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:13,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:30:13,347 INFO L87 Difference]: Start difference. First operand 286 states and 374 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:13,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:13,519 INFO L93 Difference]: Finished difference Result 638 states and 826 transitions. [2024-11-27 23:30:13,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:30:13,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-27 23:30:13,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:13,524 INFO L225 Difference]: With dead ends: 638 [2024-11-27 23:30:13,524 INFO L226 Difference]: Without dead ends: 360 [2024-11-27 23:30:13,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:30:13,526 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 98 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:13,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 371 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:13,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-27 23:30:13,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 269. [2024-11-27 23:30:13,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 233 states have (on average 1.2660944206008584) internal successors, (295), 236 states have internal predecessors, (295), 27 states have call successors, (27), 8 states have call predecessors, (27), 8 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:30:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 349 transitions. [2024-11-27 23:30:13,577 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 349 transitions. Word has length 99 [2024-11-27 23:30:13,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:13,578 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 349 transitions. [2024-11-27 23:30:13,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:13,578 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 349 transitions. [2024-11-27 23:30:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 23:30:13,580 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:13,581 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:13,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 23:30:13,582 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:13,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:13,583 INFO L85 PathProgramCache]: Analyzing trace with hash 122883806, now seen corresponding path program 1 times [2024-11-27 23:30:13,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:13,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892488946] [2024-11-27 23:30:13,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:13,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:30:13,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [524508974] [2024-11-27 23:30:13,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:13,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:13,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:13,671 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:13,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:30:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:14,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-27 23:30:14,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:14,479 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 23 treesize of output 3 [2024-11-27 23:30:14,696 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 [2024-11-27 23:30:14,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-27 23:30:14,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-27 23:30:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-27 23:30:14,951 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:15,168 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:15,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:15,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892488946] [2024-11-27 23:30:15,170 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:30:15,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524508974] [2024-11-27 23:30:15,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524508974] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:15,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:15,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2024-11-27 23:30:15,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75333153] [2024-11-27 23:30:15,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:15,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:15,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:15,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:15,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:30:15,172 INFO L87 Difference]: Start difference. First operand 269 states and 349 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:15,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:15,359 INFO L93 Difference]: Finished difference Result 617 states and 804 transitions. [2024-11-27 23:30:15,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:30:15,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-27 23:30:15,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:15,362 INFO L225 Difference]: With dead ends: 617 [2024-11-27 23:30:15,362 INFO L226 Difference]: Without dead ends: 351 [2024-11-27 23:30:15,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:30:15,363 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 52 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:15,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 492 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:15,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-27 23:30:15,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 311. [2024-11-27 23:30:15,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 275 states have (on average 1.2545454545454546) internal successors, (345), 278 states have internal predecessors, (345), 27 states have call successors, (27), 8 states have call predecessors, (27), 8 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:30:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 399 transitions. [2024-11-27 23:30:15,399 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 399 transitions. Word has length 99 [2024-11-27 23:30:15,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:15,399 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 399 transitions. [2024-11-27 23:30:15,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:15,400 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 399 transitions. [2024-11-27 23:30:15,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:30:15,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:15,401 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:15,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:30:15,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-27 23:30:15,606 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:15,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:15,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1750032719, now seen corresponding path program 1 times [2024-11-27 23:30:15,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:15,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996703821] [2024-11-27 23:30:15,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:15,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:15,796 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 23:30:15,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:15,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996703821] [2024-11-27 23:30:15,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996703821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:15,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415405213] [2024-11-27 23:30:15,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:15,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:15,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:15,799 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:15,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 23:30:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:16,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:30:16,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:16,151 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:16,152 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:16,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415405213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:16,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:16,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-11-27 23:30:16,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227926631] [2024-11-27 23:30:16,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:16,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:30:16,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:16,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:30:16,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:30:16,154 INFO L87 Difference]: Start difference. First operand 311 states and 399 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:16,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:16,230 INFO L93 Difference]: Finished difference Result 635 states and 815 transitions. [2024-11-27 23:30:16,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:30:16,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 100 [2024-11-27 23:30:16,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:16,233 INFO L225 Difference]: With dead ends: 635 [2024-11-27 23:30:16,233 INFO L226 Difference]: Without dead ends: 327 [2024-11-27 23:30:16,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:30:16,236 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:16,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 556 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:16,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-27 23:30:16,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 321. [2024-11-27 23:30:16,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 285 states have (on average 1.2456140350877194) internal successors, (355), 288 states have internal predecessors, (355), 27 states have call successors, (27), 8 states have call predecessors, (27), 8 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:30:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 409 transitions. [2024-11-27 23:30:16,271 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 409 transitions. Word has length 100 [2024-11-27 23:30:16,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:16,272 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 409 transitions. [2024-11-27 23:30:16,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 409 transitions. [2024-11-27 23:30:16,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:30:16,274 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:16,274 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:16,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:16,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-27 23:30:16,479 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:16,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:16,480 INFO L85 PathProgramCache]: Analyzing trace with hash 125932902, now seen corresponding path program 1 times [2024-11-27 23:30:16,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:16,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206248994] [2024-11-27 23:30:16,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:16,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:30:16,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2066280243] [2024-11-27 23:30:16,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:16,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:16,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:16,568 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:16,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 23:30:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:30:17,079 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:30:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:30:17,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 23:30:17,427 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 23:30:17,428 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:30:17,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 23:30:17,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-27 23:30:17,634 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:17,810 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:30:17,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:30:17 BoogieIcfgContainer [2024-11-27 23:30:17,814 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:30:17,814 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:30:17,814 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:30:17,815 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:30:17,815 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:30:01" (3/4) ... [2024-11-27 23:30:17,818 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 23:30:17,819 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:30:17,820 INFO L158 Benchmark]: Toolchain (without parser) took 17251.44ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 94.4MB in the beginning and 289.5MB in the end (delta: -195.1MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. [2024-11-27 23:30:17,820 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:30:17,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.68ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 80.6MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:30:17,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.65ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 77.6MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:30:17,821 INFO L158 Benchmark]: Boogie Preprocessor took 95.09ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 73.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:30:17,821 INFO L158 Benchmark]: RCFGBuilder took 802.62ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 40.9MB in the end (delta: 32.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 23:30:17,822 INFO L158 Benchmark]: TraceAbstraction took 16002.18ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 40.4MB in the beginning and 289.5MB in the end (delta: -249.2MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2024-11-27 23:30:17,822 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 427.8MB. Free memory was 289.5MB in the beginning and 289.5MB in the end (delta: 56.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:30:17,824 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.68ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 80.6MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.65ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 77.6MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.09ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 73.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 802.62ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 40.9MB in the end (delta: 32.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 16002.18ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 40.4MB in the beginning and 289.5MB in the end (delta: -249.2MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 427.8MB. Free memory was 289.5MB in the beginning and 289.5MB in the end (delta: 56.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 200; [L22] signed long int var_1_1 = 200; [L23] signed long int* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_2 = 0; [L24] unsigned char var_1_2 = 0; [L25] unsigned char* var_1_2_Pointer = &(var_1_2); [L26] signed long int var_1_3 = 1107940323; [L26] signed long int var_1_3 = 1107940323; [L27] signed long int* var_1_3_Pointer = &(var_1_3); [L28] unsigned char var_1_6 = 0; [L28] unsigned char var_1_6 = 0; [L29] unsigned char* var_1_6_Pointer = &(var_1_6); [L30] signed long int var_1_7 = 4; [L30] signed long int var_1_7 = 4; [L31] signed long int* var_1_7_Pointer = &(var_1_7); [L32] signed long int var_1_8 = -32; [L32] signed long int var_1_8 = -32; [L33] signed long int* var_1_8_Pointer = &(var_1_8); [L34] unsigned char var_1_9 = 64; [L34] unsigned char var_1_9 = 64; [L35] unsigned char* var_1_9_Pointer = &(var_1_9); [L36] unsigned char var_1_12 = 4; [L36] unsigned char var_1_12 = 4; [L37] unsigned char* var_1_12_Pointer = &(var_1_12); [L38] double var_1_13 = 0.97; [L38] double var_1_13 = 0.97; [L39] double* var_1_13_Pointer = &(var_1_13); [L40] double var_1_14 = 32.6; [L40] double var_1_14 = 32.6; [L41] double* var_1_14_Pointer = &(var_1_14); [L42] signed long int last_1_var_1_7 = 4; [L43] double last_1_var_1_13 = 0.97; VAL [isInitial=0, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L110] isInitial = 1 [L111] FCALL initially() [L113] CALL updateLastVariables() [L102] EXPR \read(var_1_7) [L102] last_1_var_1_7 = var_1_7 [L103] EXPR \read(var_1_13) [L103] last_1_var_1_13 = var_1_13 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_uchar() [L84] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] var_1_3 = __VERIFIER_nondet_long() [L87] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] CALL assume_abort_if_not(var_1_3 >= 1073741822) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] RET assume_abort_if_not(var_1_3 >= 1073741822) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] CALL assume_abort_if_not(var_1_3 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] RET assume_abort_if_not(var_1_3 <= 2147483646) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] var_1_6 = __VERIFIER_nondet_uchar() [L90] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] var_1_8 = __VERIFIER_nondet_long() [L93] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] CALL assume_abort_if_not(var_1_8 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] RET assume_abort_if_not(var_1_8 >= -1073741823) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] CALL assume_abort_if_not(var_1_8 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] RET assume_abort_if_not(var_1_8 <= 1073741823) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] var_1_12 = __VERIFIER_nondet_uchar() [L96] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] var_1_14 = __VERIFIER_nondet_double() [L99] EXPR \read(var_1_14) [L99] EXPR var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F [L99] EXPR \read(var_1_14) [L99] EXPR var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L114] RET updateVariables() [L115] CALL step() [L47] EXPR \read(*var_1_3_Pointer) [L47] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L47] COND FALSE !(! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) [L54] EXPR \read(*var_1_12_Pointer) [L54] (*(var_1_9_Pointer)) = (*(var_1_12_Pointer)) [L56] EXPR \read(*var_1_9_Pointer) [L56] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L56] COND FALSE !((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) [L59] EXPR \read(*var_1_9_Pointer) [L59] EXPR \read(*var_1_3_Pointer) [L59] (*(var_1_7_Pointer)) = ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))) [L61] EXPR \read(*var_1_9_Pointer) [L61] EXPR \read(*var_1_3_Pointer) [L61] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L61] COND FALSE !(((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) [L72] EXPR \read(*var_1_14_Pointer) [L72] (*(var_1_13_Pointer)) = (*(var_1_14_Pointer)) [L74] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L74] COND TRUE (*(var_1_2_Pointer)) [L75] EXPR \read(*var_1_3_Pointer) [L75] EXPR \read(*var_1_9_Pointer) [L75] EXPR \read(*var_1_9_Pointer) [L75] (*(var_1_1_Pointer)) = (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))) [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1) [L106] EXPR \read(*var_1_1_Pointer) [L106] EXPR \read(*var_1_3_Pointer) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR (*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer)))))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer)))))) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))) [L106] EXPR \read(*var_1_7_Pointer) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR \read(*var_1_3_Pointer) [L106] EXPR ((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer)))))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) [L106] EXPR \read(*var_1_3_Pointer) [L106] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR \read(*var_1_12_Pointer) [L106] EXPR (! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR \read(*var_1_3_Pointer) [L106] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer)))) [L106] EXPR \read(*var_1_13_Pointer) [L106] EXPR \read(*var_1_14_Pointer) [L106] EXPR (((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer)))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106-L107] return ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.7s, OverallIterations: 17, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1047 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1047 mSDsluCounter, 7143 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5089 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1105 IncrementalHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 2054 mSDtfsCounter, 1105 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 608 GetRequests, 513 SyntacticMatches, 1 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=321occurred in iteration=16, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 341 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 2142 NumberOfCodeBlocks, 2142 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1922 ConstructedInterpolants, 0 QuantifiedInterpolants, 4212 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1788 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 4168/4400 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 [2024-11-27 23:30:17,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/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_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB --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 08a905a57e2510263318b707c70f3b678c7204182c8cd0b9b57e46d4fa7b9fa2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:30:20,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:30:20,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 23:30:20,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:30:20,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:30:20,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:30:20,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:30:20,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:30:20,924 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:30:20,925 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:30:20,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:30:20,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:30:20,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:30:20,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:30:20,927 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:30:20,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:30:20,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:30:20,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:30:20,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:30:20,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:30:20,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:30:20,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:30:20,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:30:20,928 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 23:30:20,928 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 23:30:20,928 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 23:30:20,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:30:20,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:30:20,928 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:30:20,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:30:20,929 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:30:20,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:30:20,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:30:20,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:30:20,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:30:20,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:30:20,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:30:20,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:30:20,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:30:20,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:30:20,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:30:20,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:30:20,932 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:30:20,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:30:20,933 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 23:30:20,933 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 23:30:20,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:30:20,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:30:20,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:30:20,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:30:20,934 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_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 08a905a57e2510263318b707c70f3b678c7204182c8cd0b9b57e46d4fa7b9fa2 [2024-11-27 23:30:21,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:30:21,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:30:21,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:30:21,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:30:21,349 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:30:21,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i [2024-11-27 23:30:24,619 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/data/a8ef7e002/47e04dda4f794e5789c3abce19f17ccd/FLAGc1cf1af2e [2024-11-27 23:30:24,904 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:30:24,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i [2024-11-27 23:30:24,914 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/data/a8ef7e002/47e04dda4f794e5789c3abce19f17ccd/FLAGc1cf1af2e [2024-11-27 23:30:24,938 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/data/a8ef7e002/47e04dda4f794e5789c3abce19f17ccd [2024-11-27 23:30:24,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:30:24,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:30:24,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:30:24,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:30:24,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:30:24,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:30:24" (1/1) ... [2024-11-27 23:30:24,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2784d3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:24, skipping insertion in model container [2024-11-27 23:30:24,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:30:24" (1/1) ... [2024-11-27 23:30:24,977 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:30:25,158 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_d671e8e7-11c6-41e5-974d-96adac25ff2e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i[916,929] [2024-11-27 23:30:25,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:30:25,258 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:30:25,269 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_d671e8e7-11c6-41e5-974d-96adac25ff2e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i[916,929] [2024-11-27 23:30:25,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:30:25,325 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:30:25,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25 WrapperNode [2024-11-27 23:30:25,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:30:25,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:30:25,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:30:25,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:30:25,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25" (1/1) ... [2024-11-27 23:30:25,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25" (1/1) ... [2024-11-27 23:30:25,405 INFO L138 Inliner]: procedures = 33, calls = 142, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 434 [2024-11-27 23:30:25,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:30:25,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:30:25,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:30:25,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:30:25,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25" (1/1) ... [2024-11-27 23:30:25,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25" (1/1) ... [2024-11-27 23:30:25,437 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25" (1/1) ... [2024-11-27 23:30:25,495 INFO L175 MemorySlicer]: Split 110 memory accesses to 11 slices as follows [2, 5, 8, 16, 12, 6, 6, 25, 8, 10, 12]. 23 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 2, 1, 1, 1, 2, 1, 2, 1, 4, 1]. [2024-11-27 23:30:25,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25" (1/1) ... [2024-11-27 23:30:25,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25" (1/1) ... [2024-11-27 23:30:25,541 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25" (1/1) ... [2024-11-27 23:30:25,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25" (1/1) ... [2024-11-27 23:30:25,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25" (1/1) ... [2024-11-27 23:30:25,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25" (1/1) ... [2024-11-27 23:30:25,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25" (1/1) ... [2024-11-27 23:30:25,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:30:25,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:30:25,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:30:25,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:30:25,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25" (1/1) ... [2024-11-27 23:30:25,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:30:25,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:25,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:30:25,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:30:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:30:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-27 23:30:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-27 23:30:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-27 23:30:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-27 23:30:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-27 23:30:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-27 23:30:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-27 23:30:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-27 23:30:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-27 23:30:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-27 23:30:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-27 23:30:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-27 23:30:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-27 23:30:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-27 23:30:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-27 23:30:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-27 23:30:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-27 23:30:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-27 23:30:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-27 23:30:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 23:30:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-27 23:30:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-27 23:30:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-27 23:30:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-27 23:30:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-27 23:30:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-27 23:30:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-27 23:30:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-27 23:30:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-27 23:30:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-27 23:30:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-27 23:30:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-27 23:30:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-27 23:30:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-27 23:30:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-27 23:30:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-27 23:30:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-27 23:30:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-27 23:30:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-27 23:30:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-27 23:30:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-27 23:30:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-27 23:30:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-27 23:30:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-27 23:30:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-27 23:30:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-27 23:30:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-27 23:30:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-27 23:30:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:30:25,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:30:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:30:25,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:30:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-27 23:30:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-27 23:30:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-27 23:30:25,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-27 23:30:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-27 23:30:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-27 23:30:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-27 23:30:25,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-27 23:30:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-27 23:30:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-27 23:30:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-27 23:30:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-27 23:30:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-27 23:30:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-27 23:30:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-27 23:30:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-27 23:30:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-27 23:30:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-27 23:30:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-27 23:30:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-27 23:30:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-27 23:30:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-27 23:30:25,979 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:30:25,981 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:30:26,785 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-27 23:30:26,785 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:30:26,797 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:30:26,797 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:30:26,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:30:26 BoogieIcfgContainer [2024-11-27 23:30:26,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:30:26,802 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:30:26,802 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:30:26,807 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:30:26,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:30:24" (1/3) ... [2024-11-27 23:30:26,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f68a7e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:30:26, skipping insertion in model container [2024-11-27 23:30:26,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:30:25" (2/3) ... [2024-11-27 23:30:26,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f68a7e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:30:26, skipping insertion in model container [2024-11-27 23:30:26,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:30:26" (3/3) ... [2024-11-27 23:30:26,812 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-31.i [2024-11-27 23:30:26,828 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:30:26,830 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-31.i that has 2 procedures, 87 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:30:26,912 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:30:26,930 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;@de903de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:30:26,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:30:26,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 23:30:26,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-27 23:30:26,950 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:26,952 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:26,952 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:26,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:26,961 INFO L85 PathProgramCache]: Analyzing trace with hash -2081525877, now seen corresponding path program 1 times [2024-11-27 23:30:26,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:26,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69169590] [2024-11-27 23:30:26,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:26,980 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 [2024-11-27 23:30:26,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:26,983 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:26,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:27,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:30:27,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-27 23:30:27,522 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:27,525 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:27,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69169590] [2024-11-27 23:30:27,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69169590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:27,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:27,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:30:27,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553856824] [2024-11-27 23:30:27,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:27,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:30:27,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:27,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:30:27,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:30:27,561 INFO L87 Difference]: Start difference. First operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:27,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:27,591 INFO L93 Difference]: Finished difference Result 164 states and 256 transitions. [2024-11-27 23:30:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:30:27,593 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2024-11-27 23:30:27,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:27,599 INFO L225 Difference]: With dead ends: 164 [2024-11-27 23:30:27,600 INFO L226 Difference]: Without dead ends: 80 [2024-11-27 23:30:27,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:30:27,606 INFO L435 NwaCegarLoop]: 114 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, 114 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 [2024-11-27 23:30:27,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:27,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-27 23:30:27,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-27 23:30:27,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 23:30:27,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2024-11-27 23:30:27,652 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 94 [2024-11-27 23:30:27,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:27,653 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2024-11-27 23:30:27,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:27,653 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2024-11-27 23:30:27,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-27 23:30:27,657 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:27,657 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:27,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:27,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:27,859 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:27,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:27,859 INFO L85 PathProgramCache]: Analyzing trace with hash -532540963, now seen corresponding path program 1 times [2024-11-27 23:30:27,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:27,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [315105435] [2024-11-27 23:30:27,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:27,860 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 [2024-11-27 23:30:27,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:27,863 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:27,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:28,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:30:28,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:28,325 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-27 23:30:28,325 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:28,325 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:28,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [315105435] [2024-11-27 23:30:28,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [315105435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:28,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:28,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:30:28,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225387262] [2024-11-27 23:30:28,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:28,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:30:28,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:28,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:30:28,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:30:28,329 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 23:30:28,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:28,435 INFO L93 Difference]: Finished difference Result 159 states and 228 transitions. [2024-11-27 23:30:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:30:28,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2024-11-27 23:30:28,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:28,439 INFO L225 Difference]: With dead ends: 159 [2024-11-27 23:30:28,440 INFO L226 Difference]: Without dead ends: 82 [2024-11-27 23:30:28,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:30:28,441 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 325 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 [2024-11-27 23:30:28,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 325 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:28,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-27 23:30:28,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-27 23:30:28,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 69 states have internal predecessors, (94), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 23:30:28,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 116 transitions. [2024-11-27 23:30:28,462 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 116 transitions. Word has length 94 [2024-11-27 23:30:28,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:28,464 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 116 transitions. [2024-11-27 23:30:28,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 23:30:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2024-11-27 23:30:28,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-27 23:30:28,466 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:28,466 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:28,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:28,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:28,667 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:28,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:28,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1918744357, now seen corresponding path program 1 times [2024-11-27 23:30:28,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:28,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5963935] [2024-11-27 23:30:28,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:28,668 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:28,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:28,670 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:28,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:29,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:30:29,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:29,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-27 23:30:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:29,165 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:29,166 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:29,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5963935] [2024-11-27 23:30:29,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5963935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:29,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:29,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:30:29,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068330860] [2024-11-27 23:30:29,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:29,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:30:29,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:29,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:30:29,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:30:29,168 