./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC --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 06cf0f0e06098dbd1136039511f326932a550d3a95d6c25d31884324ad030bdc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:36:45,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:36:45,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 22:36:45,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:36:45,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:36:45,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:36:45,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:36:45,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:36:45,515 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:36:45,515 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:36:45,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:36:45,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:36:45,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:36:45,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:36:45,518 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:36:45,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:36:45,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:36:45,519 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:36:45,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:36:45,520 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:36:45,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:36:45,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:36:45,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:36:45,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:36:45,521 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:36:45,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:36:45,521 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:36:45,521 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:36:45,521 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:36:45,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:36:45,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:36:45,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:36:45,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:36:45,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:36:45,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:36:45,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:36:45,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:36:45,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:36:45,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:36:45,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:36:45,523 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:36:45,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:36:45,524 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:36:45,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:36:45,524 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:36:45,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:36:45,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:36:45,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:36:45,524 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_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC 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 -> 06cf0f0e06098dbd1136039511f326932a550d3a95d6c25d31884324ad030bdc [2024-11-23 22:36:45,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:36:45,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:36:45,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:36:45,857 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:36:45,857 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:36:45,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-62.i [2024-11-23 22:36:48,753 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/data/944811a29/9a8fef6b023f40a79fd15fb0dfbbe543/FLAG225800e2f [2024-11-23 22:36:49,028 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:36:49,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-62.i [2024-11-23 22:36:49,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/data/944811a29/9a8fef6b023f40a79fd15fb0dfbbe543/FLAG225800e2f [2024-11-23 22:36:49,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/data/944811a29/9a8fef6b023f40a79fd15fb0dfbbe543 [2024-11-23 22:36:49,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:36:49,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:36:49,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:36:49,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:36:49,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:36:49,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f68f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49, skipping insertion in model container [2024-11-23 22:36:49,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:36:49,485 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_8a165998-6bce-44d8-8d98-7d3f23cc0c22/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-62.i[916,929] [2024-11-23 22:36:49,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:36:49,542 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:36:49,551 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_8a165998-6bce-44d8-8d98-7d3f23cc0c22/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-62.i[916,929] [2024-11-23 22:36:49,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:36:49,592 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:36:49,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49 WrapperNode [2024-11-23 22:36:49,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:36:49,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:36:49,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:36:49,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:36:49,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,671 INFO L138 Inliner]: procedures = 26, calls = 116, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 349 [2024-11-23 22:36:49,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:36:49,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:36:49,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:36:49,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:36:49,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,692 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,728 INFO L175 MemorySlicer]: Split 87 memory accesses to 11 slices as follows [2, 6, 5, 10, 18, 4, 12, 11, 10, 5, 4]. 21 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 14 writes are split as follows [0, 1, 2, 1, 1, 1, 1, 4, 1, 1, 1]. [2024-11-23 22:36:49,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,747 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:36:49,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:36:49,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:36:49,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:36:49,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49" (1/1) ... [2024-11-23 22:36:49,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:36:49,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:36:49,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:36:49,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:36:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:36:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 22:36:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 22:36:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 22:36:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 22:36:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 22:36:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 22:36:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 22:36:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 22:36:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 22:36:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 22:36:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 22:36:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 22:36:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 22:36:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 22:36:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 22:36:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 22:36:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 22:36:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 22:36:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 22:36:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 22:36:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 22:36:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 22:36:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:36:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:36:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:36:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 22:36:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 22:36:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 22:36:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 22:36:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 22:36:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 22:36:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 22:36:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 22:36:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 22:36:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 22:36:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:36:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:36:50,013 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:36:50,015 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:36:50,458 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2024-11-23 22:36:50,458 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:36:50,473 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:36:50,475 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:36:50,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:36:50 BoogieIcfgContainer [2024-11-23 22:36:50,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:36:50,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:36:50,478 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:36:50,485 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:36:50,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:36:49" (1/3) ... [2024-11-23 22:36:50,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fbbc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:36:50, skipping insertion in model container [2024-11-23 22:36:50,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:49" (2/3) ... [2024-11-23 22:36:50,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fbbc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:36:50, skipping insertion in model container [2024-11-23 22:36:50,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:36:50" (3/3) ... [2024-11-23 22:36:50,487 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-62.i [2024-11-23 22:36:50,503 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:36:50,504 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-62.i that has 2 procedures, 73 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 22:36:50,558 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:36:50,570 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;@115133a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:36:50,571 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:36:50,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 63 states have internal predecessors, (88), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 22:36:50,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-23 22:36:50,584 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:50,584 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:50,585 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:50,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:50,590 INFO L85 PathProgramCache]: Analyzing trace with hash 40765512, now seen corresponding path program 1 times [2024-11-23 22:36:50,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:50,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704299865] [2024-11-23 22:36:50,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:50,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:50,846 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-23 22:36:50,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:50,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704299865] [2024-11-23 22:36:50,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704299865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:36:50,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688305812] [2024-11-23 22:36:50,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:50,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:36:50,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:36:50,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:36:50,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:36:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:51,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 22:36:51,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:36:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-23 22:36:51,150 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:36:51,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688305812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:51,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:36:51,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 22:36:51,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942809141] [2024-11-23 22:36:51,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:51,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 22:36:51,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:51,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 22:36:51,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:36:51,185 INFO L87 Difference]: Start difference. First operand has 73 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 63 states have internal predecessors, (88), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 22:36:51,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:51,212 INFO L93 Difference]: Finished difference Result 139 states and 210 transitions. [2024-11-23 22:36:51,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:36:51,215 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2024-11-23 22:36:51,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:51,220 INFO L225 Difference]: With dead ends: 139 [2024-11-23 22:36:51,220 INFO L226 Difference]: Without dead ends: 69 [2024-11-23 22:36:51,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:36:51,227 INFO L435 NwaCegarLoop]: 97 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, 97 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 [2024-11-23 22:36:51,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:36:51,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-23 22:36:51,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-23 22:36:51,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 59 states have internal predecessors, (81), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 22:36:51,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2024-11-23 22:36:51,278 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 73 [2024-11-23 22:36:51,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:51,279 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2024-11-23 22:36:51,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 22:36:51,279 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2024-11-23 22:36:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-23 22:36:51,284 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:51,284 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:51,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 22:36:51,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 22:36:51,485 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:51,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:51,486 INFO L85 PathProgramCache]: Analyzing trace with hash 2068201528, now seen corresponding path program 1 times [2024-11-23 22:36:51,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:51,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148307604] [2024-11-23 22:36:51,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:51,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:51,818 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:36:51,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:51,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148307604] [2024-11-23 22:36:51,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148307604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:51,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:51,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:36:51,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980815802] [2024-11-23 22:36:51,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:51,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:36:51,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:51,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:36:51,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:36:51,820 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:36:51,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:51,878 INFO L93 Difference]: Finished difference Result 138 states and 195 transitions. [2024-11-23 22:36:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:36:51,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 73 [2024-11-23 22:36:51,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:51,880 INFO L225 Difference]: With dead ends: 138 [2024-11-23 22:36:51,880 INFO L226 Difference]: Without dead ends: 72 [2024-11-23 22:36:51,881 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 [2024-11-23 22:36:51,881 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 1 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:51,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 271 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:36:51,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-23 22:36:51,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2024-11-23 22:36:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 61 states have (on average 1.360655737704918) internal successors, (83), 61 states have internal predecessors, (83), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 22:36:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2024-11-23 22:36:51,890 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 73 [2024-11-23 22:36:51,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:51,892 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2024-11-23 22:36:51,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:36:51,892 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2024-11-23 22:36:51,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-23 22:36:51,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:51,894 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:51,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:36:51,894 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:51,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:51,895 INFO L85 PathProgramCache]: Analyzing trace with hash -451758406, now seen corresponding path program 1 times [2024-11-23 22:36:51,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:51,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121591161] [2024-11-23 22:36:51,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:51,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:52,159 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:36:52,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:52,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121591161] [2024-11-23 22:36:52,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121591161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:52,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:52,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:36:52,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759253972] [2024-11-23 22:36:52,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:52,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:36:52,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:52,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:36:52,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:36:52,163 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:36:52,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:52,213 INFO L93 Difference]: Finished difference Result 142 states and 199 transitions. [2024-11-23 22:36:52,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:36:52,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 73 [2024-11-23 22:36:52,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:52,217 INFO L225 Difference]: With dead ends: 142 [2024-11-23 22:36:52,217 INFO L226 Difference]: Without dead ends: 74 [2024-11-23 22:36:52,218 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 [2024-11-23 22:36:52,218 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 1 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:52,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 274 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:36:52,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-23 22:36:52,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2024-11-23 22:36:52,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 63 states have internal predecessors, (85), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 22:36:52,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2024-11-23 22:36:52,226 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 73 [2024-11-23 22:36:52,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:52,227 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2024-11-23 22:36:52,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:36:52,227 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2024-11-23 22:36:52,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-23 22:36:52,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:52,229 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:52,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:36:52,229 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:52,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:52,230 INFO L85 PathProgramCache]: Analyzing trace with hash -449911364, now seen corresponding path program 1 times [2024-11-23 22:36:52,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:52,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095436286] [2024-11-23 22:36:52,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:52,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:52,575 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:36:52,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:52,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095436286] [2024-11-23 22:36:52,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095436286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:52,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:52,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:36:52,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603157290] [2024-11-23 22:36:52,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:52,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:36:52,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:52,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:36:52,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:36:52,576 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:36:52,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:52,660 INFO L93 Difference]: Finished difference Result 170 states and 236 transitions. [2024-11-23 22:36:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:36:52,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 73 [2024-11-23 22:36:52,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:52,661 INFO L225 Difference]: With dead ends: 170 [2024-11-23 22:36:52,661 INFO L226 Difference]: Without dead ends: 100 [2024-11-23 22:36:52,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:36:52,663 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 89 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:52,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 287 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:36:52,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-23 22:36:52,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 73. [2024-11-23 22:36:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 63 states have internal predecessors, (84), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 22:36:52,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 100 transitions. [2024-11-23 22:36:52,679 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 100 transitions. Word has length 73 [2024-11-23 22:36:52,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:52,679 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 100 transitions. [2024-11-23 22:36:52,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:36:52,680 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2024-11-23 22:36:52,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-23 22:36:52,683 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:52,684 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:52,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:36:52,684 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:52,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:52,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1275248375, now seen corresponding path program 1 times [2024-11-23 22:36:52,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:52,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046420570] [2024-11-23 22:36:52,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:52,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:53,125 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:36:53,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:53,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046420570] [2024-11-23 22:36:53,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046420570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:53,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:53,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:36:53,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128158360] [2024-11-23 22:36:53,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:53,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:36:53,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:53,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:36:53,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:36:53,128 INFO L87 Difference]: Start difference. First operand 73 states and 100 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:36:53,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:53,254 INFO L93 Difference]: Finished difference Result 216 states and 298 transitions. [2024-11-23 22:36:53,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:36:53,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 75 [2024-11-23 22:36:53,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:53,256 INFO L225 Difference]: With dead ends: 216 [2024-11-23 22:36:53,256 INFO L226 Difference]: Without dead ends: 146 [2024-11-23 22:36:53,257 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 [2024-11-23 22:36:53,258 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 90 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:53,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 693 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:36:53,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-23 22:36:53,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 83. [2024-11-23 22:36:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 73 states have (on average 1.3424657534246576) internal successors, (98), 73 states have internal predecessors, (98), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 22:36:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 114 transitions. [2024-11-23 22:36:53,277 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 114 transitions. Word has length 75 [2024-11-23 22:36:53,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:53,278 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 114 transitions. [2024-11-23 22:36:53,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:36:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 114 transitions. [2024-11-23 22:36:53,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-23 22:36:53,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:53,279 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:53,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:36:53,279 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:53,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:53,280 INFO L85 PathProgramCache]: Analyzing trace with hash -181576739, now seen corresponding path program 1 times [2024-11-23 22:36:53,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:53,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520236570] [2024-11-23 22:36:53,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:53,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:36:53,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:53,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520236570] [2024-11-23 22:36:53,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520236570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:53,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:53,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:36:53,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872323360] [2024-11-23 22:36:53,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:53,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:36:53,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:53,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:36:53,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:36:53,641 INFO L87 Difference]: Start difference. First operand 83 states and 114 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:36:53,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:53,742 INFO L93 Difference]: Finished difference Result 198 states and 271 transitions. [2024-11-23 22:36:53,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:36:53,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 77 [2024-11-23 22:36:53,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:53,744 INFO L225 Difference]: With dead ends: 198 [2024-11-23 22:36:53,746 INFO L226 Difference]: Without dead ends: 118 [2024-11-23 22:36:53,747 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 [2024-11-23 22:36:53,748 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 49 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:53,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 481 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:36:53,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-23 22:36:53,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 83. [2024-11-23 22:36:53,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 73 states have (on average 1.3287671232876712) internal successors, (97), 73 states have internal predecessors, (97), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 22:36:53,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 113 transitions. [2024-11-23 22:36:53,762 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 113 transitions. Word has length 77 [2024-11-23 22:36:53,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:53,762 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 113 transitions. [2024-11-23 22:36:53,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:36:53,763 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2024-11-23 22:36:53,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-23 22:36:53,764 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:53,764 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:53,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:36:53,767 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:53,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:53,767 INFO L85 PathProgramCache]: Analyzing trace with hash 738895874, now seen corresponding path program 1 times [2024-11-23 22:36:53,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:53,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684807275] [2024-11-23 22:36:53,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:53,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:54,020 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-23 22:36:54,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:54,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684807275] [2024-11-23 22:36:54,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684807275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:36:54,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558137954] [2024-11-23 22:36:54,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:54,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:36:54,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:36:54,024 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:36:54,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 22:36:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:54,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:36:54,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:36:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:36:54,323 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:36:54,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558137954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:54,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:36:54,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-23 22:36:54,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350686148] [2024-11-23 22:36:54,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:54,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:36:54,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:54,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:36:54,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:36:54,326 INFO L87 Difference]: Start difference. First operand 83 states and 113 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:36:54,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:54,369 INFO L93 Difference]: Finished difference Result 166 states and 227 transitions. [2024-11-23 22:36:54,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:36:54,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 77 [2024-11-23 22:36:54,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:54,372 INFO L225 Difference]: With dead ends: 166 [2024-11-23 22:36:54,372 INFO L226 Difference]: Without dead ends: 86 [2024-11-23 22:36:54,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:36:54,373 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 355 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 [2024-11-23 22:36:54,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:36:54,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-23 22:36:54,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-23 22:36:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 76 states have (on average 1.3157894736842106) internal successors, (100), 76 states have internal predecessors, (100), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 22:36:54,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 116 transitions. [2024-11-23 22:36:54,388 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 116 transitions. Word has length 77 [2024-11-23 22:36:54,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:54,392 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 116 transitions. [2024-11-23 22:36:54,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:36:54,393 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 116 transitions. [2024-11-23 22:36:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-23 22:36:54,394 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:54,394 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:54,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 22:36:54,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-23 22:36:54,595 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:54,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:54,596 INFO L85 PathProgramCache]: Analyzing trace with hash -2084098479, now seen corresponding path program 1 times [2024-11-23 22:36:54,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:54,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515459031] [2024-11-23 22:36:54,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:54,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:36:54,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:54,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515459031] [2024-11-23 22:36:54,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515459031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:54,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:54,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:36:54,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79278488] [2024-11-23 22:36:54,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:54,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:36:54,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:54,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:36:54,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:36:54,963 INFO L87 Difference]: Start difference. First operand 86 states and 116 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:36:55,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:55,058 INFO L93 Difference]: Finished difference Result 202 states and 271 transitions. [2024-11-23 22:36:55,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:36:55,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 77 [2024-11-23 22:36:55,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:55,060 INFO L225 Difference]: With dead ends: 202 [2024-11-23 22:36:55,061 INFO L226 Difference]: Without dead ends: 119 [2024-11-23 22:36:55,061 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 [2024-11-23 22:36:55,062 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 46 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:55,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 367 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:36:55,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-23 22:36:55,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 86. [2024-11-23 22:36:55,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 76 states have (on average 1.3026315789473684) internal successors, (99), 76 states have internal predecessors, (99), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 22:36:55,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 115 transitions. [2024-11-23 22:36:55,073 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 115 transitions. Word has length 77 [2024-11-23 22:36:55,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:55,074 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 115 transitions. [2024-11-23 22:36:55,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:36:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 115 transitions. [2024-11-23 22:36:55,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-23 22:36:55,076 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:55,077 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:55,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 22:36:55,077 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:55,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:55,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1933694537, now seen corresponding path program 1 times [2024-11-23 22:36:55,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:55,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103121807] [2024-11-23 22:36:55,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:55,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-23 22:36:55,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:55,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103121807] [2024-11-23 22:36:55,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103121807] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:36:55,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294232265] [2024-11-23 22:36:55,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:55,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:36:55,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:36:55,870 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:36:55,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 22:36:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:56,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 22:36:56,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:36:56,361 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 [2024-11-23 22:36:56,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-23 22:36:56,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-23 22:36:56,536 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 22:36:56,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:36:56,631 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 [2024-11-23 22:36:56,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-23 22:36:56,962 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-23 22:36:56,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294232265] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:36:56,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:36:56,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 22 [2024-11-23 22:36:56,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329254991] [2024-11-23 22:36:56,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:36:56,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-23 22:36:56,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:56,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-23 22:36:56,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2024-11-23 22:36:56,965 INFO L87 Difference]: Start difference. First operand 86 states and 115 transitions. Second operand has 22 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 22 states have internal predecessors, (73), 6 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (18), 3 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-23 22:36:58,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:58,092 INFO L93 Difference]: Finished difference Result 308 states and 404 transitions. [2024-11-23 22:36:58,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-23 22:36:58,093 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 22 states have internal predecessors, (73), 6 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (18), 3 states have call predecessors, (18), 6 states have call successors, (18) Word has length 79 [2024-11-23 22:36:58,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:58,095 INFO L225 Difference]: With dead ends: 308 [2024-11-23 22:36:58,095 INFO L226 Difference]: Without dead ends: 225 [2024-11-23 22:36:58,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=366, Invalid=1440, Unknown=0, NotChecked=0, Total=1806 [2024-11-23 22:36:58,099 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 412 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:58,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 847 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 22:36:58,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-23 22:36:58,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 213. [2024-11-23 22:36:58,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 192 states have (on average 1.2864583333333333) internal successors, (247), 194 states have internal predecessors, (247), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 22:36:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 279 transitions. [2024-11-23 22:36:58,136 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 279 transitions. Word has length 79 [2024-11-23 22:36:58,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:58,137 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 279 transitions. [2024-11-23 22:36:58,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 22 states have internal predecessors, (73), 6 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (18), 3 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-23 22:36:58,137 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 279 transitions. [2024-11-23 22:36:58,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-23 22:36:58,138 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:58,139 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:58,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 22:36:58,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-23 22:36:58,344 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:58,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:58,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1925366238, now seen corresponding path program 1 times [2024-11-23 22:36:58,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:58,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057508479] [2024-11-23 22:36:58,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:58,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:59,743 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:36:59,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:59,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057508479] [2024-11-23 22:36:59,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057508479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:59,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:59,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-23 22:36:59,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370412252] [2024-11-23 22:36:59,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:59,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 22:36:59,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:59,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 22:36:59,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-23 22:36:59,746 INFO L87 Difference]: Start difference. First operand 213 states and 279 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 22:37:00,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:00,670 INFO L93 Difference]: Finished difference Result 439 states and 572 transitions. [2024-11-23 22:37:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 22:37:00,671 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 80 [2024-11-23 22:37:00,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:00,673 INFO L225 Difference]: With dead ends: 439 [2024-11-23 22:37:00,673 INFO L226 Difference]: Without dead ends: 229 [2024-11-23 22:37:00,674 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2024-11-23 22:37:00,675 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 215 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:00,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 945 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 22:37:00,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-23 22:37:00,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 217. [2024-11-23 22:37:00,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 196 states have (on average 1.280612244897959) internal successors, (251), 198 states have internal predecessors, (251), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 22:37:00,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 283 transitions. [2024-11-23 22:37:00,693 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 283 transitions. Word has length 80 [2024-11-23 22:37:00,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:00,694 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 283 transitions. [2024-11-23 22:37:00,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 22:37:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 283 transitions. [2024-11-23 