INFO L87 Difference]: Start difference. First operand 82 states and 116 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:29,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:29,213 INFO L93 Difference]: Finished difference Result 161 states and 229 transitions. [2024-11-27 23:30:29,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:30:29,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2024-11-27 23:30:29,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:29,220 INFO L225 Difference]: With dead ends: 161 [2024-11-27 23:30:29,220 INFO L226 Difference]: Without dead ends: 82 [2024-11-27 23:30:29,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:30:29,221 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 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 [2024-11-27 23:30:29,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:29,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-27 23:30:29,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-27 23:30:29,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 69 states have internal predecessors, (93), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 23:30:29,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 115 transitions. [2024-11-27 23:30:29,239 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 115 transitions. Word has length 94 [2024-11-27 23:30:29,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:29,239 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 115 transitions. [2024-11-27 23:30:29,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2024-11-27 23:30:29,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-27 23:30:29,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:29,242 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:29,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:29,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:29,443 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:29,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:29,443 INFO L85 PathProgramCache]: Analyzing trace with hash 787875037, now seen corresponding path program 1 times [2024-11-27 23:30:29,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:29,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575050254] [2024-11-27 23:30:29,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:29,444 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 [2024-11-27 23:30:29,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:29,449 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:29,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:29,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:30:29,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:30,369 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 26 treesize of output 22 [2024-11-27 23:30:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-27 23:30:30,568 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:30,827 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:30,828 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:30,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575050254] [2024-11-27 23:30:30,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1575050254] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:30,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:30,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2024-11-27 23:30:30,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714907370] [2024-11-27 23:30:30,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:30,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:30,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:30,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:30,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:30:30,830 INFO L87 Difference]: Start difference. First operand 82 states and 115 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:31,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:31,298 INFO L93 Difference]: Finished difference Result 203 states and 283 transitions. [2024-11-27 23:30:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:30:31,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2024-11-27 23:30:31,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:31,300 INFO L225 Difference]: With dead ends: 203 [2024-11-27 23:30:31,301 INFO L226 Difference]: Without dead ends: 124 [2024-11-27 23:30:31,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:30:31,302 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 53 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:31,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 424 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:30:31,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-27 23:30:31,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 121. [2024-11-27 23:30:31,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 106 states have internal predecessors, (142), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:30:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 168 transitions. [2024-11-27 23:30:31,320 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 168 transitions. Word has length 94 [2024-11-27 23:30:31,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:31,321 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 168 transitions. [2024-11-27 23:30:31,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:31,321 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 168 transitions. [2024-11-27 23:30:31,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-27 23:30:31,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:31,325 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:31,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:31,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:31,530 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:31,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:31,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1840859288, now seen corresponding path program 1 times [2024-11-27 23:30:31,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:31,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315880135] [2024-11-27 23:30:31,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:31,531 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:31,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:31,533 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:31,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:31,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:30:31,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:31,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-27 23:30:31,910 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:31,910 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:31,911 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:31,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315880135] [2024-11-27 23:30:31,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315880135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:31,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:31,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:30:31,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635748851] [2024-11-27 23:30:31,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:31,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:30:31,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:31,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:30:31,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:30:31,914 INFO L87 Difference]: Start difference. First operand 121 states and 168 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:31,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:31,949 INFO L93 Difference]: Finished difference Result 239 states and 333 transitions. [2024-11-27 23:30:31,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:30:31,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-11-27 23:30:31,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:31,957 INFO L225 Difference]: With dead ends: 239 [2024-11-27 23:30:31,957 INFO L226 Difference]: Without dead ends: 121 [2024-11-27 23:30:31,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:30:31,959 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:31,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 218 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:31,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-27 23:30:31,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-27 23:30:31,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.3333333333333333) internal successors, (140), 106 states have internal predecessors, (140), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:30:31,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 166 transitions. [2024-11-27 23:30:31,976 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 166 transitions. Word has length 96 [2024-11-27 23:30:31,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:31,977 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 166 transitions. [2024-11-27 23:30:31,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:31,977 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 166 transitions. [2024-11-27 23:30:31,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-27 23:30:31,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:31,983 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:31,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:32,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:32,183 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:32,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:32,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1447832278, now seen corresponding path program 1 times [2024-11-27 23:30:32,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:32,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056870279] [2024-11-27 23:30:32,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:32,185 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 [2024-11-27 23:30:32,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:32,187 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:32,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:32,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 23:30:32,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:33,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-27 23:30:33,957 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 [2024-11-27 23:30:34,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-11-27 23:30:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 149 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 23:30:34,556 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:34,811 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:34,811 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:34,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056870279] [2024-11-27 23:30:34,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2056870279] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:34,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:34,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 20 [2024-11-27 23:30:34,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354775973] [2024-11-27 23:30:34,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:34,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:30:34,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:34,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:30:34,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:30:34,814 INFO L87 Difference]: Start difference. First operand 121 states and 166 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:35,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:35,198 INFO L93 Difference]: Finished difference Result 253 states and 346 transitions. [2024-11-27 23:30:35,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:30:35,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-11-27 23:30:35,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:35,202 INFO L225 Difference]: With dead ends: 253 [2024-11-27 23:30:35,203 INFO L226 Difference]: Without dead ends: 135 [2024-11-27 23:30:35,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2024-11-27 23:30:35,206 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 61 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:35,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 461 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:30:35,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-27 23:30:35,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 97. [2024-11-27 23:30:35,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.2962962962962963) internal successors, (105), 82 states have internal predecessors, (105), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:30:35,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 131 transitions. [2024-11-27 23:30:35,226 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 131 transitions. Word has length 96 [2024-11-27 23:30:35,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:35,227 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 131 transitions. [2024-11-27 23:30:35,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:35,227 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 131 transitions. [2024-11-27 23:30:35,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-27 23:30:35,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:35,228 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:35,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:35,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:35,434 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:35,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:35,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1073875101, now seen corresponding path program 1 times [2024-11-27 23:30:35,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:35,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350158344] [2024-11-27 23:30:35,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:35,435 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 [2024-11-27 23:30:35,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:35,439 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:35,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:35,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:30:35,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:35,759 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:35,759 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:35,759 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:35,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350158344] [2024-11-27 23:30:35,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350158344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:35,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:35,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:30:35,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953622140] [2024-11-27 23:30:35,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:35,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:30:35,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:35,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:30:35,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:30:35,762 INFO L87 Difference]: Start difference. First operand 97 states and 131 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:35,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:35,783 INFO L93 Difference]: Finished difference Result 187 states and 254 transitions. [2024-11-27 23:30:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:30:35,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-11-27 23:30:35,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:35,785 INFO L225 Difference]: With dead ends: 187 [2024-11-27 23:30:35,785 INFO L226 Difference]: Without dead ends: 98 [2024-11-27 23:30:35,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:30:35,786 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:35,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:35,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-27 23:30:35,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-27 23:30:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 82 states have (on average 1.2926829268292683) internal successors, (106), 83 states have internal predecessors, (106), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:30:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 132 transitions. [2024-11-27 23:30:35,797 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 132 transitions. Word has length 96 [2024-11-27 23:30:35,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:35,797 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 132 transitions. [2024-11-27 23:30:35,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 132 transitions. [2024-11-27 23:30:35,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-27 23:30:35,798 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:35,799 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:35,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:35,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:35,999 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:36,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:36,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1660681115, now seen corresponding path program 1 times [2024-11-27 23:30:36,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:36,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016145462] [2024-11-27 23:30:36,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:36,000 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 [2024-11-27 23:30:36,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:36,002 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:36,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:36,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:30:36,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:36,713 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:30:36,713 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:36,825 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:36,825 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:36,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016145462] [2024-11-27 23:30:36,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016145462] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:36,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:36,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-27 23:30:36,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074145429] [2024-11-27 23:30:36,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:36,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:36,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:36,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:36,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:30:36,827 INFO L87 Difference]: Start difference. First operand 98 states and 132 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:36,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:36,933 INFO L93 Difference]: Finished difference Result 220 states and 296 transitions. [2024-11-27 23:30:36,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:30:36,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-11-27 23:30:36,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:36,937 INFO L225 Difference]: With dead ends: 220 [2024-11-27 23:30:36,938 INFO L226 Difference]: Without dead ends: 130 [2024-11-27 23:30:36,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:30:36,939 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 90 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:36,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 381 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:36,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-27 23:30:36,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 98. [2024-11-27 23:30:36,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:30:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 131 transitions. [2024-11-27 23:30:36,960 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 131 transitions. Word has length 96 [2024-11-27 23:30:36,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:36,961 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 131 transitions. [2024-11-27 23:30:36,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:36,961 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 131 transitions. [2024-11-27 23:30:36,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-27 23:30:36,962 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:36,962 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:36,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:37,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:37,163 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:37,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:37,164 INFO L85 PathProgramCache]: Analyzing trace with hash 299377833, now seen corresponding path program 1 times [2024-11-27 23:30:37,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:37,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103591704] [2024-11-27 23:30:37,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:37,164 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 [2024-11-27 23:30:37,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:37,166 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:37,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:37,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:30:37,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:37,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-27 23:30:37,846 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:30:37,846 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:37,993 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:37,993 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:37,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103591704] [2024-11-27 23:30:37,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [103591704] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:37,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:37,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-27 23:30:37,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176943505] [2024-11-27 23:30:37,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:37,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:37,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:37,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:37,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:30:37,995 INFO L87 Difference]: Start difference. First operand 98 states and 131 