22:37:00,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-23 22:37:00,695 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:00,695 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:00,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 22:37:00,695 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:00,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:00,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1089737380, now seen corresponding path program 1 times [2024-11-23 22:37:00,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:00,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185308802] [2024-11-23 22:37:00,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:00,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:00,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:00,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185308802] [2024-11-23 22:37:00,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185308802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:00,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:00,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:37:00,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504044689] [2024-11-23 22:37:00,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:00,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:37:00,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:00,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:37:00,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:37:00,863 INFO L87 Difference]: Start difference. First operand 217 states and 283 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:00,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:00,985 INFO L93 Difference]: Finished difference Result 430 states and 560 transitions. [2024-11-23 22:37:00,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:37:00,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 80 [2024-11-23 22:37:00,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:00,987 INFO L225 Difference]: With dead ends: 430 [2024-11-23 22:37:00,987 INFO L226 Difference]: Without dead ends: 216 [2024-11-23 22:37:00,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:37:00,988 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 54 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:00,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 542 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:37:00,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-23 22:37:01,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 213. [2024-11-23 22:37:01,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 192 states have (on average 1.2760416666666667) internal successors, (245), 194 states have internal predecessors, (245), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 22:37:01,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 277 transitions. [2024-11-23 22:37:01,010 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 277 transitions. Word has length 80 [2024-11-23 22:37:01,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:01,011 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 277 transitions. [2024-11-23 22:37:01,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:01,011 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 277 transitions. [2024-11-23 22:37:01,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-23 22:37:01,012 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:01,012 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:01,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 22:37:01,012 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:01,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:01,013 INFO L85 PathProgramCache]: Analyzing trace with hash 564162724, now seen corresponding path program 1 times [2024-11-23 22:37:01,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:01,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318121339] [2024-11-23 22:37:01,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:01,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:01,214 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:01,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:01,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318121339] [2024-11-23 22:37:01,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318121339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:01,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:01,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:37:01,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769014446] [2024-11-23 22:37:01,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:01,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:37:01,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:01,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:37:01,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:37:01,216 INFO L87 Difference]: Start difference. First operand 213 states and 277 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:01,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:01,367 INFO L93 Difference]: Finished difference Result 477 states and 616 transitions. [2024-11-23 22:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:37:01,368 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 80 [2024-11-23 22:37:01,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:01,370 INFO L225 Difference]: With dead ends: 477 [2024-11-23 22:37:01,370 INFO L226 Difference]: Without dead ends: 258 [2024-11-23 22:37:01,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:37:01,371 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 63 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:01,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 558 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:37:01,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-23 22:37:01,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 217. [2024-11-23 22:37:01,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 195 states have (on average 1.2564102564102564) internal successors, (245), 197 states have internal predecessors, (245), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 22:37:01,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 277 transitions. [2024-11-23 22:37:01,398 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 277 transitions. Word has length 80 [2024-11-23 22:37:01,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:01,398 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 277 transitions. [2024-11-23 22:37:01,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:01,399 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 277 transitions. [2024-11-23 22:37:01,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-23 22:37:01,400 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:01,400 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:01,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 22:37:01,400 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:01,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:01,401 INFO L85 PathProgramCache]: Analyzing trace with hash -715700954, now seen corresponding path program 1 times [2024-11-23 22:37:01,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:01,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803000] [2024-11-23 22:37:01,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:01,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:02,607 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:02,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:02,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803000] [2024-11-23 22:37:02,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:02,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:02,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-23 22:37:02,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603076934] [2024-11-23 22:37:02,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:02,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 22:37:02,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:02,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 22:37:02,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-23 22:37:02,612 INFO L87 Difference]: Start difference. First operand 217 states and 277 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 22:37:03,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:03,278 INFO L93 Difference]: Finished difference Result 511 states and 652 transitions. [2024-11-23 22:37:03,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 22:37:03,279 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 80 [2024-11-23 22:37:03,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:03,281 INFO L225 Difference]: With dead ends: 511 [2024-11-23 22:37:03,282 INFO L226 Difference]: Without dead ends: 297 [2024-11-23 22:37:03,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2024-11-23 22:37:03,284 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 188 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:03,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 1047 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 22:37:03,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-23 22:37:03,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 210. [2024-11-23 22:37:03,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 188 states have (on average 1.2553191489361701) internal successors, (236), 190 states have internal predecessors, (236), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 22:37:03,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2024-11-23 22:37:03,309 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 80 [2024-11-23 22:37:03,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:03,310 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2024-11-23 22:37:03,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 22:37:03,310 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2024-11-23 22:37:03,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-23 22:37:03,311 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:03,311 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:03,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 22:37:03,312 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:03,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:03,312 INFO L85 PathProgramCache]: Analyzing trace with hash 433053927, now seen corresponding path program 1 times [2024-11-23 22:37:03,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:03,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906508211] [2024-11-23 22:37:03,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:03,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:03,502 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-23 22:37:03,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:03,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906508211] [2024-11-23 22:37:03,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906508211] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:37:03,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414753427] [2024-11-23 22:37:03,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:03,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:37:03,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:37:03,505 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:37:03,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 22:37:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:03,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 22:37:03,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:37:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:03,707 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:37:03,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414753427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:03,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:37:03,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-11-23 22:37:03,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068953565] [2024-11-23 22:37:03,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:03,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:37:03,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:03,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:37:03,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 22:37:03,709 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:03,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:03,753 INFO L93 Difference]: Finished difference Result 429 states and 548 transitions. [2024-11-23 22:37:03,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:37:03,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 80 [2024-11-23 22:37:03,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:03,755 INFO L225 Difference]: With dead ends: 429 [2024-11-23 22:37:03,755 INFO L226 Difference]: Without dead ends: 222 [2024-11-23 22:37:03,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 22:37:03,756 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:03,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 435 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:37:03,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-23 22:37:03,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 213. [2024-11-23 22:37:03,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 191 states have (on average 1.2513089005235603) internal successors, (239), 193 states have internal predecessors, (239), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 22:37:03,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 271 transitions. [2024-11-23 22:37:03,774 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 271 transitions. Word has length 80 [2024-11-23 22:37:03,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:03,774 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 271 transitions. [2024-11-23 22:37:03,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:03,774 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 271 transitions. [2024-11-23 22:37:03,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-23 22:37:03,775 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:03,776 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:03,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 22:37:03,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-23 22:37:03,981 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:03,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:03,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1972705984, now seen corresponding path program 1 times [2024-11-23 22:37:03,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:03,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115036900] [2024-11-23 22:37:03,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:03,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:04,165 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:04,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:04,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115036900] [2024-11-23 22:37:04,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115036900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:04,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:04,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:37:04,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42906039] [2024-11-23 22:37:04,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:04,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:37:04,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:04,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:37:04,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:37:04,167 INFO L87 Difference]: Start difference. First operand 213 states and 271 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:04,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:04,331 INFO L93 Difference]: Finished difference Result 480 states and 605 transitions. [2024-11-23 22:37:04,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:37:04,332 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 80 [2024-11-23 22:37:04,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:04,334 INFO L225 Difference]: With dead ends: 480 [2024-11-23 22:37:04,334 INFO L226 Difference]: Without dead ends: 270 [2024-11-23 22:37:04,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:37:04,337 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 52 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:04,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 450 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:37:04,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-23 22:37:04,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 187. [2024-11-23 22:37:04,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 167 states have (on average 1.221556886227545) internal successors, (204), 168 states have internal predecessors, (204), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 22:37:04,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 232 transitions. [2024-11-23 22:37:04,364 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 232 transitions. Word has length 80 [2024-11-23 22:37:04,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:04,365 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 232 transitions. [2024-11-23 22:37:04,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:04,365 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 232 transitions. [2024-11-23 22:37:04,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-23 22:37:04,369 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:04,369 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:04,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 22:37:04,369 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:04,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:04,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1372487969, now seen corresponding path program 1 times [2024-11-23 22:37:04,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:04,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925068319] [2024-11-23 22:37:04,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:04,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:04,494 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:04,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:04,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925068319] [2024-11-23 22:37:04,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925068319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:04,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:04,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:37:04,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754995400] [2024-11-23 22:37:04,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:04,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:37:04,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:04,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:37:04,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:37:04,496 INFO L87 Difference]: Start difference. First operand 187 states and 232 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:04,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:04,620 INFO L93 Difference]: Finished difference Result 373 states and 462 transitions. [2024-11-23 22:37:04,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:37:04,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 80 [2024-11-23 22:37:04,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:04,623 INFO L225 Difference]: With dead ends: 373 [2024-11-23 22:37:04,623 INFO L226 Difference]: Without dead ends: 189 [2024-11-23 22:37:04,624 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 [2024-11-23 22:37:04,624 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 43 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:04,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 402 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:37:04,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-23 22:37:04,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 187. [2024-11-23 22:37:04,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 167 states have (on average 1.215568862275449) internal successors, (203), 168 states have internal predecessors, (203), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 22:37:04,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 231 transitions. [2024-11-23 22:37:04,644 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 231 transitions. Word has length 80 [2024-11-23 22:37:04,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:04,644 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 231 transitions. [2024-11-23 22:37:04,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:04,645 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 231 transitions. [2024-11-23 22:37:04,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 22:37:04,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:04,646 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:04,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 22:37:04,646 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:04,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:04,647 INFO L85 PathProgramCache]: Analyzing trace with hash -718955474, now seen corresponding path program 1 times [2024-11-23 22:37:04,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:04,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523111215] [2024-11-23 22:37:04,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:04,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:04,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:04,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523111215] [2024-11-23 22:37:04,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523111215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:04,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:04,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:37:04,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208381553] [2024-11-23 22:37:04,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:04,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:37:04,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:04,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:37:04,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:37:04,805 INFO L87 Difference]: Start difference. First operand 187 states and 231 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:04,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:04,881 INFO L93 Difference]: Finished difference Result 447 states and 552 transitions. [2024-11-23 22:37:04,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:37:04,882 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 82 [2024-11-23 22:37:04,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:04,883 INFO L225 Difference]: With dead ends: 447 [2024-11-23 22:37:04,883 INFO L226 Difference]: Without dead ends: 263 [2024-11-23 22:37:04,884 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 [2024-11-23 22:37:04,884 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 47 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:04,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 333 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:37:04,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-23 22:37:04,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 187. [2024-11-23 22:37:04,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 167 states have (on average 1.2035928143712575) internal successors, (201), 168 states have internal predecessors, (201), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 22:37:04,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 229 transitions. [2024-11-23 22:37:04,901 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 229 transitions. Word has length 82 [2024-11-23 22:37:04,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:04,902 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 229 transitions. [2024-11-23 22:37:04,902 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:04,902 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 229 transitions. [2024-11-23 22:37:04,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 22:37:04,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:04,903 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:04,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 22:37:04,903 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:04,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:04,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1170028191, now seen corresponding path program 1 times [2024-11-23 22:37:04,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:04,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066280553] [2024-11-23 22:37:04,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:04,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:05,093 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:05,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:05,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066280553] [2024-11-23 22:37:05,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066280553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:05,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:05,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:37:05,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135767993] [2024-11-23 22:37:05,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:05,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:37:05,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:05,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:37:05,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:37:05,096 INFO L87 Difference]: Start difference. First operand 187 states and 229 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:05,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:05,237 INFO L93 Difference]: Finished difference Result 402 states and 491 transitions. [2024-11-23 22:37:05,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:37:05,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 82 [2024-11-23 22:37:05,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:05,239 INFO L225 Difference]: With dead ends: 402 [2024-11-23 22:37:05,240 INFO L226 Difference]: Without dead ends: 218 [2024-11-23 22:37:05,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:37:05,241 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 38 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:05,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 421 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:37:05,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-23 22:37:05,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 187. [2024-11-23 22:37:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 167 states have (on average 1.1976047904191616) internal successors, (200), 168 states have internal predecessors, (200), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 22:37:05,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 228 transitions. [2024-11-23 22:37:05,265 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 228 transitions. Word has length 82 [2024-11-23 22:37:05,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:05,265 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 228 transitions. [2024-11-23 22:37:05,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 228 transitions. [2024-11-23 22:37:05,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 22:37:05,267 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:05,267 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:05,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 22:37:05,267 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:05,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:05,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1385869692, now seen corresponding path program 1 times [2024-11-23 22:37:05,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:05,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61351815] [2024-11-23 22:37:05,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:05,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:05,932 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-23 22:37:05,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:05,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61351815] [2024-11-23 22:37:05,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61351815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:37:05,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579129522] [2024-11-23 22:37:05,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:05,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:37:05,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:37:05,935 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:37:05,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 22:37:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:06,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-23 22:37:06,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:37:06,288 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 [2024-11-23 22:37:06,458 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 [2024-11-23 22:37:06,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 22:37:06,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 22:37:06,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 22:37:06,817 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 1 proven. 83 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-23 22:37:06,817 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:37:06,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-23 22:37:07,090 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 36 treesize of output 32 [2024-11-23 22:37:07,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2024-11-23 22:37:07,302 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-23 22:37:07,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579129522] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:37:07,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:37:07,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 27 [2024-11-23 22:37:07,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536611956] [2024-11-23 22:37:07,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:37:07,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-23 22:37:07,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:07,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-23 22:37:07,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2024-11-23 22:37:07,307 INFO L87 Difference]: Start difference. First operand 187 states and 228 transitions. Second operand has 27 states, 24 states have (on average 4.958333333333333) internal successors, (119), 26 states have internal predecessors, (119), 9 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 6 states have call predecessors, (22), 9 states have call successors, (22) [2024-11-23 22:37:08,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:08,331 INFO L93 Difference]: Finished difference Result 453 states and 547 transitions. [2024-11-23 22:37:08,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 22:37:08,332 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 24 states have (on average 4.958333333333333) internal successors, (119), 26 states have internal predecessors, (119), 9 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 6 states have call predecessors, (22), 9 states have call successors, (22) Word has length 82 [2024-11-23 22:37:08,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:08,334 INFO L225 Difference]: With dead ends: 453 [2024-11-23 22:37:08,334 INFO L226 Difference]: Without dead ends: 269 [2024-11-23 22:37:08,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=423, Invalid=1647, Unknown=0, NotChecked=0, Total=2070 [2024-11-23 22:37:08,336 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 507 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:08,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 