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:38,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:38,085 INFO L93 Difference]: Finished difference Result 213 states and 283 transitions. [2024-11-27 23:30:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:30:38,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 97 [2024-11-27 23:30:38,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:38,087 INFO L225 Difference]: With dead ends: 213 [2024-11-27 23:30:38,087 INFO L226 Difference]: Without dead ends: 123 [2024-11-27 23:30:38,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:30:38,088 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 68 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:38,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 314 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:38,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-27 23:30:38,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 98. [2024-11-27 23:30:38,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 82 states have (on average 1.2682926829268293) internal successors, (104), 83 states have internal predecessors, (104), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 23:30:38,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2024-11-27 23:30:38,098 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 97 [2024-11-27 23:30:38,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:38,098 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2024-11-27 23:30:38,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:38,098 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2024-11-27 23:30:38,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 23:30:38,099 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:38,100 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:38,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:38,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:38,300 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:38,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:38,301 INFO L85 PathProgramCache]: Analyzing trace with hash -2015358015, now seen corresponding path program 1 times [2024-11-27 23:30:38,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:38,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877224199] [2024-11-27 23:30:38,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:38,301 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 [2024-11-27 23:30:38,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:38,303 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:38,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:38,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:30:38,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:39,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:30:39,096 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 54 treesize of output 42 [2024-11-27 23:30:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 23:30:39,132 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:39,296 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:39,296 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:39,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877224199] [2024-11-27 23:30:39,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877224199] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:39,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:39,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 9 [2024-11-27 23:30:39,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767756220] [2024-11-27 23:30:39,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:39,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:30:39,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:39,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:30:39,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:30:39,298 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:39,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:39,564 INFO L93 Difference]: Finished difference Result 265 states and 351 transitions. [2024-11-27 23:30:39,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:30:39,565 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 98 [2024-11-27 23:30:39,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:39,566 INFO L225 Difference]: With dead ends: 265 [2024-11-27 23:30:39,566 INFO L226 Difference]: Without dead ends: 175 [2024-11-27 23:30:39,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:30:39,567 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 76 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:39,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 590 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:30:39,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-27 23:30:39,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 172. [2024-11-27 23:30:39,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 146 states have (on average 1.273972602739726) internal successors, (186), 148 states have internal predecessors, (186), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-27 23:30:39,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 228 transitions. [2024-11-27 23:30:39,588 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 228 transitions. Word has length 98 [2024-11-27 23:30:39,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:39,588 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 228 transitions. [2024-11-27 23:30:39,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:39,589 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 228 transitions. [2024-11-27 23:30:39,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 23:30:39,590 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:39,590 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:39,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:39,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:39,791 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:39,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:39,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1087608865, now seen corresponding path program 1 times [2024-11-27 23:30:39,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:39,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897780428] [2024-11-27 23:30:39,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:39,792 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 [2024-11-27 23:30:39,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:39,794 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:39,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:40,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:30:40,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:40,569 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 5 proven. 135 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-27 23:30:40,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:40,671 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:40,671 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:40,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897780428] [2024-11-27 23:30:40,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [897780428] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:40,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:40,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-27 23:30:40,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202654357] [2024-11-27 23:30:40,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:40,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:40,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:40,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:40,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:30:40,674 INFO L87 Difference]: Start difference. First operand 172 states and 228 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:40,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:40,786 INFO L93 Difference]: Finished difference Result 439 states and 576 transitions. [2024-11-27 23:30:40,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:30:40,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-27 23:30:40,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:40,789 INFO L225 Difference]: With dead ends: 439 [2024-11-27 23:30:40,789 INFO L226 Difference]: Without dead ends: 275 [2024-11-27 23:30:40,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:30:40,790 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 56 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:40,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 446 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:40,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-27 23:30:40,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 271. [2024-11-27 23:30:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 233 states have (on average 1.2489270386266094) internal successors, (291), 237 states have internal predecessors, (291), 29 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-27 23:30:40,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 349 transitions. [2024-11-27 23:30:40,812 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 349 transitions. Word has length 99 [2024-11-27 23:30:40,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:40,812 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 349 transitions. [2024-11-27 23:30:40,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:40,812 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 349 transitions. [2024-11-27 23:30:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 23:30:40,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:40,814 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:40,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:41,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:41,014 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:41,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:41,015 INFO L85 PathProgramCache]: Analyzing trace with hash 758968289, now seen corresponding path program 1 times [2024-11-27 23:30:41,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:41,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62625296] [2024-11-27 23:30:41,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:41,015 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 [2024-11-27 23:30:41,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:41,017 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:41,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:41,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:30:41,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:41,314 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:41,314 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:41,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62625296] [2024-11-27 23:30:41,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [62625296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:41,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:41,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:30:41,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599310181] [2024-11-27 23:30:41,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:41,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:41,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:41,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:41,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:30:41,316 INFO L87 Difference]: Start difference. First operand 271 states and 349 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:41,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:41,372 INFO L93 Difference]: Finished difference Result 536 states and 690 transitions. [2024-11-27 23:30:41,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:30:41,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-27 23:30:41,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:41,375 INFO L225 Difference]: With dead ends: 536 [2024-11-27 23:30:41,375 INFO L226 Difference]: Without dead ends: 273 [2024-11-27 23:30:41,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:30:41,377 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 426 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 [2024-11-27 23:30:41,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 426 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:30:41,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-27 23:30:41,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 269. [2024-11-27 23:30:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 231 states have (on average 1.2337662337662338) internal successors, (285), 235 states have internal predecessors, (285), 29 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-27 23:30:41,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 343 transitions. [2024-11-27 23:30:41,398 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 343 transitions. Word has length 99 [2024-11-27 23:30:41,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:41,398 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 343 transitions. [2024-11-27 23:30:41,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 343 transitions. [2024-11-27 23:30:41,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 23:30:41,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:41,402 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:41,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:41,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:41,602 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:41,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:41,603 INFO L85 PathProgramCache]: Analyzing trace with hash -597942175, now seen corresponding path program 1 times [2024-11-27 23:30:41,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:41,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913018339] [2024-11-27 23:30:41,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:41,603 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 [2024-11-27 23:30:41,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:41,605 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:41,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-27 23:30:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:41,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:30:41,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:42,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-11-27 23:30:42,278 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-27 23:30:42,278 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:42,353 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:42,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913018339] [2024-11-27 23:30:42,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913018339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:42,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [508066718] [2024-11-27 23:30:42,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:42,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:30:42,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:30:42,356 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:30:42,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-27 23:30:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:43,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:30:43,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:43,368 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 [2024-11-27 23:30:43,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-27 23:30:43,846 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 23:30:43,846 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:44,012 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:44,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [508066718] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:44,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:30:44,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 7] total 17 [2024-11-27 23:30:44,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466583887] [2024-11-27 23:30:44,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:44,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:30:44,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:44,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:30:44,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:30:44,014 INFO L87 Difference]: Start difference. First operand 269 states and 343 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:44,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:44,296 INFO L93 Difference]: Finished difference Result 623 states and 790 transitions. [2024-11-27 23:30:44,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:30:44,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-27 23:30:44,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:44,301 INFO L225 Difference]: With dead ends: 623 [2024-11-27 23:30:44,301 INFO L226 Difference]: Without dead ends: 362 [2024-11-27 23:30:44,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:30:44,303 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 45 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:44,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 663 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:30:44,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-27 23:30:44,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 277. [2024-11-27 23:30:44,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 239 states have (on average 1.2426778242677825) internal successors, (297), 243 states have internal predecessors, (297), 29 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-27 23:30:44,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 355 transitions. [2024-11-27 23:30:44,325 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 355 transitions. Word has length 99 [2024-11-27 23:30:44,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:44,326 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 355 transitions. [2024-11-27 23:30:44,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:44,326 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 355 transitions. [2024-11-27 23:30:44,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 23:30:44,327 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:44,327 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:44,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-27 23:30:44,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:44,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-27 23:30:44,728 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:44,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:44,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1619010529, now seen corresponding path program 1 times [2024-11-27 23:30:44,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:44,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386841829] [2024-11-27 23:30:44,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:44,729 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 [2024-11-27 23:30:44,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:44,732 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:44,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:45,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:30:45,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:45,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-11-27 23:30:45,346 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-27 23:30:45,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:45,437 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:45,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386841829] [2024-11-27 23:30:45,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386841829] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:45,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1512808391] [2024-11-27 23:30:45,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:45,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:30:45,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:30:45,441 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:30:45,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-27 23:30:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:46,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 23:30:46,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:46,507 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 [2024-11-27 23:30:47,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-11-27 23:30:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-27 23:30:47,206 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:47,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1512808391] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:47,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:30:47,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2024-11-27 23:30:47,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021839676] [2024-11-27 23:30:47,430 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:30:47,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 23:30:47,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:47,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 23:30:47,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:30:47,431 INFO L87 Difference]: Start difference. First operand 277 states and 355 transitions. Second operand has 15 states, 13 states have (on average 7.230769230769231) internal successors, (94), 13 states have internal predecessors, (94), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-27 23:30:48,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:48,151 INFO L93 Difference]: Finished difference Result 558 states and 700 transitions. [2024-11-27 23:30:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:30:48,153 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 7.230769230769231) internal successors, (94), 13 states have internal predecessors, (94), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 99 [2024-11-27 23:30:48,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:48,157 INFO L225 Difference]: With dead ends: 558 [2024-11-27 23:30:48,157 INFO L226 Difference]: Without dead ends: 289 [2024-11-27 23:30:48,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 233 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=173, Invalid=583, Unknown=0, NotChecked=0, Total=756 [2024-11-27 23:30:48,160 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 319 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:48,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 569 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:30:48,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-27 23:30:48,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 273. [2024-11-27 23:30:48,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 231 states have (on average 