596 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 22:37:08,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-23 22:37:08,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 198. [2024-11-23 22:37:08,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 178 states have (on average 1.202247191011236) internal successors, (214), 179 states have internal predecessors, (214), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 22:37:08,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 242 transitions. [2024-11-23 22:37:08,356 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 242 transitions. Word has length 82 [2024-11-23 22:37:08,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:08,357 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 242 transitions. [2024-11-23 22:37:08,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 24 states have (on average 4.958333333333333) internal successors, (119), 26 states have internal predecessors, (119), 9 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 6 states have call predecessors, (22), 9 states have call successors, (22) [2024-11-23 22:37:08,357 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 242 transitions. [2024-11-23 22:37:08,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 22:37:08,358 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:08,358 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:08,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 22:37:08,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:37:08,559 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:08,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:08,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1384022650, now seen corresponding path program 1 times [2024-11-23 22:37:08,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:08,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231914176] [2024-11-23 22:37:08,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:08,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:08,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:08,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231914176] [2024-11-23 22:37:08,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231914176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:08,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:08,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:37:08,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269854430] [2024-11-23 22:37:08,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:08,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:37:08,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:08,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:37:08,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:37:08,727 INFO L87 Difference]: Start difference. First operand 198 states and 242 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:08,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:08,804 INFO L93 Difference]: Finished difference Result 421 states and 512 transitions. [2024-11-23 22:37:08,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:37:08,805 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 82 [2024-11-23 22:37:08,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:08,806 INFO L225 Difference]: With dead ends: 421 [2024-11-23 22:37:08,806 INFO L226 Difference]: Without dead ends: 224 [2024-11-23 22:37:08,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:37:08,807 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 56 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:08,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 364 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:37:08,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-23 22:37:08,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 162. [2024-11-23 22:37:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 149 states have (on average 1.1946308724832215) internal successors, (178), 149 states have internal predecessors, (178), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 22:37:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 194 transitions. [2024-11-23 22:37:08,823 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 194 transitions. Word has length 82 [2024-11-23 22:37:08,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:08,823 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 194 transitions. [2024-11-23 22:37:08,823 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:08,824 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 194 transitions. [2024-11-23 22:37:08,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 22:37:08,824 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:08,824 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:08,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 22:37:08,825 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:08,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:08,825 INFO L85 PathProgramCache]: Analyzing trace with hash 390984712, now seen corresponding path program 1 times [2024-11-23 22:37:08,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:08,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812986121] [2024-11-23 22:37:08,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:08,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:09,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:09,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812986121] [2024-11-23 22:37:09,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812986121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:09,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:09,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 22:37:09,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975893214] [2024-11-23 22:37:09,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:09,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:37:09,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:09,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:37:09,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:37:09,176 INFO L87 Difference]: Start difference. First operand 162 states and 194 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:09,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:09,349 INFO L93 Difference]: Finished difference Result 406 states and 485 transitions. [2024-11-23 22:37:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:37:09,349 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 82 [2024-11-23 22:37:09,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:09,351 INFO L225 Difference]: With dead ends: 406 [2024-11-23 22:37:09,351 INFO L226 Difference]: Without dead ends: 243 [2024-11-23 22:37:09,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-23 22:37:09,352 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 45 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:09,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 470 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:37:09,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-23 22:37:09,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 220. [2024-11-23 22:37:09,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 207 states have (on average 1.1884057971014492) internal successors, (246), 207 states have internal predecessors, (246), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 22:37:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 262 transitions. [2024-11-23 22:37:09,367 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 262 transitions. Word has length 82 [2024-11-23 22:37:09,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:09,368 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 262 transitions. [2024-11-23 22:37:09,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:09,368 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 262 transitions. [2024-11-23 22:37:09,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-23 22:37:09,369 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:09,369 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:09,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-23 22:37:09,370 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:09,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:09,370 INFO L85 PathProgramCache]: Analyzing trace with hash -275985652, now seen corresponding path program 1 times [2024-11-23 22:37:09,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:09,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799156175] [2024-11-23 22:37:09,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:09,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:09,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:09,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799156175] [2024-11-23 22:37:09,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799156175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:09,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:09,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:37:09,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796640379] [2024-11-23 22:37:09,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:09,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:37:09,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:09,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:37:09,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:37:09,523 INFO L87 Difference]: Start difference. First operand 220 states and 262 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:09,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:09,593 INFO L93 Difference]: Finished difference Result 521 states and 621 transitions. [2024-11-23 22:37:09,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:37:09,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 83 [2024-11-23 22:37:09,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:09,596 INFO L225 Difference]: With dead ends: 521 [2024-11-23 22:37:09,596 INFO L226 Difference]: Without dead ends: 304 [2024-11-23 22:37:09,596 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 [2024-11-23 22:37:09,597 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 37 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:09,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 332 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:37:09,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-23 22:37:09,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 235. [2024-11-23 22:37:09,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 222 states have (on average 1.1756756756756757) internal successors, (261), 222 states have internal predecessors, (261), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-23 22:37:09,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 277 transitions. [2024-11-23 22:37:09,613 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 277 transitions. Word has length 83 [2024-11-23 22:37:09,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:09,614 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 277 transitions. [2024-11-23 22:37:09,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:09,614 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 277 transitions. [2024-11-23 22:37:09,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-23 22:37:09,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:09,615 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:09,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-23 22:37:09,616 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:09,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:09,616 INFO L85 PathProgramCache]: Analyzing trace with hash -2010953120, now seen corresponding path program 1 times [2024-11-23 22:37:09,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:09,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37991815] [2024-11-23 22:37:09,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:09,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:10,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:10,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37991815] [2024-11-23 22:37:10,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37991815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:10,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:10,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 22:37:10,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330602536] [2024-11-23 22:37:10,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:10,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 22:37:10,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:10,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 22:37:10,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-23 22:37:10,052 INFO L87 Difference]: Start difference. First operand 235 states and 277 transitions. Second operand has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-23 22:37:10,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:10,420 INFO L93 Difference]: Finished difference Result 613 states and 716 transitions. [2024-11-23 22:37:10,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 22:37:10,421 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 83 [2024-11-23 22:37:10,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:10,423 INFO L225 Difference]: With dead ends: 613 [2024-11-23 22:37:10,423 INFO L226 Difference]: Without dead ends: 381 [2024-11-23 22:37:10,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2024-11-23 22:37:10,424 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 141 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:10,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 735 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:37:10,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-23 22:37:10,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 354. [2024-11-23 22:37:10,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 335 states have (on average 1.1522388059701492) internal successors, (386), 336 states have internal predecessors, (386), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 22:37:10,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 410 transitions. [2024-11-23 22:37:10,450 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 410 transitions. Word has length 83 [2024-11-23 22:37:10,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:10,450 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 410 transitions. [2024-11-23 22:37:10,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-23 22:37:10,451 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 410 transitions. [2024-11-23 22:37:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-23 22:37:10,453 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:10,453 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:10,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-23 22:37:10,453 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:10,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:10,454 INFO L85 PathProgramCache]: Analyzing trace with hash 478575842, now seen corresponding path program 1 times [2024-11-23 22:37:10,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:10,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532471720] [2024-11-23 22:37:10,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:10,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:10,543 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:10,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:10,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532471720] [2024-11-23 22:37:10,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532471720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:10,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:10,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:37:10,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178161446] [2024-11-23 22:37:10,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:10,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:37:10,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:10,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:37:10,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:37:10,546 INFO L87 Difference]: Start difference. First operand 354 states and 410 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:10,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:10,680 INFO L93 Difference]: Finished difference Result 792 states and 916 transitions. [2024-11-23 22:37:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:37:10,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 83 [2024-11-23 22:37:10,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:10,683 INFO L225 Difference]: With dead ends: 792 [2024-11-23 22:37:10,683 INFO L226 Difference]: Without dead ends: 441 [2024-11-23 22:37:10,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:37:10,684 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 43 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:10,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 440 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:37:10,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-23 22:37:10,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 391. [2024-11-23 22:37:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 372 states have (on average 1.1451612903225807) internal successors, (426), 373 states have internal predecessors, (426), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 22:37:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 450 transitions. [2024-11-23 22:37:10,712 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 450 transitions. Word has length 83 [2024-11-23 22:37:10,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:10,713 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 450 transitions. [2024-11-23 22:37:10,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 450 transitions. [2024-11-23 22:37:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-23 22:37:10,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:10,714 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:10,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-23 22:37:10,715 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:10,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:10,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1002936392, now seen corresponding path program 1 times [2024-11-23 22:37:10,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:10,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642408226] [2024-11-23 22:37:10,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:10,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:10,835 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:10,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:10,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642408226] [2024-11-23 22:37:10,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642408226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:10,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:10,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:37:10,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15919151] [2024-11-23 22:37:10,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:10,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:37:10,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:10,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:37:10,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:37:10,837 INFO L87 Difference]: Start difference. First operand 391 states and 450 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:10,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:10,916 INFO L93 Difference]: Finished difference Result 681 states and 783 transitions. [2024-11-23 22:37:10,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:37:10,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 83 [2024-11-23 22:37:10,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:10,918 INFO L225 Difference]: With dead ends: 681 [2024-11-23 22:37:10,919 INFO L226 Difference]: Without dead ends: 293 [2024-11-23 22:37:10,919 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 [2024-11-23 22:37:10,921 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:10,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:37:10,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-23 22:37:10,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2024-11-23 22:37:10,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 274 states have (on average 1.135036496350365) internal successors, (311), 275 states have internal predecessors, (311), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 22:37:10,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 335 transitions. [2024-11-23 22:37:10,958 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 335 transitions. Word has length 83 [2024-11-23 22:37:10,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:10,958 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 335 transitions. [2024-11-23 22:37:10,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:10,959 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 335 transitions. [2024-11-23 22:37:10,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-23 22:37:10,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:10,961 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:10,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-23 22:37:10,961 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:10,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:10,963 INFO L85 PathProgramCache]: Analyzing trace with hash 2127378926, now seen corresponding path program 1 times [2024-11-23 22:37:10,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:10,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724587342] [2024-11-23 22:37:10,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:10,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:11,094 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:11,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:11,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724587342] [2024-11-23 22:37:11,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724587342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:11,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:11,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:37:11,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748560344] [2024-11-23 22:37:11,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:11,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:37:11,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:11,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:37:11,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:37:11,097 INFO L87 Difference]: Start difference. First operand 293 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:11,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:11,224 INFO L93 Difference]: Finished difference Result 609 states and 695 transitions. [2024-11-23 22:37:11,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:37:11,224 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 84 [2024-11-23 22:37:11,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:11,226 INFO L225 Difference]: With dead ends: 609 [2024-11-23 22:37:11,226 INFO L226 Difference]: Without dead ends: 302 [2024-11-23 22:37:11,227 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 [2024-11-23 22:37:11,227 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 35 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:11,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 390 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:37:11,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-23 22:37:11,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 274. [2024-11-23 22:37:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 255 states have (on average 1.1333333333333333) internal successors, (289), 256 states have internal predecessors, (289), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 22:37:11,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 313 transitions. [2024-11-23 22:37:11,252 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 313 transitions. Word has length 84 [2024-11-23 22:37:11,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:11,253 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 313 transitions. [2024-11-23 22:37:11,254 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:11,254 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 313 transitions. [2024-11-23 22:37:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-23 22:37:11,255 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:11,255 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:11,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-23 22:37:11,257 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:11,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:11,258 INFO L85 PathProgramCache]: Analyzing trace with hash -62616729, now seen corresponding path program 1 times [2024-11-23 22:37:11,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:11,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771194209] [2024-11-23 22:37:11,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:11,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:11,820 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:11,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:11,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771194209] [2024-11-23 22:37:11,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771194209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:11,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:11,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:37:11,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331424591] [2024-11-23 22:37:11,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:11,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:37:11,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:11,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:37:11,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:37:11,823 INFO L87 Difference]: Start difference. First operand 274 states and 313 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:11,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:11,990 INFO L93 Difference]: Finished difference Result 323 states and 367 transitions. [2024-11-23 22:37:11,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:37:11,991 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 85 [2024-11-23 22:37:11,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:11,992 INFO L225 Difference]: With dead ends: 323 [2024-11-23 22:37:11,993 INFO L226 Difference]: Without dead ends: 321 [2024-11-23 22:37:11,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:37:11,993 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 63 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:11,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 474 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:37:11,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-23 22:37:12,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 305. [2024-11-23 22:37:12,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 277 states have (on average 1.1227436823104693) internal successors, (311), 279 states have internal predecessors, (311), 18 states have call successors, (18), 9 states have call predecessors, (18), 9 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 22:37:12,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 347 transitions. [2024-11-23 22:37:12,036 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 347 transitions. Word has length 85 [2024-11-23 22:37:12,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:12,036 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 347 transitions. [2024-11-23 22:37:12,037 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:12,037 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 347 transitions. [2024-11-23 22:37:12,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-23 22:37:12,039 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:12,039 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:12,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-23 22:37:12,040 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:12,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:12,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1466680182, now seen corresponding path program 1 times [2024-11-23 22:37:12,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:12,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639928497] [2024-11-23 22:37:12,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:12,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:12,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:12,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639928497] [2024-11-23 22:37:12,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639928497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:12,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:12,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:37:12,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454898060] [2024-11-23 22:37:12,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:12,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:37:12,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:12,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:37:12,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:37:12,200 INFO L87 Difference]: Start difference. First operand 305 states and 347 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:12,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:12,299 INFO L93 Difference]: Finished difference Result 640 states and 726 transitions. [2024-11-23 22:37:12,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:37:12,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 86 [2024-11-23 22:37:12,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:12,302 INFO L225 Difference]: With dead ends: 640 [2024-11-23 22:37:12,302 INFO L226 Difference]: Without dead ends: 363 [2024-11-23 22:37:12,302 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 [2024-11-23 22:37:12,303 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 33 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:12,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 408 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:37:12,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-23 22:37:12,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 267. [2024-11-23 22:37:12,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 239 states have (on average 1.100418410041841) internal successors, (263), 241 states have internal predecessors, (263), 18 states have call successors, (18), 9 states have call predecessors, (18), 9 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 22:37:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 299 transitions. [2024-11-23 22:37:12,346 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 299 transitions. Word has length 86 [2024-11-23 22:37:12,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:12,347 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 299 transitions. [2024-11-23 22:37:12,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:12,347 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 299 transitions. [2024-11-23 22:37:12,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-23 22:37:12,348 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:12,348 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:12,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-23 22:37:12,349 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:12,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:12,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1006027382, now seen corresponding path program 1 times [2024-11-23 22:37:12,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:12,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877578061] [2024-11-23 