1.199134199134199) internal successors, (277), 235 states have internal predecessors, (277), 29 states have call successors, (29), 12 states have call predecessors, (29), 12 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-27 23:30:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 335 transitions. [2024-11-27 23:30:48,198 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 335 transitions. Word has length 99 [2024-11-27 23:30:48,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:48,198 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 335 transitions. [2024-11-27 23:30:48,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 7.230769230769231) internal successors, (94), 13 states have internal predecessors, (94), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-27 23:30:48,199 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 335 transitions. [2024-11-27 23:30:48,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 23:30:48,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:48,203 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:48,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-27 23:30:48,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:48,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:48,604 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:48,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:48,604 INFO L85 PathProgramCache]: Analyzing trace with hash 122883806, now seen corresponding path program 1 times [2024-11-27 23:30:48,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:48,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252824903] [2024-11-27 23:30:48,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:48,605 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 [2024-11-27 23:30:48,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:48,608 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:48,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:48,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:30:48,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:49,763 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 [2024-11-27 23:30:49,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-27 23:30:49,810 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-27 23:30:49,810 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:50,773 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:50,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [252824903] [2024-11-27 23:30:50,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [252824903] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:50,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:50,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-27 23:30:50,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257845971] [2024-11-27 23:30:50,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:50,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:30:50,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:50,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:30:50,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:30:50,775 INFO L87 Difference]: Start difference. First operand 273 states and 335 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:51,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:51,824 INFO L93 Difference]: Finished difference Result 540 states and 661 transitions. [2024-11-27 23:30:51,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:30:51,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-27 23:30:51,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:51,830 INFO L225 Difference]: With dead ends: 540 [2024-11-27 23:30:51,830 INFO L226 Difference]: Without dead ends: 275 [2024-11-27 23:30:51,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:30:51,831 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 86 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:51,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 373 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:30:51,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-27 23:30:51,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 273. [2024-11-27 23:30:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 231 states have (on average 1.1904761904761905) internal successors, (275), 235 states have internal predecessors, (275), 29 states have call successors, (29), 12 states have call predecessors, (29), 12 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-27 23:30:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 333 transitions. [2024-11-27 23:30:51,859 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 333 transitions. Word has length 99 [2024-11-27 23:30:51,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:51,859 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 333 transitions. [2024-11-27 23:30:51,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:51,860 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 333 transitions. [2024-11-27 23:30:51,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:30:51,860 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:51,861 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:51,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:52,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:52,061 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:52,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:52,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1750032719, now seen corresponding path program 1 times [2024-11-27 23:30:52,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:52,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [427898677] [2024-11-27 23:30:52,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:52,062 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 [2024-11-27 23:30:52,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:52,064 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:52,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:52,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:30:52,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:52,425 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:30:52,425 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:30:52,425 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:52,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [427898677] [2024-11-27 23:30:52,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [427898677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:52,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:52,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:30:52,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778482046] [2024-11-27 23:30:52,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:52,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:30:52,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:52,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:30:52,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:30:52,427 INFO L87 Difference]: Start difference. First operand 273 states and 333 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:52,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:52,538 INFO L93 Difference]: Finished difference Result 538 states and 656 transitions. [2024-11-27 23:30:52,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:30:52,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 100 [2024-11-27 23:30:52,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:52,541 INFO L225 Difference]: With dead ends: 538 [2024-11-27 23:30:52,541 INFO L226 Difference]: Without dead ends: 273 [2024-11-27 23:30:52,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:30:52,543 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:52,544 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 508 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:30:52,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-27 23:30:52,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 267. [2024-11-27 23:30:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 225 states have (on average 1.1777777777777778) internal successors, (265), 229 states have internal predecessors, (265), 29 states have call successors, (29), 12 states have call predecessors, (29), 12 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-27 23:30:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 323 transitions. [2024-11-27 23:30:52,576 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 323 transitions. Word has length 100 [2024-11-27 23:30:52,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:52,576 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 323 transitions. [2024-11-27 23:30:52,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:30:52,576 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 323 transitions. [2024-11-27 23:30:52,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:30:52,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:52,577 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:52,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:52,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:52,778 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:52,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:52,779 INFO L85 PathProgramCache]: Analyzing trace with hash 125932902, now seen corresponding path program 1 times [2024-11-27 23:30:52,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:52,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1983371093] [2024-11-27 23:30:52,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:52,780 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 [2024-11-27 23:30:52,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:52,782 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:52,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:53,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:30:53,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:54,351 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 18 treesize of output 19 [2024-11-27 23:30:55,086 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:55,086 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 203 treesize of output 133 [2024-11-27 23:30:55,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:55,093 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 288 treesize of output 138 [2024-11-27 23:30:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-27 23:30:55,254 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:55,759 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:55,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1983371093] [2024-11-27 23:30:55,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1983371093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:55,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1335961189] [2024-11-27 23:30:55,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:55,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:30:55,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:30:55,764 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:30:55,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-27 23:30:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:57,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 23:30:57,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:58,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-27 23:30:59,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-27 23:31:00,891 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:31:00,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 121 [2024-11-27 23:31:00,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 274 treesize of output 146 [2024-11-27 23:31:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-27 23:31:00,943 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:01,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1335961189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:01,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:31:01,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 17 [2024-11-27 23:31:01,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761968661] [2024-11-27 23:31:01,211 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:31:01,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 23:31:01,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:01,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 23:31:01,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-11-27 23:31:01,213 INFO L87 Difference]: Start difference. First operand 267 states and 323 transitions. Second operand has 18 states, 18 states have (on average 5.388888888888889) internal successors, (97), 17 states have internal predecessors, (97), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-27 23:31:06,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 23:31:09,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:09,023 INFO L93 Difference]: Finished difference Result 770 states and 921 transitions. [2024-11-27 23:31:09,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:31:09,024 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.388888888888889) internal successors, (97), 17 states have internal predecessors, (97), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 100 [2024-11-27 23:31:09,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:09,028 INFO L225 Difference]: With dead ends: 770 [2024-11-27 23:31:09,028 INFO L226 Difference]: Without dead ends: 768 [2024-11-27 23:31:09,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=167, Invalid=825, Unknown=0, NotChecked=0, Total=992 [2024-11-27 23:31:09,029 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 493 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:09,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 1202 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-11-27 23:31:09,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2024-11-27 23:31:09,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 762. [2024-11-27 23:31:09,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 643 states have (on average 1.1632970451010887) internal successors, (748), 655 states have internal predecessors, (748), 82 states have call successors, (82), 36 states have call predecessors, (82), 36 states have return successors, (82), 70 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-27 23:31:09,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 912 transitions. [2024-11-27 23:31:09,161 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 912 transitions. Word has length 100 [2024-11-27 23:31:09,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:09,161 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 912 transitions. [2024-11-27 23:31:09,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.388888888888889) internal successors, (97), 17 states have internal predecessors, (97), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-27 23:31:09,162 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 912 transitions. [2024-11-27 23:31:09,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 23:31:09,163 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:09,163 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:09,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:31:09,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-27 23:31:09,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-27 23:31:09,564 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:09,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:09,565 INFO L85 PathProgramCache]: Analyzing trace with hash 180706094, now seen corresponding path program 1 times [2024-11-27 23:31:09,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:31:09,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144452500] [2024-11-27 23:31:09,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:09,565 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 [2024-11-27 23:31:09,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:31:09,569 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:31:09,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-27 23:31:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:09,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:31:09,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:10,374 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:31:10,374 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 157 treesize of output 67 [2024-11-27 23:31:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-27 23:31:10,447 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:10,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:31:10,666 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 101 treesize of output 1 [2024-11-27 23:31:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 23:31:10,711 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:31:10,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144452500] [2024-11-27 23:31:10,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1144452500] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:10,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:31:10,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 12 [2024-11-27 23:31:10,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185132686] [2024-11-27 23:31:10,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:10,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:31:10,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:10,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:31:10,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:31:10,712 INFO L87 Difference]: Start difference. First operand 762 states and 912 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 23:31:11,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:11,388 INFO L93 Difference]: Finished difference Result 1563 states and 1863 transitions. [2024-11-27 23:31:11,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:31:11,389 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 102 [2024-11-27 23:31:11,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:11,393 INFO L225 Difference]: With dead ends: 1563 [2024-11-27 23:31:11,394 INFO L226 Difference]: Without dead ends: 798 [2024-11-27 23:31:11,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:31:11,396 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 13 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:11,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 500 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:31:11,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-27 23:31:11,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 760. [2024-11-27 23:31:11,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 641 states have (on average 1.1606864274570983) internal successors, (744), 653 states have internal predecessors, (744), 82 states have call successors, (82), 36 states have call predecessors, (82), 36 states have return successors, (82), 70 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-27 23:31:11,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 908 transitions. [2024-11-27 23:31:11,533 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 908 transitions. Word has length 102 [2024-11-27 23:31:11,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:11,533 INFO L471 AbstractCegarLoop]: Abstraction has 760 states and 908 transitions. [2024-11-27 23:31:11,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 23:31:11,534 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 908 transitions. [2024-11-27 23:31:11,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 23:31:11,535 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:11,535 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:11,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-27 23:31:11,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:11,736 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:11,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:11,736 INFO L85 PathProgramCache]: Analyzing trace with hash -478825428, now seen corresponding path program 1 times [2024-11-27 23:31:11,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:31:11,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116029458] [2024-11-27 23:31:11,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:11,737 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 [2024-11-27 23:31:11,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:31:11,738 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:31:11,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-27 23:31:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:12,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 23:31:12,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:13,400 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 18 treesize of output 19 [2024-11-27 23:31:13,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:31:13,982 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 203 treesize of output 133 [2024-11-27 23:31:13,991 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:31:13,991 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 286 treesize of output 136 [2024-11-27 23:31:14,178 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-27 23:31:14,178 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:14,743 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:31:14,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116029458] [2024-11-27 23:31:14,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116029458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:14,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1010189982] [2024-11-27 23:31:14,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:14,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:31:14,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:31:14,747 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:31:14,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-27 23:31:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:16,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-27 23:31:16,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:17,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-27 23:31:25,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-27 23:31:26,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:31:26,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 121 [2024-11-27 23:31:26,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 264 treesize of output 140 [2024-11-27 23:31:26,819 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-27 23:31:26,819 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:27,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1010189982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:27,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:31:27,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 24 [2024-11-27 23:31:27,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487294345] [2024-11-27 23:31:27,085 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:31:27,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-27 23:31:27,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:27,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-27 23:31:27,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=798, Unknown=1, NotChecked=0, Total=930 [2024-11-27 23:31:27,086 INFO L87 Difference]: Start difference. First operand 760 states and 908 transitions. Second operand has 25 states, 23 states have (on average 4.391304347826087) internal successors, (101), 22 states have internal predecessors, (101), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-27 23:31:33,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:33,054 INFO L93 Difference]: Finished difference Result 1044 states and 1234 transitions. [2024-11-27 23:31:33,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 23:31:33,055 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 4.391304347826087) internal successors, (101), 22 states have internal predecessors, (101), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 102 [2024-11-27 23:31:33,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:33,060 INFO L225 Difference]: With dead ends: 1044 [2024-11-27 23:31:33,060 INFO L226 Difference]: Without dead ends: 1042 [2024-11-27 23:31:33,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 227 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=430, Invalid=1921, Unknown=1, NotChecked=0, Total=2352 [2024-11-27 23:31:33,062 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 519 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 1500 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:33,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 1500 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-27 23:31:33,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2024-11-27 23:31:33,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 651. [2024-11-27 23:31:33,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 562 states have (on average 1.1619217081850535) internal successors, (653), 571 states have internal predecessors, (653), 60 states have call successors, (60), 28 states have call predecessors, (60), 28 states have return successors, (60), 51 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-27 23:31:33,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 773 transitions. [2024-11-27 23:31:33,180 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 773 transitions. Word has length 102 [2024-11-27 23:31:33,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:33,182 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 773 transitions. [2024-11-27 23:31:33,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 4.391304347826087) internal successors, (101), 22 states have internal predecessors, (101), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-27 23:31:33,182 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 773 transitions. [2024-11-27 23:31:33,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:31:33,184 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:33,184 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:33,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-27 23:31:33,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-27 23:31:33,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:33,585 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:33,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:33,585 INFO L85 PathProgramCache]: Analyzing trace with hash 47985734, now seen corresponding path program 1 times [2024-11-27 23:31:33,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:31:33,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819857816] [2024-11-27 23:31:33,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:33,586 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 [2024-11-27 23:31:33,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:31:33,587 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:31:33,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-27 23:31:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:33,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:31:33,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:34,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-27 23:31:34,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-27 23:31:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-27 23:31:34,598 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:34,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2024-11-27 23:31:35,043 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:31:35,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819857816] [2024-11-27 23:31:35,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [819857816] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:35,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2052359617] [2024-11-27 23:31:35,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:35,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:31:35,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:31:35,050 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:31:35,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-27 23:31:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:36,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 23:31:36,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:36,656 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 [2024-11-27 23:31:37,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-27 23:31:37,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-27 23:31:37,919 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-27 23:31:37,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:38,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2024-11-27 23:31:40,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2052359617] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:40,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:31:40,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-27 23:31:40,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772791365] [2024-11-27 23:31:40,590 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:31:40,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 23:31:40,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:40,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 23:31:40,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:31:40,591 INFO L87 Difference]: Start difference. First operand 651 states and 773 transitions. Second operand has 18 states, 16 states have (on average 6.75) internal successors, (108), 16 states have internal predecessors, (108), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-27 23:31:42,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:42,981 INFO L93 Difference]: Finished difference Result 1499 states and 1772 transitions. [2024-11-27 23:31:42,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 23:31:42,982 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.75) internal successors, (108), 16 states have internal predecessors, (108), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 103 [2024-11-27 23:31:42,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:42,993 INFO L225 Difference]: With dead ends: 1499 [2024-11-27 23:31:42,993 INFO L226 Difference]: Without dead ends: 856 [2024-11-27 23:31:42,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 244 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=259, Invalid=1001, Unknown=0, NotChecked=0, Total=1260 [2024-11-27 23:31:42,997 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 392 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:42,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 980 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 23:31:43,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2024-11-27 23:31:43,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 673. [2024-11-27 23:31:43,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 584 states have (on average 1.1455479452054795) internal successors, (669), 593 states have internal predecessors, (669), 60 states have call successors, (60), 28 states have call predecessors, (60), 28 states have return successors, (60), 51 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-27 23:31:43,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 789 transitions. [2024-11-27 23:31:43,121 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 789 transitions. Word has length 103 [2024-11-27 23:31:43,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:43,121 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 789 transitions. [2024-11-27 23:31:43,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.75) internal successors, (108), 16 states have internal predecessors, (108), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-27 23:31:43,122 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 789 transitions. [2024-11-27 23:31:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:31:43,124 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:43,124 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:43,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-27 23:31:43,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-27 23:31:43,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:43,525 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:43,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:43,526 INFO L85 PathProgramCache]: Analyzing trace with hash -358380191, now seen corresponding path program 1 times [2024-11-27 23:31:43,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:31:43,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67903491] [2024-11-27 23:31:43,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:43,526 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 [2024-11-27 23:31:43,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:31:43,528 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:31:43,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-27 23:31:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:43,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:31:43,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:44,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-11-27 23:31:44,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-11-27 23:31:44,744 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-27 23:31:44,744 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:45,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2024-11-27 23:31:45,287 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:31:45,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67903491] [2024-11-27 23:31:45,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67903491] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:45,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [424325958] [2024-11-27 23:31:45,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:45,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:31:45,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:31:45,290 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:31:45,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-27 23:31:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:45,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:31:45,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:46,068 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:31:46,068 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:31:46,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [424325958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:46,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:31:46,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-27 23:31:46,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387460749] [2024-11-27 23:31:46,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:46,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:31:46,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:46,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:31:46,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:31:46,070 INFO L87 Difference]: Start difference. First operand 673 states and 789 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:31:46,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:46,274 INFO L93 Difference]: Finished difference Result 1474 states and 1724 transitions. [2024-11-27 23:31:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:31:46,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-27 23:31:46,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:46,277 INFO L225 Difference]: With dead ends: 1474 [2024-11-27 23:31:46,278 INFO L226 Difference]: Without dead ends: 809 [2024-11-27 23:31:46,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:31:46,280 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 20 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:46,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 387 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:31:46,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2024-11-27 23:31:46,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 755. [2024-11-27 23:31:46,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 666 states have (on average 1.135135135135135) internal successors, (756), 675 states have internal predecessors, (756), 60 states have call successors, (60), 28 states have call predecessors, (60), 28 states have return successors, (60), 51 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-27 23:31:46,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 876 transitions. [2024-11-27 23:31:46,411 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 876 transitions. Word has length 103 [2024-11-27 23:31:46,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:46,411 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 876 transitions. [2024-11-27 23:31:46,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:31:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 876 transitions. [2024-11-27 23:31:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:31:46,413 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:46,413 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:46,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-11-27 23:31:46,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-27 23:31:46,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-27 23:31:46,814 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:46,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:46,814 INFO L85 PathProgramCache]: Analyzing trace with hash 450966435, now seen corresponding path program 1 times [2024-11-27 23:31:46,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:31:46,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831814324] [2024-11-27 23:31:46,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:46,815 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 [2024-11-27 23:31:46,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:31:46,816 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:31:46,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-11-27 23:31:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:47,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:31:47,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:47,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-11-27 23:31:47,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-11-27 23:31:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-27 23:31:48,018 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:48,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2024-11-27 23:31:48,659 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:31:48,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1831814324] [2024-11-27 23:31:48,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1831814324] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:48,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [491772506] [2024-11-27 23:31:48,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:48,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:31:48,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:31:48,662 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:31:48,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-27 23:31:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:49,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-27 23:31:49,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:50,479 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 [2024-11-27 23:31:52,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-11-27 23:31:52,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-11-27 23:31:53,083 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-27 23:31:53,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:53,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2024-11-27 23:31:56,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [491772506] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:56,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:31:56,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 22 [2024-11-27 23:31:56,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773808468] [2024-11-27 23:31:56,567 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:31:56,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-27 23:31:56,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:56,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-27 23:31:56,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2024-11-27 23:31:56,569 INFO L87 Difference]: Start difference. First operand 755 states and 876 transitions. Second operand has 22 states, 20 states have (on average 5.3) internal successors, (106), 20 states have internal predecessors, (106), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-27 23:32:09,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:09,822 INFO L93 Difference]: Finished difference Result 2223 states and 2565 transitions. [2024-11-27 23:32:09,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-27 23:32:09,824 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 5.3) internal successors, (106), 20 states have internal predecessors, (106), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 103 [2024-11-27 23:32:09,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:09,829 INFO L225 Difference]: With dead ends: 2223 [2024-11-27 23:32:09,829 INFO L226 Difference]: Without dead ends: 1476 [2024-11-27 23:32:09,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 239 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1559 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=875, Invalid=4381, Unknown=0, NotChecked=0, Total=5256 [2024-11-27 23:32:09,835 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 743 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:09,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 1111 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-11-27 23:32:09,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2024-11-27 23:32:09,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 717. [2024-11-27 23:32:09,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 621 states have (on average 1.1256038647342994) internal successors, (699), 629 states have internal predecessors, (699), 65 states have call successors, (65), 30 states have call predecessors, (65), 30 states have return successors, (65), 57 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-27 23:32:09,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 829 transitions. [2024-11-27 23:32:09,963 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 829 transitions. Word has length 103 [2024-11-27 23:32:09,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:09,964 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 829 transitions. [2024-11-27 23:32:09,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 5.3) internal successors, (106), 20 states have internal predecessors, (106), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-27 23:32:09,964 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 829 transitions. [2024-11-27 23:32:09,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-27 23:32:09,965 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:09,966 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:09,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-11-27 23:32:10,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-27 23:32:10,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-27 23:32:10,367 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:10,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:10,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1832129463, now seen corresponding path program 1 times [2024-11-27 23:32:10,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:10,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878982058] [2024-11-27 23:32:10,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:10,367 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 [2024-11-27 23:32:10,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:10,369 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:32:10,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-11-27 23:32:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:10,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 23:32:10,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:12,461 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 18 treesize of output 19 [2024-11-27 23:32:13,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:32:13,311 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 203 treesize of output 133 [2024-11-27 23:32:13,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:32:13,319 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 288 treesize of output 138 [2024-11-27 23:32:13,620 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-27 23:32:13,620 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:14,491 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:14,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878982058] [2024-11-27 23:32:14,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [878982058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:14,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1768445768] [2024-11-27 23:32:14,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:14,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:32:14,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:32:14,496 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:32:14,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-27 23:32:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:15,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-27 23:32:15,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:18,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-27 23:32:19,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-27 23:32:21,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:32:21,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 121 [2024-11-27 23:32:21,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 142 [2024-11-27 23:32:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-27 23:32:21,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:21,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1768445768] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:21,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:32:21,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 18 [2024-11-27 23:32:21,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053927557] [2024-11-27 23:32:21,854 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:21,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 23:32:21,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:32:21,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 23:32:21,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:32:21,856 INFO L87 Difference]: Start difference. First operand 717 states and 829 transitions. Second operand has 19 states, 19 states have (on average 5.578947368421052) internal successors, (106), 18 states have internal predecessors, (106), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-27 23:32:27,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:27,568 INFO L93 Difference]: Finished difference Result 1105 states and 1265 transitions. [2024-11-27 23:32:27,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:32:27,569 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.578947368421052) internal successors, (106), 18 states have internal predecessors, (106), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 105 [2024-11-27 23:32:27,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:27,572 INFO L225 Difference]: With dead ends: 1105 [2024-11-27 23:32:27,572 INFO L226 Difference]: Without dead ends: 1103 [2024-11-27 23:32:27,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=186, Invalid=1004, Unknown=0, NotChecked=0, Total=1190 [2024-11-27 23:32:27,574 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 431 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1325 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:27,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1325 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-27 23:32:27,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2024-11-27 23:32:27,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 843. [2024-11-27 23:32:27,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 747 states have (on average 1.1271753681392236) internal successors, (842), 755 states have internal predecessors, (842), 65 states have call successors, (65), 30 states have call predecessors, (65), 30 states have return successors, (65), 57 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-27 23:32:27,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 972 transitions. [2024-11-27 23:32:27,681 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 972 transitions. Word has length 105 [2024-11-27 23:32:27,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:27,682 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 972 transitions. [2024-11-27 23:32:27,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.578947368421052) internal successors, (106), 18 states have internal predecessors, (106), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-27 23:32:27,682 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 972 transitions. [2024-11-27 23:32:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-27 23:32:27,684 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:27,684 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:27,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-27 23:32:27,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:28,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:32:28,085 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:28,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:28,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1904191683, now seen corresponding path program 1 times [2024-11-27 23:32:28,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:28,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4245822] [2024-11-27 23:32:28,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:28,086 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 [2024-11-27 23:32:28,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:28,088 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:32:28,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-27 23:32:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:28,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:32:28,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 5 proven. 135 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-27 23:32:29,448 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:29,761 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:32:29,761 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:29,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4245822] [2024-11-27 23:32:29,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4245822] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:29,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:29,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2024-11-27 23:32:29,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112262857] [2024-11-27 23:32:29,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:29,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:32:29,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:32:29,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:32:29,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:32:29,763 INFO L87 Difference]: Start difference. First operand 843 states and 972 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:32:30,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:30,073 INFO L93 Difference]: Finished difference Result 2041 states and 2347 transitions. [2024-11-27 23:32:30,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:32:30,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-11-27 23:32:30,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:30,077 INFO L225 Difference]: With dead ends: 2041 [2024-11-27 23:32:30,077 INFO L226 Difference]: Without dead ends: 1247 [2024-11-27 23:32:30,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:32:30,078 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 45 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:30,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 482 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:32:30,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2024-11-27 23:32:30,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 903. [2024-11-27 23:32:30,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 819 states have (on average 1.1282051282051282) internal successors, (924), 825 states have internal predecessors, (924), 57 states have call successors, (57), 26 states have call predecessors, (57), 26 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-27 23:32:30,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1038 transitions. [2024-11-27 23:32:30,228 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1038 transitions. Word has length 106 [2024-11-27 23:32:30,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:30,228 INFO L471 AbstractCegarLoop]: Abstraction has 903 states and 1038 transitions. [2024-11-27 23:32:30,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:32:30,229 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1038 transitions. [2024-11-27 23:32:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-27 23:32:30,231 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:30,231 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:30,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-11-27 23:32:30,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:32:30,432 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:30,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:30,432 INFO L85 PathProgramCache]: Analyzing trace with hash -454997756, now seen corresponding path program 1 times [2024-11-27 23:32:30,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:30,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068549304] [2024-11-27 23:32:30,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:30,433 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 [2024-11-27 23:32:30,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:30,434 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:32:30,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-11-27 23:32:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:30,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:32:30,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 5 proven. 135 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-27 23:32:31,677 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:32:31,935 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:31,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068549304] [2024-11-27 23:32:31,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068549304] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:31,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:31,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-27 23:32:31,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394240597] [2024-11-27 23:32:31,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:31,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:32:31,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:32:31,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:32:31,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:32:31,937 INFO L87 Difference]: Start difference. First operand 903 states and 1038 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:32:32,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:32,228 INFO L93 Difference]: Finished difference Result 2145 states and 2461 transitions. [2024-11-27 23:32:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:32:32,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-27 23:32:32,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:32,232 INFO L225 Difference]: With dead ends: 2145 [2024-11-27 23:32:32,232 INFO L226 Difference]: Without dead ends: 1291 [2024-11-27 23:32:32,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:32:32,234 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 41 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:32,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 436 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:32:32,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2024-11-27 23:32:32,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1087. [2024-11-27 23:32:32,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 1003 states have (on average 1.1266201395812563) internal successors, (1130), 1009 states have internal predecessors, (1130), 57 states have call successors, (57), 26 states have call predecessors, (57), 26 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-27 23:32:32,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1244 transitions. [2024-11-27 23:32:32,390 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1244 transitions. Word has length 107 [2024-11-27 23:32:32,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:32,392 INFO L471 AbstractCegarLoop]: Abstraction has 1087 states and 1244 transitions. [2024-11-27 23:32:32,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:32:32,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1244 transitions. [2024-11-27 23:32:32,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-27 23:32:32,395 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:32,395 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:32,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-11-27 23:32:32,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:32:32,596 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:32,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:32,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1468230278, now seen corresponding path program 1 times [2024-11-27 23:32:32,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:32,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613179651] [2024-11-27 23:32:32,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:32,597 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 [2024-11-27 23:32:32,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:32,599 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:32:32,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-11-27 23:32:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:32,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:32:32,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:33,641 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:32:33,641 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:33,834 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:32:33,834 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:33,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613179651] [2024-11-27 23:32:33,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1613179651] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:33,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:33,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-27 23:32:33,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013682475] [2024-11-27 23:32:33,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:33,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:32:33,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:32:33,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:32:33,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:32:33,836 INFO L87 Difference]: Start difference. First operand 1087 states and 1244 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:32:34,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:34,034 INFO L93 Difference]: Finished difference Result 2303 states and 2646 transitions. [2024-11-27 23:32:34,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:32:34,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-27 23:32:34,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:34,038 INFO L225 Difference]: With dead ends: 2303 [2024-11-27 23:32:34,038 INFO L226 Difference]: Without dead ends: 1265 [2024-11-27 23:32:34,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:32:34,039 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 92 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:34,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 370 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:32:34,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2024-11-27 23:32:34,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1039. [2024-11-27 23:32:34,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 955 states have (on average 1.130890052356021) internal successors, (1080), 961 states have internal predecessors, (1080), 57 states have call successors, (57), 26 states have call predecessors, (57), 26 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-27 23:32:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1194 transitions. [2024-11-27 23:32:34,187 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1194 transitions. Word has length 107 [2024-11-27 23:32:34,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:34,187 INFO L471 AbstractCegarLoop]: Abstraction has 1039 states and 1194 transitions. [2024-11-27 23:32:34,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:32:34,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1194 transitions. [2024-11-27 23:32:34,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-27 23:32:34,189 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:34,189 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:34,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:34,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:32:34,390 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:34,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:34,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1835394749, now seen corresponding path program 1 times [2024-11-27 23:32:34,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:34,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [716078281] [2024-11-27 23:32:34,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:34,391 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 [2024-11-27 23:32:34,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:34,392 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:32:34,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-11-27 23:32:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:34,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 23:32:34,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:36,685 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 18 treesize of output 19 [2024-11-27 23:32:37,570 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:32:37,570 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 203 treesize of output 133 [2024-11-27 23:32:37,587 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:32:37,587 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 286 treesize of output 136 [2024-11-27 23:32:37,918 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-27 23:32:37,918 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:38,931 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:38,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [716078281] [2024-11-27 23:32:38,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [716078281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:38,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [854952093] [2024-11-27 23:32:38,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:38,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:32:38,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:32:38,934 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:32:38,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-27 23:32:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:40,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-27 23:32:40,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:42,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-27 23:32:53,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-27 23:32:55,292 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:32:55,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 121 [2024-11-27 23:32:55,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 272 treesize of output 144 [2024-11-27 23:32:55,359 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-27 23:32:55,359 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:55,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [854952093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:55,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:32:55,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 25 [2024-11-27 23:32:55,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820004547] [2024-11-27 23:32:55,786 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:55,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-27 23:32:55,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:32:55,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-27 23:32:55,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=919, Unknown=1, NotChecked=0, Total=1056 [2024-11-27 23:32:55,788 INFO L87 Difference]: Start difference. First operand 1039 states and 1194 transitions. Second operand has 26 states, 24 states have (on average 4.583333333333333) internal successors, (110), 23 states have internal predecessors, (110), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-27 23:33:06,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 23:33:08,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:08,676 INFO L93 Difference]: Finished difference Result 1543 states and 1754 transitions. [2024-11-27 23:33:08,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 23:33:08,677 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 4.583333333333333) internal successors, (110), 23 states have internal predecessors, (110), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 107 [2024-11-27 23:33:08,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:08,681 INFO L225 Difference]: With dead ends: 1543 [2024-11-27 23:33:08,681 INFO L226 Difference]: Without dead ends: 1541 [2024-11-27 23:33:08,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 245 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=454, Invalid=2197, Unknown=1, NotChecked=0, Total=2652 [2024-11-27 23:33:08,682 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 534 mSDsluCounter, 1880 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 2028 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:08,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 2028 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2024-11-27 23:33:08,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2024-11-27 23:33:08,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 981. [2024-11-27 23:33:08,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 871 states have (on average 1.121699196326062) internal successors, (977), 879 states have internal predecessors, (977), 75 states have call successors, (75), 34 states have call predecessors, (75), 34 states have return successors, (75), 67 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:33:08,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1127 transitions. [2024-11-27 23:33:08,840 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1127 transitions. Word has length 107 [2024-11-27 23:33:08,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:08,840 INFO L471 AbstractCegarLoop]: Abstraction has 981 states and 1127 transitions. [2024-11-27 23:33:08,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 4.583333333333333) internal successors, (110), 23 states have internal predecessors, (110), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-27 23:33:08,840 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1127 transitions. [2024-11-27 23:33:08,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 23:33:08,843 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:08,843 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:08,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-27 23:33:09,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2024-11-27 23:33:09,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:09,244 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:09,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:09,244 INFO L85 PathProgramCache]: Analyzing trace with hash -443035906, now seen corresponding path program 1 times [2024-11-27 23:33:09,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:09,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384474333] [2024-11-27 23:33:09,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:09,245 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 [2024-11-27 23:33:09,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:09,247 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:33:09,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2024-11-27 23:33:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:09,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:33:09,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:10,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 23:33:10,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-27 23:33:10,608 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:10,609 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 123 treesize of output 53 [2024-11-27 23:33:10,788 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:33:10,788 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:33:10,789 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:33:10,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384474333] [2024-11-27 23:33:10,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384474333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:10,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:10,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 23:33:10,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051992970] [2024-11-27 23:33:10,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:10,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:33:10,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:33:10,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:33:10,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:33:10,790 INFO L87 Difference]: Start difference. First operand 981 states and 1127 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:33:12,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:12,231 INFO L93 Difference]: Finished difference Result 1069 states and 1244 transitions. [2024-11-27 23:33:12,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:33:12,231 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-27 23:33:12,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:12,234 INFO L225 Difference]: With dead ends: 1069 [2024-11-27 23:33:12,234 INFO L226 Difference]: Without dead ends: 1067 [2024-11-27 23:33:12,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:33:12,235 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 138 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:12,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1243 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:33:12,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-11-27 23:33:12,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1005. [2024-11-27 23:33:12,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 895 states have (on average 1.1184357541899441) internal successors, (1001), 903 states have internal predecessors, (1001), 75 states have call successors, (75), 34 states have call predecessors, (75), 34 states have return successors, (75), 67 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:33:12,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1151 transitions. [2024-11-27 23:33:12,458 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1151 transitions. Word has length 108 [2024-11-27 23:33:12,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:12,459 INFO L471 AbstractCegarLoop]: Abstraction has 1005 states and 1151 transitions. [2024-11-27 23:33:12,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:33:12,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1151 transitions. [2024-11-27 23:33:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 23:33:12,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:12,461 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:12,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Ended with exit code 0 [2024-11-27 23:33:12,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:12,661 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:12,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:12,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1252382532, now seen corresponding path program 1 times [2024-11-27 23:33:12,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:12,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337503277] [2024-11-27 23:33:12,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:12,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:12,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:12,664 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:33:12,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2024-11-27 23:33:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:13,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:33:13,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:14,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-27 23:33:14,135 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 5 proven. 135 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-27 23:33:14,135 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:33:14,491 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:33:14,491 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:33:14,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1337503277] [2024-11-27 23:33:14,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1337503277] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:33:14,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:33:14,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-27 23:33:14,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908690958] [2024-11-27 23:33:14,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:14,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:33:14,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:33:14,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:33:14,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:33:14,493 INFO L87 Difference]: Start difference. First operand 1005 states and 1151 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:33:14,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:14,814 INFO L93 Difference]: Finished difference Result 2040 states and 2331 transitions. [2024-11-27 23:33:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:33:14,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-27 23:33:14,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:14,818 INFO L225 Difference]: With dead ends: 2040 [2024-11-27 23:33:14,818 INFO L226 Difference]: Without dead ends: 1075 [2024-11-27 23:33:14,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:33:14,820 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 42 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:14,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 475 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:33:14,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2024-11-27 23:33:15,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1003. [2024-11-27 23:33:15,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 893 states have (on average 1.1142217245240762) internal successors, (995), 901 states have internal predecessors, (995), 75 states have call successors, (75), 34 states have call predecessors, (75), 34 states have return successors, (75), 67 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:33:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1145 transitions. [2024-11-27 23:33:15,042 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1145 transitions. Word has length 108 [2024-11-27 23:33:15,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:15,043 INFO L471 AbstractCegarLoop]: Abstraction has 1003 states and 1145 transitions. [2024-11-27 23:33:15,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:33:15,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1145 transitions. [2024-11-27 23:33:15,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 23:33:15,044 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:15,044 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:15,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2024-11-27 23:33:15,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:15,245 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:15,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:15,245 INFO L85 PathProgramCache]: Analyzing trace with hash -380996292, now seen corresponding path program 1 times [2024-11-27 23:33:15,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:15,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901493408] [2024-11-27 23:33:15,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:15,246 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 [2024-11-27 23:33:15,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:15,247 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:33:15,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2024-11-27 23:33:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:15,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:33:15,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:16,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-27 23:33:16,394 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 5 proven. 135 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-27 23:33:16,394 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:33:16,593 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:33:16,593 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:33:16,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [901493408] [2024-11-27 23:33:16,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [901493408] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:33:16,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:33:16,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-11-27 23:33:16,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324009283] [2024-11-27 23:33:16,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:16,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:33:16,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:33:16,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:33:16,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:33:16,595 INFO L87 Difference]: Start difference. First operand 1003 states and 1145 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:33:16,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:16,838 INFO L93 Difference]: Finished difference Result 1872 states and 2140 transitions. [2024-11-27 23:33:16,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:33:16,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-27 23:33:16,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:16,842 INFO L225 Difference]: With dead ends: 1872 [2024-11-27 23:33:16,842 INFO L226 Difference]: Without dead ends: 909 [2024-11-27 23:33:16,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:33:16,844 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 7 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:16,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 300 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:33:16,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-11-27 23:33:16,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 909. [2024-11-27 23:33:16,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 799 states have (on average 1.1051314142678348) internal successors, (883), 807 states have internal predecessors, (883), 75 states have call successors, (75), 34 states have call predecessors, (75), 34 states have return successors, (75), 67 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:33:16,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1033 transitions. [2024-11-27 23:33:16,980 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1033 transitions. Word has length 108 [2024-11-27 23:33:16,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:16,980 INFO L471 AbstractCegarLoop]: Abstraction has 909 states and 1033 transitions. [2024-11-27 23:33:16,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:33:16,980 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1033 transitions. [2024-11-27 23:33:16,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-27 23:33:16,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:16,982 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:16,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Ended with exit code 0 [2024-11-27 23:33:17,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:17,183 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:17,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:17,184 INFO L85 PathProgramCache]: Analyzing trace with hash -791116355, now seen corresponding path program 1 times [2024-11-27 23:33:17,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:17,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319418101] [2024-11-27 23:33:17,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:17,184 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 [2024-11-27 23:33:17,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:17,186 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:33:17,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2024-11-27 23:33:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:17,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:33:17,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:18,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-27 23:33:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:33:18,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:33:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:33:18,609 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:33:18,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319418101] [2024-11-27 23:33:18,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319418101] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:33:18,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:33:18,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-27 23:33:18,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780849190] [2024-11-27 23:33:18,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:18,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:33:18,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:33:18,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:33:18,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:33:18,611 INFO L87 Difference]: Start difference. First operand 909 states and 1033 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:33:18,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:18,920 INFO L93 Difference]: Finished difference Result 1622 states and 1839 transitions. [2024-11-27 23:33:18,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:33:18,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 111 [2024-11-27 23:33:18,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:18,924 INFO L225 Difference]: With dead ends: 1622 [2024-11-27 23:33:18,924 INFO L226 Difference]: Without dead ends: 741 [2024-11-27 23:33:18,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:33:18,925 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 63 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:18,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 328 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:33:18,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-27 23:33:19,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 721. [2024-11-27 23:33:19,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 611 states have (on average 1.0801963993453356) internal successors, (660), 619 states have internal predecessors, (660), 75 states have call successors, (75), 34 states have call predecessors, (75), 34 states have return successors, (75), 67 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:33:19,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 810 transitions. [2024-11-27 23:33:19,060 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 810 transitions. Word has length 111 [2024-11-27 23:33:19,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:19,060 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 810 transitions. [2024-11-27 23:33:19,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:33:19,060 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 810 transitions. [2024-11-27 23:33:19,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-27 23:33:19,062 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:19,062 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:19,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Ended with exit code 0 [2024-11-27 23:33:19,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:19,262 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:19,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:19,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1506462898, now seen corresponding path program 1 times [2024-11-27 23:33:19,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:19,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022177481] [2024-11-27 23:33:19,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:19,263 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:19,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:19,265 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:33:19,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2024-11-27 23:33:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:19,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:33:19,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:33:20,508 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:33:20,787 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:33:20,787 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:33:20,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022177481] [2024-11-27 23:33:20,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022177481] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:33:20,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:33:20,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-27 23:33:20,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009938141] [2024-11-27 23:33:20,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:20,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:33:20,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:33:20,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:33:20,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:33:20,789 INFO L87 Difference]: Start difference. First operand 721 states and 810 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:33:21,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:21,095 INFO L93 Difference]: Finished difference Result 1400 states and 1561 transitions. [2024-11-27 23:33:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:33:21,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-11-27 23:33:21,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:21,098 INFO L225 Difference]: With dead ends: 1400 [2024-11-27 23:33:21,098 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 23:33:21,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:33:21,099 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 18 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:21,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 418 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:33:21,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 23:33:21,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 23:33:21,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:33:21,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 23:33:21,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2024-11-27 23:33:21,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:21,103 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:33:21,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 23:33:21,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 23:33:21,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 23:33:21,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:33:21,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Ended with exit code 0 [2024-11-27 23:33:21,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671e8e7-11c6-41e5-974d-96adac25ff2e/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:21,309 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:21,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 23:33:46,650 WARN L286 SmtUtils]: Spent 24.24s on a formula simplification. DAG size of input: 261 DAG size of output: 461 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-27 23:34:02,885 WARN L286 SmtUtils]: Spent 16.23s on a formula simplification. DAG size of input: 232 DAG size of output: 330 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-27 23:35:18,265 WARN L286 SmtUtils]: Spent 1.26m on a formula simplification. DAG size of input: 281 DAG size of output: 629 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-27 23:35:41,327 WARN L286 SmtUtils]: Spent 23.03s on a formula simplification. DAG size of input: 261 DAG size of output: 461 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-27 23:36:55,822 WARN L286 SmtUtils]: Spent 1.22m on a formula simplification. DAG size of input: 281 DAG size of output: 629 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-27 23:37:14,191 WARN L286 SmtUtils]: Spent 12.32s on a formula simplification. DAG size of input: 283 DAG size of output: 286 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-27 23:37:42,885 WARN L286 SmtUtils]: Spent 12.38s on a formula simplification. DAG size of input: 283 DAG size of output: 286 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-27 23:37:57,986 WARN L286 SmtUtils]: Spent 14.84s on a formula simplification. DAG size of input: 232 DAG size of output: 330 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-27 23:38:09,960 WARN L286 SmtUtils]: Spent 6.71s on a formula simplification. DAG size of input: 328 DAG size of output: 514 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-27 23:39:19,772 WARN L286 SmtUtils]: Spent 1.16m on a formula simplification. DAG size of input: 397 DAG size of output: 737 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-27 23:39:26,754 WARN L286 SmtUtils]: Spent 6.98s on a formula simplification. DAG size of input: 328 DAG size of output: 514 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-27 23:40:28,619 WARN L286 SmtUtils]: Spent 46.17s on a formula simplification. DAG size of input: 210 DAG size of output: 97 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)