22:37:12,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:12,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 22:37:12,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:12,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877578061] [2024-11-23 22:37:12,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877578061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:12,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:12,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:37:12,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682301823] [2024-11-23 22:37:12,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:12,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:37:12,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:12,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:37:12,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:37:12,461 INFO L87 Difference]: Start difference. First operand 267 states and 299 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:12,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:12,588 INFO L93 Difference]: Finished difference Result 500 states and 554 transitions. [2024-11-23 22:37:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:37:12,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 89 [2024-11-23 22:37:12,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:12,589 INFO L225 Difference]: With dead ends: 500 [2024-11-23 22:37:12,589 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 22:37:12,590 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 [2024-11-23 22:37:12,591 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 25 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:12,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 245 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:37:12,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 22:37:12,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 22:37:12,591 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) [2024-11-23 22:37:12,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 22:37:12,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2024-11-23 22:37:12,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:12,592 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 22:37:12,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-23 22:37:12,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 22:37:12,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 22:37:12,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 22:37:12,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-23 22:37:12,598 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] [2024-11-23 22:37:12,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 22:37:27,981 WARN L286 SmtUtils]: Spent 14.50s on a formula simplification. DAG size of input: 178 DAG size of output: 196 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-23 22:37:33,516 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:37:33,530 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_6~0!offset [2024-11-23 22:37:33,531 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_6_Pointer~0!offset [2024-11-23 22:37:33,535 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#7 [2024-11-23 22:37:33,535 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] [2024-11-23 22:37:33,535 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,535 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#7 [2024-11-23 22:37:33,535 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] [2024-11-23 22:37:33,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#10 [2024-11-23 22:37:33,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] [2024-11-23 22:37:33,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#7 [2024-11-23 22:37:33,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] [2024-11-23 22:37:33,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#10 [2024-11-23 22:37:33,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] [2024-11-23 22:37:33,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#7 [2024-11-23 22:37:33,536 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_6~0!base [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_6_Pointer~0!base [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#8 [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#9 [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~var_1_9_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_4~0!base [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_4_Pointer~0!base [2024-11-23 22:37:33,537 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_8_Pointer~0!base [2024-11-23 22:37:33,538 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_8~0!base [2024-11-23 22:37:33,538 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-23 22:37:33,538 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-23 22:37:33,538 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,539 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-23 22:37:33,539 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-23 22:37:33,539 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,539 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_8~0!offset [2024-11-23 22:37:33,539 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_8_Pointer~0!offset [2024-11-23 22:37:33,539 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_4_Pointer~0!offset [2024-11-23 22:37:33,540 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_4~0!offset [2024-11-23 22:37:33,540 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-23 22:37:33,540 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-23 22:37:33,540 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,540 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#8 [2024-11-23 22:37:33,540 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] [2024-11-23 22:37:33,540 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,541 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_4~0!base [2024-11-23 22:37:33,541 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_4_Pointer~0!base [2024-11-23 22:37:33,541 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_8_Pointer~0!base [2024-11-23 22:37:33,541 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_8~0!base [2024-11-23 22:37:33,541 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-23 22:37:33,541 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-23 22:37:33,541 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,541 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_8~0!offset [2024-11-23 22:37:33,542 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_8_Pointer~0!offset [2024-11-23 22:37:33,542 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_4_Pointer~0!offset [2024-11-23 22:37:33,542 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_4~0!offset [2024-11-23 22:37:33,542 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-23 22:37:33,542 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-23 22:37:33,542 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,543 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#8 [2024-11-23 22:37:33,543 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] [2024-11-23 22:37:33,543 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,544 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-23 22:37:33,544 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-23 22:37:33,544 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,544 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#9 [2024-11-23 22:37:33,544 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] [2024-11-23 22:37:33,544 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~var_1_9_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,544 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_4~0!base [2024-11-23 22:37:33,544 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_4_Pointer~0!base [2024-11-23 22:37:33,544 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_8_Pointer~0!base [2024-11-23 22:37:33,544 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_8~0!base [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_6~0!offset [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_6_Pointer~0!offset [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_8~0!offset [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_8_Pointer~0!offset [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_4_Pointer~0!offset [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_4~0!offset [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_6~0!base [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_6_Pointer~0!base [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_6_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,545 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-11-23 22:37:33,546 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-11-23 22:37:33,546 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_5_Pointer~0!base,GLOBAL]]] [2024-11-23 22:37:33,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:37:33 BoogieIcfgContainer [2024-11-23 22:37:33,546 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:37:33,547 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:37:33,547 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:37:33,547 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:37:33,547 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:36:50" (3/4) ... [2024-11-23 22:37:33,551 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 22:37:33,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 22:37:33,568 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-23 22:37:33,571 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-23 22:37:33,571 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 22:37:33,572 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:37:33,701 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:37:33,702 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:37:33,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:37:33,703 INFO L158 Benchmark]: Toolchain (without parser) took 44386.46ms. Allocated memory was 142.6MB in the beginning and 998.2MB in the end (delta: 855.6MB). Free memory was 118.8MB in the beginning and 507.1MB in the end (delta: -388.3MB). Peak memory consumption was 460.5MB. Max. memory is 16.1GB. [2024-11-23 22:37:33,703 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:37:33,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.50ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 105.3MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:37:33,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.32ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 102.8MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:37:33,704 INFO L158 Benchmark]: Boogie Preprocessor took 96.20ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 99.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:37:33,704 INFO L158 Benchmark]: RCFGBuilder took 706.97ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 73.1MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 22:37:33,704 INFO L158 Benchmark]: TraceAbstraction took 43068.47ms. Allocated memory was 142.6MB in the beginning and 998.2MB in the end (delta: 855.6MB). Free memory was 72.6MB in the beginning and 515.4MB in the end (delta: -442.9MB). Peak memory consumption was 555.3MB. Max. memory is 16.1GB. [2024-11-23 22:37:33,704 INFO L158 Benchmark]: Witness Printer took 155.33ms. Allocated memory is still 998.2MB. Free memory was 515.4MB in the beginning and 507.1MB in the end (delta: 8.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:37:33,706 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.50ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 105.3MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.32ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 102.8MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.20ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 99.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 706.97ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 73.1MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 43068.47ms. Allocated memory was 142.6MB in the beginning and 998.2MB in the end (delta: 855.6MB). Free memory was 72.6MB in the beginning and 515.4MB in the end (delta: -442.9MB). Peak memory consumption was 555.3MB. Max. memory is 16.1GB. * Witness Printer took 155.33ms. Allocated memory is still 998.2MB. Free memory was 515.4MB in the beginning and 507.1MB in the end (delta: 8.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_6~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_6_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#10 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#10 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_6~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_6_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#9 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~var_1_9_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_4~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_4_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_8_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_8~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_8~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_4_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_4~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_4~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_4_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_8_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_8~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_8~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_4_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_4~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#9 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~var_1_9_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_4~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_4_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_8_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_8~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_4_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_6~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_6_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_8~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_4_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_4~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_6~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_6_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_6_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_5_Pointer~0!base,GLOBAL]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.1s, OverallIterations: 29, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2373 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2373 mSDsluCounter, 13502 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10438 mSDsCounter, 270 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3598 IncrementalHoareTripleChecker+Invalid, 3868 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 270 mSolverCounterUnsat, 3064 mSDtfsCounter, 3598 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 920 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=391occurred in iteration=24, InterpolantAutomatonStates: 207, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 29 MinimizatonAttempts, 958 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 2714 NumberOfCodeBlocks, 2714 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2839 ConstructedInterpolants, 0 QuantifiedInterpolants, 10035 SizeOfPredicates, 34 NumberOfNonLiveVariables, 1847 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 36 InterpolantComputations, 27 PerfectInterpolantSequences, 3830/4032 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 22:37:33,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a165998-6bce-44d8-8d98-7d3f23cc0c22/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE