./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce7290e6713376455badf7100d5aceeca845cede6d066d71203baae97fa0e235 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:46:08,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:46:08,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:46:08,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:46:08,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:46:08,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:46:08,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:46:08,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:46:08,455 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:46:08,455 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:46:08,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:46:08,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:46:08,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:46:08,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:46:08,457 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:46:08,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:46:08,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:46:08,458 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:46:08,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:46:08,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:46:08,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:46:08,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:46:08,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:46:08,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:46:08,459 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:46:08,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:46:08,460 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:46:08,460 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:46:08,460 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:46:08,460 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:46:08,460 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:46:08,460 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:46:08,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:08,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:46:08,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:46:08,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:46:08,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:46:08,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:08,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:46:08,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:46:08,462 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:46:08,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:46:08,462 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:46:08,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:46:08,462 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:46:08,462 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:46:08,463 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:46:08,463 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:46:08,463 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_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce7290e6713376455badf7100d5aceeca845cede6d066d71203baae97fa0e235 [2024-11-28 02:46:08,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:46:08,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:46:08,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:46:08,812 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:46:08,813 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:46:08,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-3.i [2024-11-28 02:46:11,694 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/data/111082b3f/023e94128a3949d2ab7c8399ec73ca10/FLAG9c38f8bc1 [2024-11-28 02:46:11,981 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:46:11,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-3.i [2024-11-28 02:46:12,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/data/111082b3f/023e94128a3949d2ab7c8399ec73ca10/FLAG9c38f8bc1 [2024-11-28 02:46:12,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/data/111082b3f/023e94128a3949d2ab7c8399ec73ca10 [2024-11-28 02:46:12,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:46:12,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:46:12,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:12,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:46:12,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:46:12,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b50b7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12, skipping insertion in model container [2024-11-28 02:46:12,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,314 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:46:12,506 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_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-3.i[915,928] [2024-11-28 02:46:12,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:12,622 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:46:12,638 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_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-3.i[915,928] [2024-11-28 02:46:12,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:12,724 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:46:12,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12 WrapperNode [2024-11-28 02:46:12,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:12,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:12,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:46:12,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:46:12,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,799 INFO L138 Inliner]: procedures = 29, calls = 192, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 664 [2024-11-28 02:46:12,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:12,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:46:12,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:46:12,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:46:12,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,866 INFO L175 MemorySlicer]: Split 151 memory accesses to 15 slices as follows [2, 5, 8, 10, 5, 10, 8, 12, 8, 8, 5, 14, 14, 12, 30]. 20 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1]. [2024-11-28 02:46:12,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,897 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:46:12,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:46:12,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:46:12,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:46:12,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (1/1) ... [2024-11-28 02:46:12,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:12,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:12,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:12,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:46:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:46:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 02:46:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 02:46:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 02:46:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 02:46:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-28 02:46:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-28 02:46:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-28 02:46:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-28 02:46:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-28 02:46:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-28 02:46:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-28 02:46:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-28 02:46:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-28 02:46:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-28 02:46:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-28 02:46:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:46:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:46:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:46:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:46:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:46:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:46:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:46:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:46:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:46:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:46:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:46:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:46:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 02:46:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 02:46:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 02:46:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 02:46:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 02:46:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-28 02:46:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-28 02:46:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-28 02:46:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-28 02:46:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-28 02:46:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-28 02:46:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-28 02:46:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-28 02:46:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-28 02:46:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-28 02:46:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-28 02:46:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-28 02:46:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-28 02:46:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:46:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 02:46:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 02:46:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-28 02:46:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-28 02:46:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-28 02:46:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-28 02:46:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-28 02:46:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-28 02:46:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-28 02:46:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-28 02:46:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-28 02:46:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-28 02:46:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-28 02:46:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-28 02:46:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-28 02:46:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:46:13,019 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:46:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:46:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:46:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:46:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:46:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:46:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:46:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:46:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:46:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:46:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:46:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:46:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:46:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 02:46:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 02:46:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 02:46:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:46:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:46:13,320 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:46:13,322 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:46:14,110 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2024-11-28 02:46:14,110 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:46:14,129 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:46:14,129 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:46:14,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:14 BoogieIcfgContainer [2024-11-28 02:46:14,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:46:14,132 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:46:14,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:46:14,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:46:14,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:46:12" (1/3) ... [2024-11-28 02:46:14,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117fd27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:14, skipping insertion in model container [2024-11-28 02:46:14,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:12" (2/3) ... [2024-11-28 02:46:14,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117fd27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:14, skipping insertion in model container [2024-11-28 02:46:14,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:14" (3/3) ... [2024-11-28 02:46:14,145 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-3.i [2024-11-28 02:46:14,162 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:46:14,165 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-3.i that has 2 procedures, 149 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:46:14,247 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:46:14,262 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;@7000544e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:46:14,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:46:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 130 states have (on average 1.4615384615384615) internal successors, (190), 131 states have internal predecessors, (190), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:46:14,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:46:14,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:14,284 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:14,284 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:14,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:14,289 INFO L85 PathProgramCache]: Analyzing trace with hash -962361363, now seen corresponding path program 1 times [2024-11-28 02:46:14,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:14,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934183510] [2024-11-28 02:46:14,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:14,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:14,650 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-28 02:46:14,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:14,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934183510] [2024-11-28 02:46:14,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934183510] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:46:14,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573767916] [2024-11-28 02:46:14,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:14,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:46:14,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:14,654 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:46:14,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:46:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:15,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:46:15,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-28 02:46:15,130 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:46:15,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573767916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:15,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:46:15,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:46:15,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548311969] [2024-11-28 02:46:15,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:15,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:46:15,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:15,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:46:15,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:46:15,161 INFO L87 Difference]: Start difference. First operand has 149 states, 130 states have (on average 1.4615384615384615) internal successors, (190), 131 states have internal predecessors, (190), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:46:15,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:15,195 INFO L93 Difference]: Finished difference Result 291 states and 454 transitions. [2024-11-28 02:46:15,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:46:15,197 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2024-11-28 02:46:15,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:15,205 INFO L225 Difference]: With dead ends: 291 [2024-11-28 02:46:15,205 INFO L226 Difference]: Without dead ends: 145 [2024-11-28 02:46:15,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:46:15,215 INFO L435 NwaCegarLoop]: 215 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, 215 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 [2024-11-28 02:46:15,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:46:15,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-28 02:46:15,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-28 02:46:15,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 127 states have (on average 1.4409448818897639) internal successors, (183), 127 states have internal predecessors, (183), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:46:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 215 transitions. [2024-11-28 02:46:15,260 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 215 transitions. Word has length 133 [2024-11-28 02:46:15,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:15,260 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 215 transitions. [2024-11-28 02:46:15,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:46:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 215 transitions. [2024-11-28 02:46:15,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:46:15,264 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:15,264 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:15,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:46:15,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:46:15,465 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:15,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:15,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1607444309, now seen corresponding path program 1 times [2024-11-28 02:46:15,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:15,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46330759] [2024-11-28 02:46:15,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:15,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:15,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:15,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46330759] [2024-11-28 02:46:15,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46330759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:15,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:15,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:46:15,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631258359] [2024-11-28 02:46:15,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:15,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:46:15,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:15,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:46:15,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:46:15,957 INFO L87 Difference]: Start difference. First operand 145 states and 215 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:46:16,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:16,038 INFO L93 Difference]: Finished difference Result 289 states and 430 transitions. [2024-11-28 02:46:16,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:46:16,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2024-11-28 02:46:16,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:16,043 INFO L225 Difference]: With dead ends: 289 [2024-11-28 02:46:16,043 INFO L226 Difference]: Without dead ends: 147 [2024-11-28 02:46:16,044 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 [2024-11-28 02:46:16,045 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 0 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:16,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 628 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:46:16,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-28 02:46:16,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-28 02:46:16,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 129 states have (on average 1.434108527131783) internal successors, (185), 129 states have internal predecessors, (185), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:46:16,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 217 transitions. [2024-11-28 02:46:16,061 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 217 transitions. Word has length 133 [2024-11-28 02:46:16,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:16,063 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 217 transitions. [2024-11-28 02:46:16,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:46:16,063 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 217 transitions. [2024-11-28 02:46:16,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:46:16,066 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:16,066 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:16,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:46:16,066 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:16,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:16,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1658163689, now seen corresponding path program 1 times [2024-11-28 02:46:16,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:16,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001849200] [2024-11-28 02:46:16,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:16,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:16,562 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:46:16,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:16,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001849200] [2024-11-28 02:46:16,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001849200] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:46:16,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864396948] [2024-11-28 02:46:16,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:16,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:46:16,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:16,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:46:16,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:46:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:16,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:46:16,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:17,024 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:17,024 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:46:17,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864396948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:17,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:46:17,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-28 02:46:17,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357219693] [2024-11-28 02:46:17,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:17,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:46:17,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:17,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:46:17,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:46:17,026 INFO L87 Difference]: Start difference. First operand 147 states and 217 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:17,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:17,092 INFO L93 Difference]: Finished difference Result 293 states and 434 transitions. [2024-11-28 02:46:17,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:46:17,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-28 02:46:17,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:17,095 INFO L225 Difference]: With dead ends: 293 [2024-11-28 02:46:17,095 INFO L226 Difference]: Without dead ends: 149 [2024-11-28 02:46:17,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:46:17,097 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 0 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:17,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 628 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:46:17,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-28 02:46:17,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-28 02:46:17,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 131 states have (on average 1.4274809160305344) internal successors, (187), 131 states have internal predecessors, (187), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:46:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 219 transitions. [2024-11-28 02:46:17,112 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 219 transitions. Word has length 133 [2024-11-28 02:46:17,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:17,112 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 219 transitions. [2024-11-28 02:46:17,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:17,113 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 219 transitions. [2024-11-28 02:46:17,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:46:17,115 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:17,115 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:17,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:46:17,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-28 02:46:17,316 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:17,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:17,317 INFO L85 PathProgramCache]: Analyzing trace with hash 565461865, now seen corresponding path program 1 times [2024-11-28 02:46:17,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:17,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747260701] [2024-11-28 02:46:17,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:17,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:17,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:17,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747260701] [2024-11-28 02:46:17,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747260701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:17,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:17,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:46:17,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483964349] [2024-11-28 02:46:17,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:17,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:17,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:17,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:17,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:17,550 INFO L87 Difference]: Start difference. First operand 149 states and 219 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:17,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:17,599 INFO L93 Difference]: Finished difference Result 372 states and 550 transitions. [2024-11-28 02:46:17,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:17,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-28 02:46:17,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:17,603 INFO L225 Difference]: With dead ends: 372 [2024-11-28 02:46:17,603 INFO L226 Difference]: Without dead ends: 226 [2024-11-28 02:46:17,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:17,606 INFO L435 NwaCegarLoop]: 216 mSDtfsCounter, 114 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:17,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 412 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:46:17,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-28 02:46:17,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 181. [2024-11-28 02:46:17,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 163 states have (on average 1.4478527607361964) internal successors, (236), 163 states have internal predecessors, (236), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:46:17,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 268 transitions. [2024-11-28 02:46:17,625 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 268 transitions. Word has length 135 [2024-11-28 02:46:17,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:17,626 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 268 transitions. [2024-11-28 02:46:17,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:17,627 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2024-11-28 02:46:17,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:46:17,630 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:17,630 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:17,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:46:17,630 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:17,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:17,631 INFO L85 PathProgramCache]: Analyzing trace with hash -612419662, now seen corresponding path program 1 times [2024-11-28 02:46:17,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:17,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123392985] [2024-11-28 02:46:17,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:17,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:18,453 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:18,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:18,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123392985] [2024-11-28 02:46:18,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123392985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:18,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:18,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:46:18,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317239719] [2024-11-28 02:46:18,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:18,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:46:18,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:18,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:46:18,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:46:18,457 INFO L87 Difference]: Start difference. First operand 181 states and 268 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:18,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:18,594 INFO L93 Difference]: Finished difference Result 471 states and 696 transitions. [2024-11-28 02:46:18,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:46:18,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-28 02:46:18,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:18,598 INFO L225 Difference]: With dead ends: 471 [2024-11-28 02:46:18,598 INFO L226 Difference]: Without dead ends: 293 [2024-11-28 02:46:18,598 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 [2024-11-28 02:46:18,600 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 118 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 1088 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 [2024-11-28 02:46:18,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 1088 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:46:18,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-28 02:46:18,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 290. [2024-11-28 02:46:18,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 267 states have (on average 1.453183520599251) internal successors, (388), 268 states have internal predecessors, (388), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:46:18,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 428 transitions. [2024-11-28 02:46:18,638 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 428 transitions. Word has length 135 [2024-11-28 02:46:18,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:18,638 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 428 transitions. [2024-11-28 02:46:18,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:18,639 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 428 transitions. [2024-11-28 02:46:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:46:18,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:18,644 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:18,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:46:18,644 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:18,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:18,644 INFO L85 PathProgramCache]: Analyzing trace with hash -262788130, now seen corresponding path program 1 times [2024-11-28 02:46:18,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:18,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079947728] [2024-11-28 02:46:18,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:18,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:46:18,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:18,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079947728] [2024-11-28 02:46:18,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079947728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:46:18,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198124824] [2024-11-28 02:46:18,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:18,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:46:18,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:18,977 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:46:18,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:46:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:19,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:46:19,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:19,397 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:19,397 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:46:19,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198124824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:19,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:46:19,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-11-28 02:46:19,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900173270] [2024-11-28 02:46:19,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:19,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:46:19,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:19,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:46:19,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:46:19,399 INFO L87 Difference]: Start difference. First operand 290 states and 428 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:19,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:19,443 INFO L93 Difference]: Finished difference Result 583 states and 861 transitions. [2024-11-28 02:46:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:46:19,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-28 02:46:19,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:19,447 INFO L225 Difference]: With dead ends: 583 [2024-11-28 02:46:19,447 INFO L226 Difference]: Without dead ends: 296 [2024-11-28 02:46:19,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:46:19,449 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 0 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:19,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 833 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:46:19,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-28 02:46:19,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 292. [2024-11-28 02:46:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 269 states have (on average 1.449814126394052) internal successors, (390), 270 states have internal predecessors, (390), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:46:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 430 transitions. [2024-11-28 02:46:19,465 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 430 transitions. Word has length 136 [2024-11-28 02:46:19,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:19,466 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 430 transitions. [2024-11-28 02:46:19,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:19,466 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 430 transitions. [2024-11-28 02:46:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:46:19,468 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:19,468 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:19,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:46:19,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:46:19,675 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:19,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:19,676 INFO L85 PathProgramCache]: Analyzing trace with hash 130892061, now seen corresponding path program 1 times [2024-11-28 02:46:19,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:19,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679865456] [2024-11-28 02:46:19,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:19,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:20,027 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:46:20,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:20,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679865456] [2024-11-28 02:46:20,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679865456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:46:20,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615578549] [2024-11-28 02:46:20,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:20,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:46:20,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:20,031 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:46:20,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:46:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:20,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:46:20,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:20,412 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:20,413 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:46:20,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615578549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:20,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:46:20,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-28 02:46:20,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691046507] [2024-11-28 02:46:20,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:20,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:46:20,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:20,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:46:20,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:46:20,415 INFO L87 Difference]: Start difference. First operand 292 states and 430 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:20,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:20,460 INFO L93 Difference]: Finished difference Result 587 states and 865 transitions. [2024-11-28 02:46:20,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:46:20,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 02:46:20,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:20,463 INFO L225 Difference]: With dead ends: 587 [2024-11-28 02:46:20,463 INFO L226 Difference]: Without dead ends: 298 [2024-11-28 02:46:20,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:46:20,464 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 0 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:20,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 832 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:46:20,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-28 02:46:20,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2024-11-28 02:46:20,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 275 states have (on average 1.44) internal successors, (396), 276 states have internal predecessors, (396), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:46:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 436 transitions. [2024-11-28 02:46:20,481 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 436 transitions. Word has length 137 [2024-11-28 02:46:20,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:20,482 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 436 transitions. [2024-11-28 02:46:20,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:20,482 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 436 transitions. [2024-11-28 02:46:20,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:46:20,484 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:20,484 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:20,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 02:46:20,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:46:20,685 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:20,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:20,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1320109804, now seen corresponding path program 1 times [2024-11-28 02:46:20,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:20,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539545668] [2024-11-28 02:46:20,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:20,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:21,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:21,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539545668] [2024-11-28 02:46:21,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539545668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:21,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:21,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:46:21,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265864035] [2024-11-28 02:46:21,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:21,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:46:21,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:21,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:46:21,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:46:21,154 INFO L87 Difference]: Start difference. First operand 298 states and 436 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:21,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:21,365 INFO L93 Difference]: Finished difference Result 662 states and 970 transitions. [2024-11-28 02:46:21,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:46:21,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 02:46:21,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:21,369 INFO L225 Difference]: With dead ends: 662 [2024-11-28 02:46:21,370 INFO L226 Difference]: Without dead ends: 367 [2024-11-28 02:46:21,370 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 [2024-11-28 02:46:21,371 INFO L435 NwaCegarLoop]: 315 mSDtfsCounter, 196 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:21,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 1104 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:46:21,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-28 02:46:21,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 359. [2024-11-28 02:46:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 323 states have (on average 1.4210526315789473) internal successors, (459), 323 states have internal predecessors, (459), 32 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 02:46:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 523 transitions. [2024-11-28 02:46:21,400 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 523 transitions. Word has length 137 [2024-11-28 02:46:21,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:21,401 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 523 transitions. [2024-11-28 02:46:21,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:21,401 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 523 transitions. [2024-11-28 02:46:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:46:21,404 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:21,404 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:21,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:46:21,405 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:21,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:21,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1604988632, now seen corresponding path program 1 times [2024-11-28 02:46:21,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:21,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635304016] [2024-11-28 02:46:21,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:21,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:21,813 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:21,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:21,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635304016] [2024-11-28 02:46:21,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635304016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:21,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:21,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:46:21,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845459972] [2024-11-28 02:46:21,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:21,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:46:21,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:21,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:46:21,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:46:21,816 INFO L87 Difference]: Start difference. First operand 359 states and 523 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:22,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:22,040 INFO L93 Difference]: Finished difference Result 727 states and 1060 transitions. [2024-11-28 02:46:22,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:46:22,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 02:46:22,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:22,046 INFO L225 Difference]: With dead ends: 727 [2024-11-28 02:46:22,046 INFO L226 Difference]: Without dead ends: 371 [2024-11-28 02:46:22,047 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 [2024-11-28 02:46:22,048 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 202 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:22,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 1042 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:46:22,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-28 02:46:22,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 363. [2024-11-28 02:46:22,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 327 states have (on average 1.4128440366972477) internal successors, (462), 327 states have internal predecessors, (462), 32 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 02:46:22,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 526 transitions. [2024-11-28 02:46:22,072 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 526 transitions. Word has length 137 [2024-11-28 02:46:22,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:22,072 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 526 transitions. [2024-11-28 02:46:22,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:22,073 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 526 transitions. [2024-11-28 02:46:22,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:46:22,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:22,074 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:22,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:46:22,075 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:22,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:22,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1945701522, now seen corresponding path program 1 times [2024-11-28 02:46:22,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:22,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268307994] [2024-11-28 02:46:22,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:22,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:23,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:23,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268307994] [2024-11-28 02:46:23,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268307994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:23,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:23,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 02:46:23,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782200974] [2024-11-28 02:46:23,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:23,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:46:23,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:23,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:46:23,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:46:23,094 INFO L87 Difference]: Start difference. First operand 363 states and 526 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:23,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:23,478 INFO L93 Difference]: Finished difference Result 842 states and 1218 transitions. [2024-11-28 02:46:23,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:46:23,479 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 139 [2024-11-28 02:46:23,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:23,482 INFO L225 Difference]: With dead ends: 842 [2024-11-28 02:46:23,482 INFO L226 Difference]: Without dead ends: 482 [2024-11-28 02:46:23,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:46:23,484 INFO L435 NwaCegarLoop]: 312 mSDtfsCounter, 120 mSDsluCounter, 2267 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 2579 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:23,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 2579 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:46:23,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-28 02:46:23,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 479. [2024-11-28 02:46:23,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 438 states have (on average 1.4155251141552512) internal successors, (620), 439 states have internal predecessors, (620), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-28 02:46:23,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 692 transitions. [2024-11-28 02:46:23,518 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 692 transitions. Word has length 139 [2024-11-28 02:46:23,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:23,519 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 692 transitions. [2024-11-28 02:46:23,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:23,519 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 692 transitions. [2024-11-28 02:46:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:46:23,523 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:23,524 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:23,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:46:23,524 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:23,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:23,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1648201196, now seen corresponding path program 1 times [2024-11-28 02:46:23,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:23,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902475866] [2024-11-28 02:46:23,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:23,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:23,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:23,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902475866] [2024-11-28 02:46:23,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902475866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:23,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:23,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:46:23,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371233641] [2024-11-28 02:46:23,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:23,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:46:23,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:23,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:46:23,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:46:23,730 INFO L87 Difference]: Start difference. First operand 479 states and 692 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:23,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:23,869 INFO L93 Difference]: Finished difference Result 977 states and 1409 transitions. [2024-11-28 02:46:23,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:46:23,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 139 [2024-11-28 02:46:23,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:23,875 INFO L225 Difference]: With dead ends: 977 [2024-11-28 02:46:23,875 INFO L226 Difference]: Without dead ends: 501 [2024-11-28 02:46:23,876 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 [2024-11-28 02:46:23,878 INFO L435 NwaCegarLoop]: 309 mSDtfsCounter, 127 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:23,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 1096 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:46:23,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-11-28 02:46:23,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 498. [2024-11-28 02:46:23,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 448 states have (on average 1.4040178571428572) internal successors, (629), 450 states have internal predecessors, (629), 44 states have call successors, (44), 5 states have call predecessors, (44), 5 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-28 02:46:23,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 717 transitions. [2024-11-28 02:46:23,918 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 717 transitions. Word has length 139 [2024-11-28 02:46:23,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:23,920 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 717 transitions. [2024-11-28 02:46:23,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:23,920 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 717 transitions. [2024-11-28 02:46:23,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:46:23,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:23,922 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:23,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:46:23,922 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:23,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:23,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1128053072, now seen corresponding path program 1 times [2024-11-28 02:46:23,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:23,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744679056] [2024-11-28 02:46:23,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:23,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:24,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:24,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744679056] [2024-11-28 02:46:24,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744679056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:24,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:24,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:46:24,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028749489] [2024-11-28 02:46:24,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:24,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:46:24,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:24,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:46:24,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:46:24,158 INFO L87 Difference]: Start difference. First operand 498 states and 717 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:24,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:24,297 INFO L93 Difference]: Finished difference Result 991 states and 1423 transitions. [2024-11-28 02:46:24,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:46:24,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 139 [2024-11-28 02:46:24,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:24,301 INFO L225 Difference]: With dead ends: 991 [2024-11-28 02:46:24,301 INFO L226 Difference]: Without dead ends: 505 [2024-11-28 02:46:24,304 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 [2024-11-28 02:46:24,305 INFO L435 NwaCegarLoop]: 333 mSDtfsCounter, 125 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:24,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1168 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:46:24,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-28 02:46:24,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 481. [2024-11-28 02:46:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 439 states have (on average 1.4100227790432802) internal successors, (619), 440 states have internal predecessors, (619), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-28 02:46:24,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 691 transitions. [2024-11-28 02:46:24,335 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 691 transitions. Word has length 139 [2024-11-28 02:46:24,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:24,335 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 691 transitions. [2024-11-28 02:46:24,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:24,336 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 691 transitions. [2024-11-28 02:46:24,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:46:24,338 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:24,338 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:24,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:46:24,338 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:24,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:24,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1829117650, now seen corresponding path program 1 times [2024-11-28 02:46:24,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:24,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701005516] [2024-11-28 02:46:24,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:24,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:25,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:25,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701005516] [2024-11-28 02:46:25,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701005516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:25,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:25,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 02:46:25,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023019904] [2024-11-28 02:46:25,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:25,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:46:25,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:25,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:46:25,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:46:25,089 INFO L87 Difference]: Start difference. First operand 481 states and 691 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:25,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:25,470 INFO L93 Difference]: Finished difference Result 977 states and 1400 transitions. [2024-11-28 02:46:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:46:25,471 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 139 [2024-11-28 02:46:25,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:25,474 INFO L225 Difference]: With dead ends: 977 [2024-11-28 02:46:25,475 INFO L226 Difference]: Without dead ends: 499 [2024-11-28 02:46:25,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:46:25,477 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 116 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 2649 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:25,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 2649 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:46:25,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-28 02:46:25,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 441. [2024-11-28 02:46:25,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 399 states have (on average 1.406015037593985) internal successors, (561), 400 states have internal predecessors, (561), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-28 02:46:25,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 633 transitions. [2024-11-28 02:46:25,512 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 633 transitions. Word has length 139 [2024-11-28 02:46:25,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:25,514 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 633 transitions. [2024-11-28 02:46:25,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:25,514 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 633 transitions. [2024-11-28 02:46:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:46:25,516 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:25,516 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:25,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:46:25,516 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:25,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:25,517 INFO L85 PathProgramCache]: Analyzing trace with hash 196071605, now seen corresponding path program 1 times [2024-11-28 02:46:25,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:25,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249122130] [2024-11-28 02:46:25,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:25,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:25,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:25,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249122130] [2024-11-28 02:46:25,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249122130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:25,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:25,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:46:25,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611844833] [2024-11-28 02:46:25,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:25,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:25,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:25,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:25,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:25,636 INFO L87 Difference]: Start difference. First operand 441 states and 633 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:25,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:25,686 INFO L93 Difference]: Finished difference Result 941 states and 1344 transitions. [2024-11-28 02:46:25,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:25,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 139 [2024-11-28 02:46:25,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:25,690 INFO L225 Difference]: With dead ends: 941 [2024-11-28 02:46:25,690 INFO L226 Difference]: Without dead ends: 512 [2024-11-28 02:46:25,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:25,693 INFO L435 NwaCegarLoop]: 312 mSDtfsCounter, 103 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:25,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 507 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:46:25,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-28 02:46:25,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 418. [2024-11-28 02:46:25,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 376 states have (on average 1.3829787234042554) internal successors, (520), 377 states have internal predecessors, (520), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-28 02:46:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 592 transitions. [2024-11-28 02:46:25,727 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 592 transitions. Word has length 139 [2024-11-28 02:46:25,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:25,727 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 592 transitions. [2024-11-28 02:46:25,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 592 transitions. [2024-11-28 02:46:25,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:46:25,729 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:25,730 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:25,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:46:25,731 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:25,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:25,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1925589886, now seen corresponding path program 1 times [2024-11-28 02:46:25,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:25,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226194718] [2024-11-28 02:46:25,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:25,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:26,956 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:26,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:26,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226194718] [2024-11-28 02:46:26,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226194718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:26,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:26,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:46:26,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912868793] [2024-11-28 02:46:26,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:26,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:46:26,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:26,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:46:26,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:46:26,958 INFO L87 Difference]: Start difference. First operand 418 states and 592 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:27,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:27,427 INFO L93 Difference]: Finished difference Result 1104 states and 1559 transitions. [2024-11-28 02:46:27,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:46:27,428 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 140 [2024-11-28 02:46:27,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:27,431 INFO L225 Difference]: With dead ends: 1104 [2024-11-28 02:46:27,431 INFO L226 Difference]: Without dead ends: 698 [2024-11-28 02:46:27,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:46:27,434 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 217 mSDsluCounter, 1482 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 1692 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:27,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 1692 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:46:27,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-28 02:46:27,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 686. [2024-11-28 02:46:27,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 637 states have (on average 1.3987441130298273) internal successors, (891), 640 states have internal predecessors, (891), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:46:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 971 transitions. [2024-11-28 02:46:27,478 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 971 transitions. Word has length 140 [2024-11-28 02:46:27,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:27,478 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 971 transitions. [2024-11-28 02:46:27,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:27,478 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 971 transitions. [2024-11-28 02:46:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:46:27,481 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:27,481 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:27,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:46:27,481 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:27,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:27,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1534724056, now seen corresponding path program 1 times [2024-11-28 02:46:27,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:27,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932302451] [2024-11-28 02:46:27,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:27,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:27,786 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:27,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:27,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932302451] [2024-11-28 02:46:27,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932302451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:27,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:27,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:46:27,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248897256] [2024-11-28 02:46:27,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:27,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:46:27,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:27,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:46:27,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:46:27,788 INFO L87 Difference]: Start difference. First operand 686 states and 971 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:27,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:27,959 INFO L93 Difference]: Finished difference Result 1620 states and 2300 transitions. [2024-11-28 02:46:27,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:46:27,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 140 [2024-11-28 02:46:27,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:27,965 INFO L225 Difference]: With dead ends: 1620 [2024-11-28 02:46:27,965 INFO L226 Difference]: Without dead ends: 950 [2024-11-28 02:46:27,967 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 [2024-11-28 02:46:27,968 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 113 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:27,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 831 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:46:27,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-11-28 02:46:28,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 856. [2024-11-28 02:46:28,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 807 states have (on average 1.4039653035935564) internal successors, (1133), 810 states have internal predecessors, (1133), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:46:28,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1213 transitions. [2024-11-28 02:46:28,030 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1213 transitions. Word has length 140 [2024-11-28 02:46:28,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:28,031 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1213 transitions. [2024-11-28 02:46:28,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1213 transitions. [2024-11-28 02:46:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:46:28,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:28,035 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:28,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 02:46:28,035 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:28,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:28,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1464841491, now seen corresponding path program 1 times [2024-11-28 02:46:28,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:28,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314818976] [2024-11-28 02:46:28,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:28,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:28,766 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:46:28,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:28,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314818976] [2024-11-28 02:46:28,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314818976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:46:28,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686939660] [2024-11-28 02:46:28,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:28,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:46:28,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:28,769 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:46:28,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 02:46:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:29,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 02:46:29,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:29,509 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 [2024-11-28 02:46:30,846 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2024-11-28 02:46:30,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 61 [2024-11-28 02:46:30,852 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 48 treesize of output 36 [2024-11-28 02:46:30,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-28 02:46:30,910 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-28 02:46:30,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 18 [2024-11-28 02:46:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 12 proven. 192 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-28 02:46:31,128 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:46:31,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2024-11-28 02:46:32,038 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:46:32,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686939660] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:46:32,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:46:32,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 29 [2024-11-28 02:46:32,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703426442] [2024-11-28 02:46:32,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:46:32,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-28 02:46:32,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:32,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-28 02:46:32,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=685, Unknown=0, NotChecked=0, Total=812 [2024-11-28 02:46:32,044 INFO L87 Difference]: Start difference. First operand 856 states and 1213 transitions. Second operand has 29 states, 26 states have (on average 6.615384615384615) internal successors, (172), 28 states have internal predecessors, (172), 11 states have call successors, (48), 4 states have call predecessors, (48), 6 states have return successors, (48), 8 states have call predecessors, (48), 11 states have call successors, (48) [2024-11-28 02:46:34,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:34,360 INFO L93 Difference]: Finished difference Result 2162 states and 3038 transitions. [2024-11-28 02:46:34,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-28 02:46:34,361 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 6.615384615384615) internal successors, (172), 28 states have internal predecessors, (172), 11 states have call successors, (48), 4 states have call predecessors, (48), 6 states have return successors, (48), 8 states have call predecessors, (48), 11 states have call successors, (48) Word has length 142 [2024-11-28 02:46:34,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:34,368 INFO L225 Difference]: With dead ends: 2162 [2024-11-28 02:46:34,369 INFO L226 Difference]: Without dead ends: 1322 [2024-11-28 02:46:34,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=793, Invalid=2989, Unknown=0, NotChecked=0, Total=3782 [2024-11-28 02:46:34,372 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 1843 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1844 SdHoareTripleChecker+Valid, 2640 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:34,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1844 Valid, 2640 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 02:46:34,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states. [2024-11-28 02:46:34,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 950. [2024-11-28 02:46:34,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 890 states have (on average 1.3943820224719101) internal successors, (1241), 890 states have internal predecessors, (1241), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-28 02:46:34,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1337 transitions. [2024-11-28 02:46:34,438 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1337 transitions. Word has length 142 [2024-11-28 02:46:34,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:34,439 INFO L471 AbstractCegarLoop]: Abstraction has 950 states and 1337 transitions. [2024-11-28 02:46:34,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 6.615384615384615) internal successors, (172), 28 states have internal predecessors, (172), 11 states have call successors, (48), 4 states have call predecessors, (48), 6 states have return successors, (48), 8 states have call predecessors, (48), 11 states have call successors, (48) [2024-11-28 02:46:34,439 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1337 transitions. [2024-11-28 02:46:34,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:46:34,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:34,441 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:34,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:46:34,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 02:46:34,642 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:34,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:34,643 INFO L85 PathProgramCache]: Analyzing trace with hash -197797436, now seen corresponding path program 1 times [2024-11-28 02:46:34,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:34,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246265250] [2024-11-28 02:46:34,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:34,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:34,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:34,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246265250] [2024-11-28 02:46:34,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246265250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:34,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:34,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:46:34,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922950359] [2024-11-28 02:46:34,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:34,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:46:34,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:34,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:46:34,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:46:34,891 INFO L87 Difference]: Start difference. First operand 950 states and 1337 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:35,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:35,133 INFO L93 Difference]: Finished difference Result 1811 states and 2537 transitions. [2024-11-28 02:46:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:46:35,133 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 142 [2024-11-28 02:46:35,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:35,140 INFO L225 Difference]: With dead ends: 1811 [2024-11-28 02:46:35,141 INFO L226 Difference]: Without dead ends: 1106 [2024-11-28 02:46:35,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:46:35,143 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 162 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:35,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1256 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:46:35,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2024-11-28 02:46:35,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1012. [2024-11-28 02:46:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 941 states have (on average 1.3889479277364505) internal successors, (1307), 942 states have internal predecessors, (1307), 56 states have call successors, (56), 14 states have call predecessors, (56), 14 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 02:46:35,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1419 transitions. [2024-11-28 02:46:35,209 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1419 transitions. Word has length 142 [2024-11-28 02:46:35,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:35,210 INFO L471 AbstractCegarLoop]: Abstraction has 1012 states and 1419 transitions. [2024-11-28 02:46:35,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:35,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1419 transitions. [2024-11-28 02:46:35,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:46:35,212 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:35,212 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:35,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:46:35,212 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:35,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:35,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1380781314, now seen corresponding path program 1 times [2024-11-28 02:46:35,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:35,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535643888] [2024-11-28 02:46:35,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:35,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:35,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:35,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535643888] [2024-11-28 02:46:35,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535643888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:35,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:35,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:46:35,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059742134] [2024-11-28 02:46:35,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:35,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:46:35,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:35,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:46:35,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:46:35,480 INFO L87 Difference]: Start difference. First operand 1012 states and 1419 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:35,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:35,644 INFO L93 Difference]: Finished difference Result 2106 states and 2944 transitions. [2024-11-28 02:46:35,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:46:35,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 143 [2024-11-28 02:46:35,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:35,649 INFO L225 Difference]: With dead ends: 2106 [2024-11-28 02:46:35,649 INFO L226 Difference]: Without dead ends: 1097 [2024-11-28 02:46:35,651 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 [2024-11-28 02:46:35,652 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 100 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:35,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 769 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:46:35,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2024-11-28 02:46:35,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1003. [2024-11-28 02:46:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 932 states have (on average 1.3841201716738198) internal successors, (1290), 933 states have internal predecessors, (1290), 56 states have call successors, (56), 14 states have call predecessors, (56), 14 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 02:46:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1402 transitions. [2024-11-28 02:46:35,772 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1402 transitions. Word has length 143 [2024-11-28 02:46:35,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:35,772 INFO L471 AbstractCegarLoop]: Abstraction has 1003 states and 1402 transitions. [2024-11-28 02:46:35,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:35,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1402 transitions. [2024-11-28 02:46:35,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:46:35,774 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:35,774 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:35,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 02:46:35,775 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:35,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:35,779 INFO L85 PathProgramCache]: Analyzing trace with hash -2079532628, now seen corresponding path program 1 times [2024-11-28 02:46:35,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:35,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831944841] [2024-11-28 02:46:35,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:35,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:46:35,892 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:46:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:46:36,121 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:46:36,121 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:46:36,122 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:46:36,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 02:46:36,128 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] [2024-11-28 02:46:36,396 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:46:36,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:46:36 BoogieIcfgContainer [2024-11-28 02:46:36,403 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:46:36,404 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:46:36,404 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:46:36,404 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:46:36,405 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:14" (3/4) ... [2024-11-28 02:46:36,407 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:46:36,408 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:46:36,409 INFO L158 Benchmark]: Toolchain (without parser) took 24133.97ms. Allocated memory was 142.6MB in the beginning and 587.2MB in the end (delta: 444.6MB). Free memory was 119.1MB in the beginning and 330.3MB in the end (delta: -211.1MB). Peak memory consumption was 231.4MB. Max. memory is 16.1GB. [2024-11-28 02:46:36,410 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:46:36,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.06ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 104.1MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:46:36,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.37ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 100.7MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:46:36,413 INFO L158 Benchmark]: Boogie Preprocessor took 136.91ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 95.5MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:46:36,413 INFO L158 Benchmark]: RCFGBuilder took 1192.73ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 101.0MB in the end (delta: -5.8MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-28 02:46:36,413 INFO L158 Benchmark]: TraceAbstraction took 22271.39ms. Allocated memory was 142.6MB in the beginning and 587.2MB in the end (delta: 444.6MB). Free memory was 100.4MB in the beginning and 330.4MB in the end (delta: -229.9MB). Peak memory consumption was 215.7MB. Max. memory is 16.1GB. [2024-11-28 02:46:36,414 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 587.2MB. Free memory was 330.4MB in the beginning and 330.3MB in the end (delta: 78.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:46:36,415 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.06ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 104.1MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.37ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 100.7MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 136.91ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 95.5MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1192.73ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 101.0MB in the end (delta: -5.8MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * TraceAbstraction took 22271.39ms. Allocated memory was 142.6MB in the beginning and 587.2MB in the end (delta: 444.6MB). Free memory was 100.4MB in the beginning and 330.4MB in the end (delta: -229.9MB). Peak memory consumption was 215.7MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 587.2MB. Free memory was 330.4MB in the beginning and 330.3MB in the end (delta: 78.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_4 = 0; [L24] unsigned char var_1_4 = 0; [L25] unsigned char* var_1_4_Pointer = &(var_1_4); [L26] unsigned char var_1_5 = 0; [L26] unsigned char var_1_5 = 0; [L27] unsigned char* var_1_5_Pointer = &(var_1_5); [L28] signed long int var_1_6 = -64; [L28] signed long int var_1_6 = -64; [L29] signed long int* var_1_6_Pointer = &(var_1_6); [L30] signed long int var_1_7 = -5; [L30] signed long int var_1_7 = -5; [L31] signed long int* var_1_7_Pointer = &(var_1_7); [L32] signed long int var_1_8 = 500; [L32] signed long int var_1_8 = 500; [L33] signed long int* var_1_8_Pointer = &(var_1_8); [L34] signed long int var_1_9 = -5; [L34] signed long int var_1_9 = -5; [L35] signed long int* var_1_9_Pointer = &(var_1_9); [L36] signed long int var_1_10 = -100; [L36] signed long int var_1_10 = -100; [L37] signed long int* var_1_10_Pointer = &(var_1_10); [L38] unsigned char var_1_11 = 1; [L38] unsigned char var_1_11 = 1; [L39] unsigned char* var_1_11_Pointer = &(var_1_11); [L40] double var_1_12 = 127.5; [L40] double var_1_12 = 127.5; [L41] double* var_1_12_Pointer = &(var_1_12); [L42] double var_1_13 = 15.75; [L42] double var_1_13 = 15.75; [L43] double* var_1_13_Pointer = &(var_1_13); [L44] double var_1_14 = -0.5; [L44] double var_1_14 = -0.5; [L45] double* var_1_14_Pointer = &(var_1_14); [L46] double var_1_15 = 5.25; [L46] double var_1_15 = 5.25; [L47] double* var_1_15_Pointer = &(var_1_15); [L48] double var_1_16 = 8.5; [L48] double var_1_16 = 8.5; [L49] double* var_1_16_Pointer = &(var_1_16); [L50] unsigned char last_1_var_1_11 = 1; VAL [isInitial=0, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L116] isInitial = 1 [L117] FCALL initially() [L119] CALL updateLastVariables() [L109] EXPR \read(var_1_11) [L109] last_1_var_1_11 = var_1_11 [L119] RET updateLastVariables() [L120] CALL updateVariables() [L81] var_1_4 = __VERIFIER_nondet_uchar() [L82] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] var_1_5 = __VERIFIER_nondet_uchar() [L85] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] var_1_7 = __VERIFIER_nondet_long() [L88] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] CALL assume_abort_if_not(var_1_7 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] RET assume_abort_if_not(var_1_7 >= -1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] var_1_8 = __VERIFIER_nondet_long() [L91] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] CALL assume_abort_if_not(var_1_8 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] RET assume_abort_if_not(var_1_8 >= -1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] CALL assume_abort_if_not(var_1_8 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] RET assume_abort_if_not(var_1_8 <= 1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] var_1_9 = __VERIFIER_nondet_long() [L94] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] CALL assume_abort_if_not(var_1_9 >= -536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] RET assume_abort_if_not(var_1_9 >= -536870912) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] CALL assume_abort_if_not(var_1_9 <= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] RET assume_abort_if_not(var_1_9 <= 536870912) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] var_1_10 = __VERIFIER_nondet_long() [L97] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] CALL assume_abort_if_not(var_1_10 >= -536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] RET assume_abort_if_not(var_1_10 >= -536870911) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] CALL assume_abort_if_not(var_1_10 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] RET assume_abort_if_not(var_1_10 <= 536870911) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] var_1_13 = __VERIFIER_nondet_double() [L100] EXPR \read(var_1_13) [L100] EXPR var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] EXPR var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F [L100] EXPR \read(var_1_13) [L100] EXPR var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] EXPR (var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] EXPR (var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L101] var_1_14 = __VERIFIER_nondet_double() [L102] EXPR \read(var_1_14) [L102] EXPR var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] EXPR var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F [L102] EXPR \read(var_1_14) [L102] EXPR var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] EXPR (var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] EXPR (var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L103] var_1_15 = __VERIFIER_nondet_double() [L104] EXPR \read(var_1_15) [L104] EXPR var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] EXPR var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F [L104] EXPR \read(var_1_15) [L104] EXPR var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] EXPR (var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] EXPR (var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L105] var_1_16 = __VERIFIER_nondet_double() [L106] EXPR \read(var_1_16) [L106] EXPR var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F [L106] EXPR \read(var_1_16) [L106] EXPR var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L120] RET updateVariables() [L121] CALL step() [L54] unsigned char stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L55] COND FALSE !(! last_1_var_1_11) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L60] EXPR \read(*var_1_7_Pointer) [L60] signed long int stepLocal_2 = (*(var_1_7_Pointer)); [L61] EXPR \read(*var_1_10_Pointer) [L61] signed long int stepLocal_1 = (*(var_1_10_Pointer)); [L62] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L62] COND FALSE !((*(var_1_8_Pointer)) <= stepLocal_2) [L69] EXPR \read(*var_1_11_Pointer) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L69] COND FALSE !(! (*(var_1_11_Pointer))) [L72] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L72] EXPR (((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))) [L72] EXPR \read(*var_1_9_Pointer) [L72] EXPR (((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))) VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, stepLocal_1=-536870911, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L72] EXPR \read(*var_1_10_Pointer) [L72] EXPR \read(*var_1_7_Pointer) [L72] (*(var_1_6_Pointer)) = (((((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))))) + (*(var_1_10_Pointer))) + (*(var_1_7_Pointer))) [L74] EXPR \read(*var_1_4_Pointer) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L74] COND FALSE !((*(var_1_4_Pointer))) [L77] EXPR \read(*var_1_15_Pointer) [L77] (*(var_1_12_Pointer)) = (*(var_1_15_Pointer)) [L121] RET step() [L122] CALL, EXPR property() [L112] EXPR (! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_5_Pointer))))) : 1) : 1 [L112] EXPR (! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_5_Pointer))))) : 1) : 1 VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] EXPR ((! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_5_Pointer))))) : 1) : 1) && ((! (*(var_1_11_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))))) + (*(var_1_10_Pointer))) + (*(var_1_7_Pointer)))))) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] EXPR ((! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_5_Pointer))))) : 1) : 1) && ((! (*(var_1_11_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))))) + (*(var_1_10_Pointer))) + (*(var_1_7_Pointer)))))) [L112] EXPR \read(*var_1_11_Pointer) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] EXPR (! (*(var_1_11_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))))) + (*(var_1_10_Pointer))) + (*(var_1_7_Pointer))))) [L112] EXPR \read(*var_1_6_Pointer) [L112] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] EXPR (((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))) [L112] EXPR \read(*var_1_9_Pointer) [L112] EXPR (((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] EXPR \read(*var_1_10_Pointer) [L112] EXPR \read(*var_1_7_Pointer) [L112] EXPR (! (*(var_1_11_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))))) + (*(var_1_10_Pointer))) + (*(var_1_7_Pointer))))) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] EXPR ((! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_5_Pointer))))) : 1) : 1) && ((! (*(var_1_11_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))))) + (*(var_1_10_Pointer))) + (*(var_1_7_Pointer)))))) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] EXPR (((! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_5_Pointer))))) : 1) : 1) && ((! (*(var_1_11_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))))) + (*(var_1_10_Pointer))) + (*(var_1_7_Pointer))))))) && (((*(var_1_8_Pointer)) <= (*(var_1_7_Pointer))) ? (((*(var_1_10_Pointer)) >= (*(var_1_9_Pointer))) ? ((*(var_1_11_Pointer)) == ((unsigned char) (! (*(var_1_5_Pointer))))) : ((*(var_1_11_Pointer)) == ((unsigned char) ((*(var_1_1_Pointer)) || (! (*(var_1_5_Pointer))))))) : 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] EXPR (((! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_5_Pointer))))) : 1) : 1) && ((! (*(var_1_11_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))))) + (*(var_1_10_Pointer))) + (*(var_1_7_Pointer))))))) && (((*(var_1_8_Pointer)) <= (*(var_1_7_Pointer))) ? (((*(var_1_10_Pointer)) >= (*(var_1_9_Pointer))) ? ((*(var_1_11_Pointer)) == ((unsigned char) (! (*(var_1_5_Pointer))))) : ((*(var_1_11_Pointer)) == ((unsigned char) ((*(var_1_1_Pointer)) || (! (*(var_1_5_Pointer))))))) : 1) [L112] EXPR \read(*var_1_8_Pointer) [L112] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] EXPR ((*(var_1_8_Pointer)) <= (*(var_1_7_Pointer))) ? (((*(var_1_10_Pointer)) >= (*(var_1_9_Pointer))) ? ((*(var_1_11_Pointer)) == ((unsigned char) (! (*(var_1_5_Pointer))))) : ((*(var_1_11_Pointer)) == ((unsigned char) ((*(var_1_1_Pointer)) || (! (*(var_1_5_Pointer))))))) : 1 [L112] EXPR ((*(var_1_8_Pointer)) <= (*(var_1_7_Pointer))) ? (((*(var_1_10_Pointer)) >= (*(var_1_9_Pointer))) ? ((*(var_1_11_Pointer)) == ((unsigned char) (! (*(var_1_5_Pointer))))) : ((*(var_1_11_Pointer)) == ((unsigned char) ((*(var_1_1_Pointer)) || (! (*(var_1_5_Pointer))))))) : 1 VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] EXPR (((! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_5_Pointer))))) : 1) : 1) && ((! (*(var_1_11_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))))) + (*(var_1_10_Pointer))) + (*(var_1_7_Pointer))))))) && (((*(var_1_8_Pointer)) <= (*(var_1_7_Pointer))) ? (((*(var_1_10_Pointer)) >= (*(var_1_9_Pointer))) ? ((*(var_1_11_Pointer)) == ((unsigned char) (! (*(var_1_5_Pointer))))) : ((*(var_1_11_Pointer)) == ((unsigned char) ((*(var_1_1_Pointer)) || (! (*(var_1_5_Pointer))))))) : 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] EXPR ((((! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_5_Pointer))))) : 1) : 1) && ((! (*(var_1_11_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))))) + (*(var_1_10_Pointer))) + (*(var_1_7_Pointer))))))) && (((*(var_1_8_Pointer)) <= (*(var_1_7_Pointer))) ? (((*(var_1_10_Pointer)) >= (*(var_1_9_Pointer))) ? ((*(var_1_11_Pointer)) == ((unsigned char) (! (*(var_1_5_Pointer))))) : ((*(var_1_11_Pointer)) == ((unsigned char) ((*(var_1_1_Pointer)) || (! (*(var_1_5_Pointer))))))) : 1)) && ((*(var_1_4_Pointer)) ? ((*(var_1_12_Pointer)) == ((double) ((((((((((*(var_1_13_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_13_Pointer))) : ((*(var_1_14_Pointer))))) + (*(var_1_15_Pointer)))) < ((((((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) < 0 ) ? -((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) : ((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))))))) ? (((((((*(var_1_13_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_13_Pointer))) : ((*(var_1_14_Pointer))))) + (*(var_1_15_Pointer)))) : ((((((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) < 0 ) ? -((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) : ((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer)))))))))))) : ((*(var_1_12_Pointer)) == ((double) (*(var_1_15_Pointer))))) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] EXPR ((((! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_5_Pointer))))) : 1) : 1) && ((! (*(var_1_11_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))))) + (*(var_1_10_Pointer))) + (*(var_1_7_Pointer))))))) && (((*(var_1_8_Pointer)) <= (*(var_1_7_Pointer))) ? (((*(var_1_10_Pointer)) >= (*(var_1_9_Pointer))) ? ((*(var_1_11_Pointer)) == ((unsigned char) (! (*(var_1_5_Pointer))))) : ((*(var_1_11_Pointer)) == ((unsigned char) ((*(var_1_1_Pointer)) || (! (*(var_1_5_Pointer))))))) : 1)) && ((*(var_1_4_Pointer)) ? ((*(var_1_12_Pointer)) == ((double) ((((((((((*(var_1_13_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_13_Pointer))) : ((*(var_1_14_Pointer))))) + (*(var_1_15_Pointer)))) < ((((((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) < 0 ) ? -((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) : ((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))))))) ? (((((((*(var_1_13_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_13_Pointer))) : ((*(var_1_14_Pointer))))) + (*(var_1_15_Pointer)))) : ((((((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) < 0 ) ? -((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) : ((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer)))))))))))) : ((*(var_1_12_Pointer)) == ((double) (*(var_1_15_Pointer))))) [L112] EXPR \read(*var_1_4_Pointer) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] EXPR (*(var_1_4_Pointer)) ? ((*(var_1_12_Pointer)) == ((double) ((((((((((*(var_1_13_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_13_Pointer))) : ((*(var_1_14_Pointer))))) + (*(var_1_15_Pointer)))) < ((((((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) < 0 ) ? -((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) : ((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))))))) ? (((((((*(var_1_13_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_13_Pointer))) : ((*(var_1_14_Pointer))))) + (*(var_1_15_Pointer)))) : ((((((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) < 0 ) ? -((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) : ((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer)))))))))))) : ((*(var_1_12_Pointer)) == ((double) (*(var_1_15_Pointer)))) [L112] EXPR \read(*var_1_12_Pointer) [L112] EXPR \read(*var_1_15_Pointer) [L112] EXPR (*(var_1_4_Pointer)) ? ((*(var_1_12_Pointer)) == ((double) ((((((((((*(var_1_13_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_13_Pointer))) : ((*(var_1_14_Pointer))))) + (*(var_1_15_Pointer)))) < ((((((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) < 0 ) ? -((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) : ((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))))))) ? (((((((*(var_1_13_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_13_Pointer))) : ((*(var_1_14_Pointer))))) + (*(var_1_15_Pointer)))) : ((((((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) < 0 ) ? -((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) : ((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer)))))))))))) : ((*(var_1_12_Pointer)) == ((double) (*(var_1_15_Pointer)))) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112] EXPR ((((! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_5_Pointer))))) : 1) : 1) && ((! (*(var_1_11_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))))) + (*(var_1_10_Pointer))) + (*(var_1_7_Pointer))))))) && (((*(var_1_8_Pointer)) <= (*(var_1_7_Pointer))) ? (((*(var_1_10_Pointer)) >= (*(var_1_9_Pointer))) ? ((*(var_1_11_Pointer)) == ((unsigned char) (! (*(var_1_5_Pointer))))) : ((*(var_1_11_Pointer)) == ((unsigned char) ((*(var_1_1_Pointer)) || (! (*(var_1_5_Pointer))))))) : 1)) && ((*(var_1_4_Pointer)) ? ((*(var_1_12_Pointer)) == ((double) ((((((((((*(var_1_13_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_13_Pointer))) : ((*(var_1_14_Pointer))))) + (*(var_1_15_Pointer)))) < ((((((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) < 0 ) ? -((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) : ((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))))))) ? (((((((*(var_1_13_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_13_Pointer))) : ((*(var_1_14_Pointer))))) + (*(var_1_15_Pointer)))) : ((((((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) < 0 ) ? -((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) : ((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer)))))))))))) : ((*(var_1_12_Pointer)) == ((double) (*(var_1_15_Pointer))))) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L112-L113] return ((((! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_5_Pointer))))) : 1) : 1) && ((! (*(var_1_11_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer))))) + (*(var_1_10_Pointer))) + (*(var_1_7_Pointer))))))) && (((*(var_1_8_Pointer)) <= (*(var_1_7_Pointer))) ? (((*(var_1_10_Pointer)) >= (*(var_1_9_Pointer))) ? ((*(var_1_11_Pointer)) == ((unsigned char) (! (*(var_1_5_Pointer))))) : ((*(var_1_11_Pointer)) == ((unsigned char) ((*(var_1_1_Pointer)) || (! (*(var_1_5_Pointer))))))) : 1)) && ((*(var_1_4_Pointer)) ? ((*(var_1_12_Pointer)) == ((double) ((((((((((*(var_1_13_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_13_Pointer))) : ((*(var_1_14_Pointer))))) + (*(var_1_15_Pointer)))) < ((((((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) < 0 ) ? -((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) : ((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))))))) ? (((((((*(var_1_13_Pointer))) > ((*(var_1_14_Pointer)))) ? ((*(var_1_13_Pointer))) : ((*(var_1_14_Pointer))))) + (*(var_1_15_Pointer)))) : ((((((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) < 0 ) ? -((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer))))) : ((((3.5) < ((*(var_1_16_Pointer)))) ? (3.5) : ((*(var_1_16_Pointer)))))))))))) : ((*(var_1_12_Pointer)) == ((double) (*(var_1_15_Pointer))))) ; [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 149 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.9s, OverallIterations: 20, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3657 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3656 mSDsluCounter, 21969 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17152 mSDsCounter, 301 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2077 IncrementalHoareTripleChecker+Invalid, 2378 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 301 mSolverCounterUnsat, 4817 mSDtfsCounter, 2077 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1003 GetRequests, 840 SyntacticMatches, 1 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 991 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1012occurred in iteration=18, InterpolantAutomatonStates: 142, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 19 MinimizatonAttempts, 916 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 3442 NumberOfCodeBlocks, 3442 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 3416 ConstructedInterpolants, 122 QuantifiedInterpolants, 9031 SizeOfPredicates, 15 NumberOfNonLiveVariables, 2910 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 25 InterpolantComputations, 18 PerfectInterpolantSequences, 11571/12000 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:46:36,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce7290e6713376455badf7100d5aceeca845cede6d066d71203baae97fa0e235 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:46:39,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:46:39,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:46:39,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:46:39,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:46:39,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:46:39,269 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:46:39,269 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:46:39,269 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:46:39,270 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:46:39,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:46:39,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:46:39,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:46:39,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:46:39,273 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:46:39,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:46:39,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:46:39,273 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:46:39,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:46:39,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:46:39,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:46:39,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:46:39,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:46:39,274 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:46:39,274 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:46:39,275 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:46:39,275 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:46:39,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:46:39,275 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:46:39,275 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:46:39,275 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:46:39,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:46:39,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:46:39,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:46:39,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:39,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:46:39,277 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:46:39,277 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:46:39,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:46:39,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:39,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:46:39,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:46:39,278 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:46:39,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:46:39,279 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:46:39,279 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:46:39,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:46:39,279 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:46:39,279 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:46:39,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:46:39,280 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_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce7290e6713376455badf7100d5aceeca845cede6d066d71203baae97fa0e235 [2024-11-28 02:46:39,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:46:39,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:46:39,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:46:39,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:46:39,636 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:46:39,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-3.i [2024-11-28 02:46:42,526 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/data/2b252134c/b97f098aa1da49ddbc1da19c3ed37dea/FLAGa86ebbd4f [2024-11-28 02:46:42,791 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:46:42,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-3.i [2024-11-28 02:46:42,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/data/2b252134c/b97f098aa1da49ddbc1da19c3ed37dea/FLAGa86ebbd4f [2024-11-28 02:46:42,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/data/2b252134c/b97f098aa1da49ddbc1da19c3ed37dea [2024-11-28 02:46:42,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:46:42,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:46:42,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:42,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:46:42,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:46:42,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:42" (1/1) ... [2024-11-28 02:46:42,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774b41a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:42, skipping insertion in model container [2024-11-28 02:46:42,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:42" (1/1) ... [2024-11-28 02:46:42,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:46:43,039 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_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-3.i[915,928] [2024-11-28 02:46:43,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:43,158 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:46:43,168 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_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-3.i[915,928] [2024-11-28 02:46:43,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:43,226 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:46:43,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43 WrapperNode [2024-11-28 02:46:43,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:43,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:43,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:46:43,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:46:43,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43" (1/1) ... [2024-11-28 02:46:43,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43" (1/1) ... [2024-11-28 02:46:43,326 INFO L138 Inliner]: procedures = 33, calls = 192, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 660 [2024-11-28 02:46:43,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:43,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:46:43,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:46:43,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:46:43,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43" (1/1) ... [2024-11-28 02:46:43,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43" (1/1) ... [2024-11-28 02:46:43,358 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43" (1/1) ... [2024-11-28 02:46:43,412 INFO L175 MemorySlicer]: Split 151 memory accesses to 15 slices as follows [2, 5, 8, 10, 5, 10, 8, 12, 8, 8, 5, 14, 14, 12, 30]. 20 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1]. [2024-11-28 02:46:43,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43" (1/1) ... [2024-11-28 02:46:43,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43" (1/1) ... [2024-11-28 02:46:43,448 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43" (1/1) ... [2024-11-28 02:46:43,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43" (1/1) ... [2024-11-28 02:46:43,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43" (1/1) ... [2024-11-28 02:46:43,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43" (1/1) ... [2024-11-28 02:46:43,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43" (1/1) ... [2024-11-28 02:46:43,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:46:43,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:46:43,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:46:43,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:46:43,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43" (1/1) ... [2024-11-28 02:46:43,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:43,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:43,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:43,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:46:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:46:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 02:46:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 02:46:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 02:46:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#14 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 02:46:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#14 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-28 02:46:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 02:46:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-28 02:46:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-28 02:46:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-28 02:46:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-28 02:46:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-28 02:46:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-28 02:46:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-28 02:46:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-28 02:46:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 02:46:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 02:46:43,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 02:46:43,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 02:46:43,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-28 02:46:43,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-28 02:46:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-28 02:46:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-28 02:46:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-28 02:46:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-28 02:46:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-28 02:46:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-28 02:46:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-28 02:46:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-28 02:46:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-28 02:46:43,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 02:46:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 02:46:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 02:46:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 02:46:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 02:46:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-28 02:46:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-28 02:46:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-28 02:46:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-28 02:46:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-28 02:46:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-11-28 02:46:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-11-28 02:46:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-11-28 02:46:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2024-11-28 02:46:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#14 [2024-11-28 02:46:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 02:46:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 02:46:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 02:46:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 02:46:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 02:46:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 02:46:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 02:46:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-28 02:46:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-28 02:46:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-28 02:46:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-28 02:46:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-28 02:46:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-28 02:46:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-28 02:46:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-28 02:46:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:46:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:46:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:46:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:46:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 02:46:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 02:46:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-28 02:46:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-28 02:46:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-28 02:46:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-28 02:46:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-28 02:46:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-28 02:46:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-28 02:46:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-28 02:46:43,923 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:46:43,925 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:46:46,546 INFO L? ?]: Removed 192 outVars from TransFormulas that were not future-live. [2024-11-28 02:46:46,547 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:46:46,560 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:46:46,561 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:46:46,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:46 BoogieIcfgContainer [2024-11-28 02:46:46,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:46:46,564 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:46:46,564 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:46:46,570 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:46:46,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:46:42" (1/3) ... [2024-11-28 02:46:46,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444f6dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:46, skipping insertion in model container [2024-11-28 02:46:46,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:43" (2/3) ... [2024-11-28 02:46:46,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444f6dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:46, skipping insertion in model container [2024-11-28 02:46:46,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:46" (3/3) ... [2024-11-28 02:46:46,574 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-3.i [2024-11-28 02:46:46,591 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:46:46,594 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-3.i that has 2 procedures, 149 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:46:46,677 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:46:46,690 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;@2412ab06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:46:46,690 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:46:46,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 130 states have (on average 1.4615384615384615) internal successors, (190), 131 states have internal predecessors, (190), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:46:46,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:46:46,717 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:46,718 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:46,718 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:46,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:46,725 INFO L85 PathProgramCache]: Analyzing trace with hash -962361363, now seen corresponding path program 1 times [2024-11-28 02:46:46,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:46:46,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045953761] [2024-11-28 02:46:46,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:46,745 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:46,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:46:46,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:46:46,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 02:46:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:47,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:46:47,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-28 02:46:47,353 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:46:47,354 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:46:47,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1045953761] [2024-11-28 02:46:47,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1045953761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:47,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:47,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:46:47,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957092462] [2024-11-28 02:46:47,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:47,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:46:47,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:46:47,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:46:47,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:46:47,391 INFO L87 Difference]: Start difference. First operand has 149 states, 130 states have (on average 1.4615384615384615) internal successors, (190), 131 states have internal predecessors, (190), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:46:47,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:47,422 INFO L93 Difference]: Finished difference Result 291 states and 454 transitions. [2024-11-28 02:46:47,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:46:47,424 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2024-11-28 02:46:47,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:47,431 INFO L225 Difference]: With dead ends: 291 [2024-11-28 02:46:47,431 INFO L226 Difference]: Without dead ends: 145 [2024-11-28 02:46:47,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:46:47,438 INFO L435 NwaCegarLoop]: 215 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, 215 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 [2024-11-28 02:46:47,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:46:47,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-28 02:46:47,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-28 02:46:47,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 127 states have (on average 1.4409448818897639) internal successors, (183), 127 states have internal predecessors, (183), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:46:47,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 215 transitions. [2024-11-28 02:46:47,485 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 215 transitions. Word has length 133 [2024-11-28 02:46:47,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:47,485 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 215 transitions. [2024-11-28 02:46:47,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:46:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 215 transitions. [2024-11-28 02:46:47,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:46:47,492 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:47,492 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:47,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 02:46:47,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:47,694 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:47,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:47,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1607444309, now seen corresponding path program 1 times [2024-11-28 02:46:47,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:46:47,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649471603] [2024-11-28 02:46:47,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:47,697 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:47,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:46:47,699 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:46:47,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 02:46:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:48,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:46:48,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:48,277 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-28 02:46:48,278 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:46:48,278 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:46:48,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649471603] [2024-11-28 02:46:48,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649471603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:48,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:48,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:46:48,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945270228] [2024-11-28 02:46:48,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:48,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:46:48,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:46:48,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:46:48,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:46:48,285 INFO L87 Difference]: Start difference. First operand 145 states and 215 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:46:48,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:48,412 INFO L93 Difference]: Finished difference Result 289 states and 430 transitions. [2024-11-28 02:46:48,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:46:48,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2024-11-28 02:46:48,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:48,415 INFO L225 Difference]: With dead ends: 289 [2024-11-28 02:46:48,415 INFO L226 Difference]: Without dead ends: 147 [2024-11-28 02:46:48,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:46:48,417 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 0 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:48,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 628 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:46:48,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-28 02:46:48,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-28 02:46:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 129 states have (on average 1.434108527131783) internal successors, (185), 129 states have internal predecessors, (185), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 02:46:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 217 transitions. [2024-11-28 02:46:48,438 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 217 transitions. Word has length 133 [2024-11-28 02:46:48,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:48,439 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 217 transitions. [2024-11-28 02:46:48,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:46:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 217 transitions. [2024-11-28 02:46:48,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:46:48,444 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:48,445 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:48,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 02:46:48,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:48,646 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:48,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:48,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1658163689, now seen corresponding path program 1 times [2024-11-28 02:46:48,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:46:48,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1837857643] [2024-11-28 02:46:48,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:48,647 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:48,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:46:48,651 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:46:48,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 02:46:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:49,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:46:49,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:49,806 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 [2024-11-28 02:46:49,826 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:49,826 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:46:49,826 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:46:49,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1837857643] [2024-11-28 02:46:49,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1837857643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:49,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:49,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:46:49,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871003020] [2024-11-28 02:46:49,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:49,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:46:49,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:46:49,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:46:49,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:46:49,829 INFO L87 Difference]: Start difference. First operand 147 states and 217 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:49,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:49,979 INFO L93 Difference]: Finished difference Result 435 states and 645 transitions. [2024-11-28 02:46:49,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:46:49,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-28 02:46:49,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:49,988 INFO L225 Difference]: With dead ends: 435 [2024-11-28 02:46:49,988 INFO L226 Difference]: Without dead ends: 291 [2024-11-28 02:46:49,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:46:49,990 INFO L435 NwaCegarLoop]: 312 mSDtfsCounter, 140 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:49,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 825 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:46:49,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-28 02:46:50,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 286. [2024-11-28 02:46:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 251 states have (on average 1.4342629482071714) internal successors, (360), 251 states have internal predecessors, (360), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 02:46:50,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 424 transitions. [2024-11-28 02:46:50,028 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 424 transitions. Word has length 133 [2024-11-28 02:46:50,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:50,028 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 424 transitions. [2024-11-28 02:46:50,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:50,029 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 424 transitions. [2024-11-28 02:46:50,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 02:46:50,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:50,031 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:50,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 02:46:50,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:50,236 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:50,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:50,236 INFO L85 PathProgramCache]: Analyzing trace with hash 2033493619, now seen corresponding path program 1 times [2024-11-28 02:46:50,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:46:50,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546648607] [2024-11-28 02:46:50,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:50,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:50,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:46:50,242 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:46:50,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 02:46:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:50,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:46:50,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:51,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 38 [2024-11-28 02:46:51,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:46:51,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 51 [2024-11-28 02:46:51,601 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 40 treesize of output 28 [2024-11-28 02:46:51,707 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 [2024-11-28 02:46:51,743 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 12 proven. 192 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-28 02:46:51,746 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:46:51,864 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 40 treesize of output 36 [2024-11-28 02:46:51,874 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 02:46:51,894 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:51,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 52 [2024-11-28 02:46:52,517 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:46:52,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-28 02:46:52,641 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:46:52,641 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:46:52,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546648607] [2024-11-28 02:46:52,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546648607] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:46:52,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:46:52,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2024-11-28 02:46:52,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714207856] [2024-11-28 02:46:52,642 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:46:52,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 02:46:52,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:46:52,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 02:46:52,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:46:52,647 INFO L87 Difference]: Start difference. First operand 286 states and 424 transitions. Second operand has 14 states, 12 states have (on average 6.083333333333333) internal successors, (73), 14 states have internal predecessors, (73), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:46:54,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:54,558 INFO L93 Difference]: Finished difference Result 598 states and 873 transitions. [2024-11-28 02:46:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 02:46:54,559 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 6.083333333333333) internal successors, (73), 14 states have internal predecessors, (73), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) Word has length 134 [2024-11-28 02:46:54,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:54,567 INFO L225 Difference]: With dead ends: 598 [2024-11-28 02:46:54,568 INFO L226 Difference]: Without dead ends: 454 [2024-11-28 02:46:54,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 256 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 02:46:54,571 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 1602 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1602 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:54,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1602 Valid, 1221 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:46:54,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-28 02:46:54,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 294. [2024-11-28 02:46:54,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 257 states have (on average 1.424124513618677) internal successors, (366), 257 states have internal predecessors, (366), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 02:46:54,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 430 transitions. [2024-11-28 02:46:54,631 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 430 transitions. Word has length 134 [2024-11-28 02:46:54,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:54,632 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 430 transitions. [2024-11-28 02:46:54,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 6.083333333333333) internal successors, (73), 14 states have internal predecessors, (73), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:46:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 430 transitions. [2024-11-28 02:46:54,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:46:54,636 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:54,636 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:54,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 02:46:54,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:54,841 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:54,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:54,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1579878723, now seen corresponding path program 1 times [2024-11-28 02:46:54,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:46:54,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705158587] [2024-11-28 02:46:54,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:54,842 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:54,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:46:54,844 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:46:54,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-28 02:46:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:55,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:46:55,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:55,314 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:55,315 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:46:55,315 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:46:55,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705158587] [2024-11-28 02:46:55,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1705158587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:55,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:55,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:46:55,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831764045] [2024-11-28 02:46:55,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:55,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:46:55,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:46:55,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:46:55,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:46:55,317 INFO L87 Difference]: Start difference. First operand 294 states and 430 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:55,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:55,383 INFO L93 Difference]: Finished difference Result 589 states and 863 transitions. [2024-11-28 02:46:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:46:55,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-28 02:46:55,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:55,386 INFO L225 Difference]: With dead ends: 589 [2024-11-28 02:46:55,386 INFO L226 Difference]: Without dead ends: 298 [2024-11-28 02:46:55,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:46:55,388 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 0 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:55,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 628 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:46:55,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-28 02:46:55,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2024-11-28 02:46:55,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 261 states have (on average 1.417624521072797) internal successors, (370), 261 states have internal predecessors, (370), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 02:46:55,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 434 transitions. [2024-11-28 02:46:55,413 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 434 transitions. Word has length 135 [2024-11-28 02:46:55,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:55,413 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 434 transitions. [2024-11-28 02:46:55,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 434 transitions. [2024-11-28 02:46:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:46:55,415 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:55,416 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:55,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-28 02:46:55,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:55,617 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:55,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:55,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1512097137, now seen corresponding path program 1 times [2024-11-28 02:46:55,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:46:55,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219203943] [2024-11-28 02:46:55,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:55,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:55,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:46:55,620 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:46:55,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-28 02:46:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:56,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:46:56,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:56,099 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 [2024-11-28 02:46:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:56,505 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:46:56,506 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:46:56,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [219203943] [2024-11-28 02:46:56,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [219203943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:56,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:56,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:46:56,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383938989] [2024-11-28 02:46:56,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:56,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:46:56,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:46:56,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:46:56,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:46:56,508 INFO L87 Difference]: Start difference. First operand 298 states and 434 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:56,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:56,753 INFO L93 Difference]: Finished difference Result 874 states and 1277 transitions. [2024-11-28 02:46:56,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:46:56,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 02:46:56,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:56,760 INFO L225 Difference]: With dead ends: 874 [2024-11-28 02:46:56,760 INFO L226 Difference]: Without dead ends: 579 [2024-11-28 02:46:56,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:46:56,763 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 382 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:56,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 611 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:46:56,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-11-28 02:46:56,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 491. [2024-11-28 02:46:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 436 states have (on average 1.4220183486238531) internal successors, (620), 436 states have internal predecessors, (620), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-28 02:46:56,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 716 transitions. [2024-11-28 02:46:56,806 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 716 transitions. Word has length 137 [2024-11-28 02:46:56,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:56,809 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 716 transitions. [2024-11-28 02:46:56,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:56,810 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 716 transitions. [2024-11-28 02:46:56,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:46:56,812 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:56,812 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:56,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-28 02:46:57,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:57,012 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:57,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:57,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1604988632, now seen corresponding path program 1 times [2024-11-28 02:46:57,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:46:57,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563376169] [2024-11-28 02:46:57,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:57,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:57,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:46:57,015 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:46:57,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-28 02:46:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:57,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:46:57,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:57,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:46:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:46:57,891 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:46:57,891 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:46:57,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563376169] [2024-11-28 02:46:57,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563376169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:57,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:57,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:46:57,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402140411] [2024-11-28 02:46:57,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:57,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:46:57,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:46:57,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:46:57,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:46:57,893 INFO L87 Difference]: Start difference. First operand 491 states and 716 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:58,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:58,022 INFO L93 Difference]: Finished difference Result 981 states and 1430 transitions. [2024-11-28 02:46:58,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:46:58,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-28 02:46:58,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:58,026 INFO L225 Difference]: With dead ends: 981 [2024-11-28 02:46:58,026 INFO L226 Difference]: Without dead ends: 493 [2024-11-28 02:46:58,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:46:58,028 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 116 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:58,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 723 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:46:58,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-11-28 02:46:58,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 491. [2024-11-28 02:46:58,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 436 states have (on average 1.4197247706422018) internal successors, (619), 436 states have internal predecessors, (619), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-28 02:46:58,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 715 transitions. [2024-11-28 02:46:58,081 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 715 transitions. Word has length 137 [2024-11-28 02:46:58,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:58,082 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 715 transitions. [2024-11-28 02:46:58,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:46:58,082 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 715 transitions. [2024-11-28 02:46:58,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:46:58,084 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:58,084 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:58,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-28 02:46:58,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:58,285 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:58,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:58,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1089001780, now seen corresponding path program 1 times [2024-11-28 02:46:58,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:46:58,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606369098] [2024-11-28 02:46:58,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:58,286 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:58,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:46:58,288 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:46:58,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-28 02:46:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:58,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:46:58,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:59,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 38 [2024-11-28 02:46:59,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:46:59,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 51 [2024-11-28 02:46:59,347 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 40 treesize of output 28 [2024-11-28 02:46:59,437 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 [2024-11-28 02:46:59,469 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 12 proven. 192 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-28 02:46:59,469 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:46:59,563 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 40 treesize of output 36 [2024-11-28 02:46:59,569 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 02:46:59,581 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:59,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 52 [2024-11-28 02:46:59,974 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:46:59,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-28 02:47:00,055 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:47:00,056 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:00,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606369098] [2024-11-28 02:47:00,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606369098] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:47:00,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:47:00,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2024-11-28 02:47:00,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749128205] [2024-11-28 02:47:00,056 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:47:00,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 02:47:00,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:00,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 02:47:00,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:47:00,058 INFO L87 Difference]: Start difference. First operand 491 states and 715 transitions. Second operand has 14 states, 12 states have (on average 7.166666666666667) internal successors, (86), 14 states have internal predecessors, (86), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:47:01,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:01,568 INFO L93 Difference]: Finished difference Result 803 states and 1164 transitions. [2024-11-28 02:47:01,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 02:47:01,569 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 7.166666666666667) internal successors, (86), 14 states have internal predecessors, (86), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) Word has length 138 [2024-11-28 02:47:01,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:01,572 INFO L225 Difference]: With dead ends: 803 [2024-11-28 02:47:01,572 INFO L226 Difference]: Without dead ends: 508 [2024-11-28 02:47:01,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 02:47:01,573 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 1523 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 1605 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:01,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 1605 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:47:01,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-11-28 02:47:01,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 491. [2024-11-28 02:47:01,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 436 states have (on average 1.4174311926605505) internal successors, (618), 436 states have internal predecessors, (618), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-28 02:47:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 714 transitions. [2024-11-28 02:47:01,604 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 714 transitions. Word has length 138 [2024-11-28 02:47:01,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:01,605 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 714 transitions. [2024-11-28 02:47:01,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 7.166666666666667) internal successors, (86), 14 states have internal predecessors, (86), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:47:01,605 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 714 transitions. [2024-11-28 02:47:01,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:47:01,607 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:01,607 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:01,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-28 02:47:01,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:01,807 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:01,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:01,808 INFO L85 PathProgramCache]: Analyzing trace with hash 842697300, now seen corresponding path program 1 times [2024-11-28 02:47:01,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:01,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187787422] [2024-11-28 02:47:01,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:01,808 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:01,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:01,810 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:47:01,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-28 02:47:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:02,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:47:02,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:02,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-11-28 02:47:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:47:02,648 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:02,648 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:02,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [187787422] [2024-11-28 02:47:02,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [187787422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:02,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:02,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:47:02,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484059005] [2024-11-28 02:47:02,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:02,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:47:02,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:02,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:47:02,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:47:02,650 INFO L87 Difference]: Start difference. First operand 491 states and 714 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:47:02,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:02,739 INFO L93 Difference]: Finished difference Result 1109 states and 1616 transitions. [2024-11-28 02:47:02,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:47:02,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 138 [2024-11-28 02:47:02,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:02,744 INFO L225 Difference]: With dead ends: 1109 [2024-11-28 02:47:02,744 INFO L226 Difference]: Without dead ends: 786 [2024-11-28 02:47:02,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:47:02,745 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 141 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:02,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 624 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:47:02,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-11-28 02:47:02,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 780. [2024-11-28 02:47:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 689 states have (on average 1.4150943396226414) internal successors, (975), 689 states have internal predecessors, (975), 80 states have call successors, (80), 10 states have call predecessors, (80), 10 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-28 02:47:02,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1135 transitions. [2024-11-28 02:47:02,816 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1135 transitions. Word has length 138 [2024-11-28 02:47:02,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:02,816 INFO L471 AbstractCegarLoop]: Abstraction has 780 states and 1135 transitions. [2024-11-28 02:47:02,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:47:02,817 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1135 transitions. [2024-11-28 02:47:02,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:47:02,818 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:02,819 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:02,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:03,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:03,019 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:03,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:03,020 INFO L85 PathProgramCache]: Analyzing trace with hash 25048850, now seen corresponding path program 1 times [2024-11-28 02:47:03,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:03,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [667704646] [2024-11-28 02:47:03,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:03,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:03,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:03,022 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:47:03,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-28 02:47:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:03,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:47:03,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:03,950 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 33 treesize of output 21 [2024-11-28 02:47:03,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:47:04,016 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 [2024-11-28 02:47:04,042 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 12 proven. 192 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-28 02:47:04,042 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:04,505 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:47:04,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-28 02:47:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:47:04,592 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:04,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [667704646] [2024-11-28 02:47:04,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [667704646] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:47:04,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:47:04,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2024-11-28 02:47:04,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573944856] [2024-11-28 02:47:04,592 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:47:04,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 02:47:04,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:04,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 02:47:04,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:47:04,594 INFO L87 Difference]: Start difference. First operand 780 states and 1135 transitions. Second operand has 15 states, 13 states have (on average 5.923076923076923) internal successors, (77), 15 states have internal predecessors, (77), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:47:05,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:05,583 INFO L93 Difference]: Finished difference Result 1407 states and 2042 transitions. [2024-11-28 02:47:05,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:47:05,583 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 5.923076923076923) internal successors, (77), 15 states have internal predecessors, (77), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) Word has length 138 [2024-11-28 02:47:05,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:05,589 INFO L225 Difference]: With dead ends: 1407 [2024-11-28 02:47:05,589 INFO L226 Difference]: Without dead ends: 800 [2024-11-28 02:47:05,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 262 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=171, Invalid=531, Unknown=0, NotChecked=0, Total=702 [2024-11-28 02:47:05,592 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 1131 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:05,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1131 Valid, 1034 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:47:05,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-28 02:47:05,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 780. [2024-11-28 02:47:05,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 689 states have (on average 1.4107402031930334) internal successors, (972), 689 states have internal predecessors, (972), 80 states have call successors, (80), 10 states have call predecessors, (80), 10 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-28 02:47:05,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1132 transitions. [2024-11-28 02:47:05,639 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1132 transitions. Word has length 138 [2024-11-28 02:47:05,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:05,642 INFO L471 AbstractCegarLoop]: Abstraction has 780 states and 1132 transitions. [2024-11-28 02:47:05,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 5.923076923076923) internal successors, (77), 15 states have internal predecessors, (77), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:47:05,643 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1132 transitions. [2024-11-28 02:47:05,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:47:05,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:05,645 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:05,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-28 02:47:05,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:05,846 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:05,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:05,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1945701522, now seen corresponding path program 1 times [2024-11-28 02:47:05,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:05,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023634934] [2024-11-28 02:47:05,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:05,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:05,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:05,851 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:47:05,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-28 02:47:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:06,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-28 02:47:06,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:11,048 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 27 treesize of output 23 [2024-11-28 02:47:11,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2024-11-28 02:47:11,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-28 02:47:12,396 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 26 proven. 397 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-28 02:47:12,397 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:13,447 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:47:13,447 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:13,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023634934] [2024-11-28 02:47:13,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2023634934] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:13,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:47:13,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [33] total 39 [2024-11-28 02:47:13,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931922453] [2024-11-28 02:47:13,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:13,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:47:13,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:13,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:47:13,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1365, Unknown=0, NotChecked=0, Total=1482 [2024-11-28 02:47:13,449 INFO L87 Difference]: Start difference. First operand 780 states and 1132 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:47:14,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:14,590 INFO L93 Difference]: Finished difference Result 2066 states and 2981 transitions. [2024-11-28 02:47:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:47:14,591 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 139 [2024-11-28 02:47:14,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:14,597 INFO L225 Difference]: With dead ends: 2066 [2024-11-28 02:47:14,597 INFO L226 Difference]: Without dead ends: 1289 [2024-11-28 02:47:14,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=139, Invalid=1753, Unknown=0, NotChecked=0, Total=1892 [2024-11-28 02:47:14,600 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 121 mSDsluCounter, 1442 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 1662 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:14,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 1662 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:47:14,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2024-11-28 02:47:14,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1242. [2024-11-28 02:47:14,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1242 states, 1136 states have (on average 1.4225352112676057) internal successors, (1616), 1141 states have internal predecessors, (1616), 90 states have call successors, (90), 15 states have call predecessors, (90), 15 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-28 02:47:14,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1242 states and 1796 transitions. [2024-11-28 02:47:14,684 INFO L78 Accepts]: Start accepts. Automaton has 1242 states and 1796 transitions. Word has length 139 [2024-11-28 02:47:14,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:14,685 INFO L471 AbstractCegarLoop]: Abstraction has 1242 states and 1796 transitions. [2024-11-28 02:47:14,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:47:14,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1796 transitions. [2024-11-28 02:47:14,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:47:14,688 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:14,688 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:14,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-28 02:47:14,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:14,888 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:14,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:14,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1648201196, now seen corresponding path program 1 times [2024-11-28 02:47:14,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:14,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079152016] [2024-11-28 02:47:14,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:14,890 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:14,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:14,891 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:47:14,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-28 02:47:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:15,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:47:15,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:15,324 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 [2024-11-28 02:47:15,337 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:47:15,337 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:15,337 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:15,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079152016] [2024-11-28 02:47:15,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079152016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:15,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:15,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:47:15,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720549838] [2024-11-28 02:47:15,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:15,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:47:15,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:15,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:47:15,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:47:15,339 INFO L87 Difference]: Start difference. First operand 1242 states and 1796 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:47:15,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:15,589 INFO L93 Difference]: Finished difference Result 2583 states and 3711 transitions. [2024-11-28 02:47:15,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:47:15,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 139 [2024-11-28 02:47:15,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:15,597 INFO L225 Difference]: With dead ends: 2583 [2024-11-28 02:47:15,597 INFO L226 Difference]: Without dead ends: 1344 [2024-11-28 02:47:15,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:47:15,600 INFO L435 NwaCegarLoop]: 251 mSDtfsCounter, 128 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:15,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 924 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:47:15,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2024-11-28 02:47:15,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1337. [2024-11-28 02:47:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 1189 states have (on average 1.3986543313709) internal successors, (1663), 1195 states have internal predecessors, (1663), 122 states have call successors, (122), 25 states have call predecessors, (122), 25 states have return successors, (122), 116 states have call predecessors, (122), 122 states have call successors, (122) [2024-11-28 02:47:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1907 transitions. [2024-11-28 02:47:15,684 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1907 transitions. Word has length 139 [2024-11-28 02:47:15,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:15,684 INFO L471 AbstractCegarLoop]: Abstraction has 1337 states and 1907 transitions. [2024-11-28 02:47:15,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:47:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1907 transitions. [2024-11-28 02:47:15,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:47:15,687 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:15,687 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:15,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-28 02:47:15,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:15,888 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:15,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:15,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1128053072, now seen corresponding path program 1 times [2024-11-28 02:47:15,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:15,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641525083] [2024-11-28 02:47:15,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:15,889 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:15,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:15,891 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:47:15,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-28 02:47:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:16,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:47:16,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:16,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-11-28 02:47:16,365 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:47:16,365 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:16,366 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:16,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641525083] [2024-11-28 02:47:16,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [641525083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:16,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:16,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:47:16,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014981851] [2024-11-28 02:47:16,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:16,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:47:16,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:16,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:47:16,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:47:16,367 INFO L87 Difference]: Start difference. First operand 1337 states and 1907 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:47:16,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:16,622 INFO L93 Difference]: Finished difference Result 2693 states and 3825 transitions. [2024-11-28 02:47:16,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:47:16,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 139 [2024-11-28 02:47:16,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:16,629 INFO L225 Difference]: With dead ends: 2693 [2024-11-28 02:47:16,629 INFO L226 Difference]: Without dead ends: 1364 [2024-11-28 02:47:16,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:47:16,633 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 126 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:16,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 1062 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:47:16,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2024-11-28 02:47:16,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1332. [2024-11-28 02:47:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 1189 states have (on average 1.3944491169049622) internal successors, (1658), 1194 states have internal predecessors, (1658), 114 states have call successors, (114), 28 states have call predecessors, (114), 28 states have return successors, (114), 109 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-28 02:47:16,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1886 transitions. [2024-11-28 02:47:16,717 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1886 transitions. Word has length 139 [2024-11-28 02:47:16,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:16,718 INFO L471 AbstractCegarLoop]: Abstraction has 1332 states and 1886 transitions. [2024-11-28 02:47:16,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:47:16,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1886 transitions. [2024-11-28 02:47:16,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:47:16,721 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:16,721 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:16,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:16,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:16,922 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:16,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:16,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1829117650, now seen corresponding path program 1 times [2024-11-28 02:47:16,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:16,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028216866] [2024-11-28 02:47:16,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:16,923 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:16,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:16,924 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:47:16,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-28 02:47:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:17,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-28 02:47:17,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:22,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2024-11-28 02:47:23,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-11-28 02:47:23,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2024-11-28 02:47:23,763 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 23 proven. 393 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 02:47:23,763 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:24,590 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:47:24,590 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:24,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1028216866] [2024-11-28 02:47:24,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1028216866] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:24,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:47:24,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [33] total 39 [2024-11-28 02:47:24,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199568196] [2024-11-28 02:47:24,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:24,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:47:24,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:24,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:47:24,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1365, Unknown=0, NotChecked=0, Total=1482 [2024-11-28 02:47:24,592 INFO L87 Difference]: Start difference. First operand 1332 states and 1886 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:47:25,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:25,637 INFO L93 Difference]: Finished difference Result 2707 states and 3816 transitions. [2024-11-28 02:47:25,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:47:25,638 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 139 [2024-11-28 02:47:25,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:25,645 INFO L225 Difference]: With dead ends: 2707 [2024-11-28 02:47:25,645 INFO L226 Difference]: Without dead ends: 1378 [2024-11-28 02:47:25,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=139, Invalid=1753, Unknown=0, NotChecked=0, Total=1892 [2024-11-28 02:47:25,649 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 118 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 2350 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:25,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 2350 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:47:25,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2024-11-28 02:47:25,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1047. [2024-11-28 02:47:25,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 944 states have (on average 1.4014830508474576) internal successors, (1323), 945 states have internal predecessors, (1323), 82 states have call successors, (82), 20 states have call predecessors, (82), 20 states have return successors, (82), 81 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-28 02:47:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1487 transitions. [2024-11-28 02:47:25,738 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1487 transitions. Word has length 139 [2024-11-28 02:47:25,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:25,738 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1487 transitions. [2024-11-28 02:47:25,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:47:25,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1487 transitions. [2024-11-28 02:47:25,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:47:25,741 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:25,741 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:25,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:25,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:25,942 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:25,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:25,942 INFO L85 PathProgramCache]: Analyzing trace with hash 31905336, now seen corresponding path program 1 times [2024-11-28 02:47:25,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:25,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299799775] [2024-11-28 02:47:25,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:25,943 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:25,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:25,946 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:47:25,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-28 02:47:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:26,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:47:26,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:26,919 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 33 treesize of output 21 [2024-11-28 02:47:26,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:47:26,997 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 [2024-11-28 02:47:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 12 proven. 192 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-28 02:47:27,017 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:27,501 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:47:27,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-28 02:47:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:47:27,583 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:27,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299799775] [2024-11-28 02:47:27,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299799775] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:47:27,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:47:27,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2024-11-28 02:47:27,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055959650] [2024-11-28 02:47:27,583 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:47:27,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 02:47:27,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:27,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 02:47:27,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:47:27,585 INFO L87 Difference]: Start difference. First operand 1047 states and 1487 transitions. Second operand has 15 states, 13 states have (on average 6.769230769230769) internal successors, (88), 15 states have internal predecessors, (88), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:47:28,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:28,437 INFO L93 Difference]: Finished difference Result 1829 states and 2589 transitions. [2024-11-28 02:47:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:47:28,439 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 6.769230769230769) internal successors, (88), 15 states have internal predecessors, (88), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) Word has length 140 [2024-11-28 02:47:28,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:28,443 INFO L225 Difference]: With dead ends: 1829 [2024-11-28 02:47:28,443 INFO L226 Difference]: Without dead ends: 1067 [2024-11-28 02:47:28,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 266 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=171, Invalid=531, Unknown=0, NotChecked=0, Total=702 [2024-11-28 02:47:28,445 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 640 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:28,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 1028 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:47:28,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-11-28 02:47:28,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 618. [2024-11-28 02:47:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 555 states have (on average 1.390990990990991) internal successors, (772), 556 states have internal predecessors, (772), 50 states have call successors, (50), 12 states have call predecessors, (50), 12 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-28 02:47:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 872 transitions. [2024-11-28 02:47:28,490 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 872 transitions. Word has length 140 [2024-11-28 02:47:28,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:28,490 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 872 transitions. [2024-11-28 02:47:28,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 6.769230769230769) internal successors, (88), 15 states have internal predecessors, (88), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:47:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 872 transitions. [2024-11-28 02:47:28,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 02:47:28,492 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:28,492 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:28,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:28,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:28,698 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:28,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:28,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1764056573, now seen corresponding path program 1 times [2024-11-28 02:47:28,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:28,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038177668] [2024-11-28 02:47:28,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:28,699 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:28,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:28,701 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:47:28,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-28 02:47:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:29,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:47:29,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:47:29,237 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:29,237 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:29,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038177668] [2024-11-28 02:47:29,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1038177668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:29,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:29,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:47:29,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355658634] [2024-11-28 02:47:29,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:29,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:47:29,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:29,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:47:29,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:47:29,239 INFO L87 Difference]: Start difference. First operand 618 states and 872 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:47:29,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:29,290 INFO L93 Difference]: Finished difference Result 1237 states and 1746 transitions. [2024-11-28 02:47:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:47:29,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 141 [2024-11-28 02:47:29,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:29,293 INFO L225 Difference]: With dead ends: 1237 [2024-11-28 02:47:29,293 INFO L226 Difference]: Without dead ends: 627 [2024-11-28 02:47:29,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:47:29,296 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 0 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:29,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 824 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:47:29,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-28 02:47:29,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 627. [2024-11-28 02:47:29,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 564 states have (on average 1.3847517730496455) internal successors, (781), 565 states have internal predecessors, (781), 50 states have call successors, (50), 12 states have call predecessors, (50), 12 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-28 02:47:29,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 881 transitions. [2024-11-28 02:47:29,338 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 881 transitions. Word has length 141 [2024-11-28 02:47:29,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:29,339 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 881 transitions. [2024-11-28 02:47:29,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:47:29,339 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 881 transitions. [2024-11-28 02:47:29,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:47:29,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:29,342 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:29,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:29,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:29,546 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:29,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:29,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1380781314, now seen corresponding path program 1 times [2024-11-28 02:47:29,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:29,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535891222] [2024-11-28 02:47:29,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:29,548 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:29,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:29,550 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:47:29,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-28 02:47:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:30,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:47:30,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:31,196 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 85 treesize of output 65 [2024-11-28 02:47:31,202 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 74 treesize of output 62 [2024-11-28 02:47:31,284 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 12 proven. 192 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-28 02:47:31,284 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:32,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:32,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 48 [2024-11-28 02:47:32,952 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:47:32,953 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:32,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535891222] [2024-11-28 02:47:32,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535891222] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:47:32,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:47:32,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2024-11-28 02:47:32,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122324256] [2024-11-28 02:47:32,953 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:47:32,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 02:47:32,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:32,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 02:47:32,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:47:32,955 INFO L87 Difference]: Start difference. First operand 627 states and 881 transitions. Second operand has 19 states, 17 states have (on average 7.9411764705882355) internal successors, (135), 18 states have internal predecessors, (135), 6 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-28 02:47:34,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:34,753 INFO L93 Difference]: Finished difference Result 1977 states and 2775 transitions. [2024-11-28 02:47:34,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 02:47:34,754 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 7.9411764705882355) internal successors, (135), 18 states have internal predecessors, (135), 6 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) Word has length 143 [2024-11-28 02:47:34,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:34,759 INFO L225 Difference]: With dead ends: 1977 [2024-11-28 02:47:34,759 INFO L226 Difference]: Without dead ends: 1358 [2024-11-28 02:47:34,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=239, Invalid=1021, Unknown=0, NotChecked=0, Total=1260 [2024-11-28 02:47:34,761 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 812 mSDsluCounter, 2362 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 2540 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:34,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 2540 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:47:34,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2024-11-28 02:47:34,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1225. [2024-11-28 02:47:34,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 1122 states have (on average 1.4001782531194296) internal successors, (1571), 1123 states have internal predecessors, (1571), 82 states have call successors, (82), 20 states have call predecessors, (82), 20 states have return successors, (82), 81 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-28 02:47:34,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1735 transitions. [2024-11-28 02:47:34,847 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1735 transitions. Word has length 143 [2024-11-28 02:47:34,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:34,848 INFO L471 AbstractCegarLoop]: Abstraction has 1225 states and 1735 transitions. [2024-11-28 02:47:34,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 7.9411764705882355) internal successors, (135), 18 states have internal predecessors, (135), 6 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-28 02:47:34,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1735 transitions. [2024-11-28 02:47:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:47:34,850 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:34,850 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:34,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:35,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:35,054 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:35,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:35,055 INFO L85 PathProgramCache]: Analyzing trace with hash -2079532628, now seen corresponding path program 1 times [2024-11-28 02:47:35,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:35,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536469983] [2024-11-28 02:47:35,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:35,056 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:35,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:35,057 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:47:35,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-28 02:47:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:35,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 02:47:35,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:37,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-28 02:47:38,282 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:38,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 121 [2024-11-28 02:47:38,288 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:38,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 258 treesize of output 138 [2024-11-28 02:47:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-28 02:47:38,445 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:38,998 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:38,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536469983] [2024-11-28 02:47:38,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536469983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:38,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [975808561] [2024-11-28 02:47:38,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:38,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:47:38,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:47:39,000 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:47:39,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-28 02:47:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:40,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-28 02:47:40,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:42,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-28 02:47:44,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-28 02:47:45,801 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:45,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 121 [2024-11-28 02:47:45,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 274 treesize of output 146 [2024-11-28 02:47:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-28 02:47:45,845 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:46,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [975808561] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:46,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:47:46,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 17 [2024-11-28 02:47:46,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423475022] [2024-11-28 02:47:46,123 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:47:46,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 02:47:46,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:46,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 02:47:46,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:47:46,124 INFO L87 Difference]: Start difference. First operand 1225 states and 1735 transitions. Second operand has 18 states, 18 states have (on average 7.388888888888889) internal successors, (133), 17 states have internal predecessors, (133), 4 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:47:57,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:57,702 INFO L93 Difference]: Finished difference Result 3104 states and 4333 transitions. [2024-11-28 02:47:57,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:47:57,704 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.388888888888889) internal successors, (133), 17 states have internal predecessors, (133), 4 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 143 [2024-11-28 02:47:57,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:57,716 INFO L225 Difference]: With dead ends: 3104 [2024-11-28 02:47:57,717 INFO L226 Difference]: Without dead ends: 3102 [2024-11-28 02:47:57,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 324 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=167, Invalid=825, Unknown=0, NotChecked=0, Total=992 [2024-11-28 02:47:57,719 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 1019 mSDsluCounter, 1941 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 2159 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:57,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 2159 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1339 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2024-11-28 02:47:57,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3102 states. [2024-11-28 02:47:58,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3102 to 3088. [2024-11-28 02:47:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3088 states, 2795 states have (on average 1.3778175313059033) internal successors, (3851), 2806 states have internal predecessors, (3851), 232 states have call successors, (232), 60 states have call predecessors, (232), 60 states have return successors, (232), 221 states have call predecessors, (232), 232 states have call successors, (232) [2024-11-28 02:47:58,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 3088 states and 4315 transitions. [2024-11-28 02:47:58,062 INFO L78 Accepts]: Start accepts. Automaton has 3088 states and 4315 transitions. Word has length 143 [2024-11-28 02:47:58,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:58,063 INFO L471 AbstractCegarLoop]: Abstraction has 3088 states and 4315 transitions. [2024-11-28 02:47:58,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.388888888888889) internal successors, (133), 17 states have internal predecessors, (133), 4 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:47:58,063 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 4315 transitions. [2024-11-28 02:47:58,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 02:47:58,066 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:58,066 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:58,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:58,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-28 02:47:58,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:47:58,467 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:58,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:58,467 INFO L85 PathProgramCache]: Analyzing trace with hash 55788388, now seen corresponding path program 1 times [2024-11-28 02:47:58,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:58,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310125458] [2024-11-28 02:47:58,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:58,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:58,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:58,470 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:47:58,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-28 02:47:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:58,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:47:58,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:59,254 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:59,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 157 treesize of output 67 [2024-11-28 02:47:59,327 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 60 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 02:47:59,327 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:59,570 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:59,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 1 [2024-11-28 02:47:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:47:59,647 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:59,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [310125458] [2024-11-28 02:47:59,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [310125458] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:47:59,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:47:59,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-28 02:47:59,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666075215] [2024-11-28 02:47:59,648 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:47:59,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:47:59,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:59,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:47:59,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:47:59,649 INFO L87 Difference]: Start difference. First operand 3088 states and 4315 transitions. Second operand has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 4 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-28 02:48:02,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:02,692 INFO L93 Difference]: Finished difference Result 6275 states and 8737 transitions. [2024-11-28 02:48:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 02:48:02,693 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 4 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) Word has length 145 [2024-11-28 02:48:02,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:02,704 INFO L225 Difference]: With dead ends: 6275 [2024-11-28 02:48:02,704 INFO L226 Difference]: Without dead ends: 3140 [2024-11-28 02:48:02,708 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-28 02:48:02,708 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 171 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:02,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 659 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 02:48:02,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3140 states. [2024-11-28 02:48:03,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3140 to 3078. [2024-11-28 02:48:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3078 states, 2785 states have (on average 1.3755834829443447) internal successors, (3831), 2796 states have internal predecessors, (3831), 232 states have call successors, (232), 60 states have call predecessors, (232), 60 states have return successors, (232), 221 states have call predecessors, (232), 232 states have call successors, (232) [2024-11-28 02:48:03,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 3078 states and 4295 transitions. [2024-11-28 02:48:03,025 INFO L78 Accepts]: Start accepts. Automaton has 3078 states and 4295 transitions. Word has length 145 [2024-11-28 02:48:03,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:03,026 INFO L471 AbstractCegarLoop]: Abstraction has 3078 states and 4295 transitions. [2024-11-28 02:48:03,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 12 states have internal predecessors, (108), 4 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-28 02:48:03,026 INFO L276 IsEmpty]: Start isEmpty. Operand 3078 states and 4295 transitions. [2024-11-28 02:48:03,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 02:48:03,029 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:03,030 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:03,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-11-28 02:48:03,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:03,230 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:03,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:03,231 INFO L85 PathProgramCache]: Analyzing trace with hash 2069153416, now seen corresponding path program 1 times [2024-11-28 02:48:03,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:03,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139148727] [2024-11-28 02:48:03,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:03,231 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:03,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:03,233 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:48:03,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-28 02:48:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:03,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:48:03,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:04,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-11-28 02:48:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:48:04,034 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:48:04,034 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:04,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139148727] [2024-11-28 02:48:04,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [139148727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:04,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:48:04,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:48:04,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374140010] [2024-11-28 02:48:04,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:04,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:48:04,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:48:04,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:48:04,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:48:04,036 INFO L87 Difference]: Start difference. First operand 3078 states and 4295 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:48:04,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:04,297 INFO L93 Difference]: Finished difference Result 6158 states and 8593 transitions. [2024-11-28 02:48:04,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:48:04,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 145 [2024-11-28 02:48:04,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:04,305 INFO L225 Difference]: With dead ends: 6158 [2024-11-28 02:48:04,305 INFO L226 Difference]: Without dead ends: 3088 [2024-11-28 02:48:04,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:48:04,310 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 119 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:04,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 611 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:48:04,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3088 states. [2024-11-28 02:48:04,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3088 to 3078. [2024-11-28 02:48:04,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3078 states, 2785 states have (on average 1.3723518850987433) internal successors, (3822), 2796 states have internal predecessors, (3822), 232 states have call successors, (232), 60 states have call predecessors, (232), 60 states have return successors, (232), 221 states have call predecessors, (232), 232 states have call successors, (232) [2024-11-28 02:48:04,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 3078 states and 4286 transitions. [2024-11-28 02:48:04,643 INFO L78 Accepts]: Start accepts. Automaton has 3078 states and 4286 transitions. Word has length 145 [2024-11-28 02:48:04,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:04,644 INFO L471 AbstractCegarLoop]: Abstraction has 3078 states and 4286 transitions. [2024-11-28 02:48:04,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:48:04,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3078 states and 4286 transitions. [2024-11-28 02:48:04,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 02:48:04,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:04,646 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:04,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-28 02:48:04,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:04,847 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:04,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:04,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1676126406, now seen corresponding path program 1 times [2024-11-28 02:48:04,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:04,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217983299] [2024-11-28 02:48:04,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:04,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:04,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:04,849 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:48:04,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-28 02:48:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:05,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 02:48:05,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:06,420 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 [2024-11-28 02:48:06,453 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 33 treesize of output 21 [2024-11-28 02:48:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 12 proven. 192 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-28 02:48:06,594 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:08,620 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:48:08,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 59 [2024-11-28 02:48:08,843 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:48:08,843 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:08,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217983299] [2024-11-28 02:48:08,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217983299] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:48:08,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:48:08,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2024-11-28 02:48:08,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380846131] [2024-11-28 02:48:08,843 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:48:08,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 02:48:08,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:48:08,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 02:48:08,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:48:08,846 INFO L87 Difference]: Start difference. First operand 3078 states and 4286 transitions. Second operand has 23 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 6 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-28 02:48:11,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:11,388 INFO L93 Difference]: Finished difference Result 6527 states and 9046 transitions. [2024-11-28 02:48:11,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-28 02:48:11,389 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 6 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) Word has length 145 [2024-11-28 02:48:11,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:11,401 INFO L225 Difference]: With dead ends: 6527 [2024-11-28 02:48:11,401 INFO L226 Difference]: Without dead ends: 3457 [2024-11-28 02:48:11,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=297, Invalid=1595, Unknown=0, NotChecked=0, Total=1892 [2024-11-28 02:48:11,405 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 732 mSDsluCounter, 3069 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 3247 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:11,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 3247 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:48:11,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3457 states. [2024-11-28 02:48:11,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3457 to 3066. [2024-11-28 02:48:11,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3066 states, 2773 states have (on average 1.3739632167327804) internal successors, (3810), 2784 states have internal predecessors, (3810), 232 states have call successors, (232), 60 states have call predecessors, (232), 60 states have return successors, (232), 221 states have call predecessors, (232), 232 states have call successors, (232) [2024-11-28 02:48:11,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3066 states to 3066 states and 4274 transitions. [2024-11-28 02:48:11,688 INFO L78 Accepts]: Start accepts. Automaton has 3066 states and 4274 transitions. Word has length 145 [2024-11-28 02:48:11,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:11,689 INFO L471 AbstractCegarLoop]: Abstraction has 3066 states and 4274 transitions. [2024-11-28 02:48:11,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 6 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-28 02:48:11,690 INFO L276 IsEmpty]: Start isEmpty. Operand 3066 states and 4274 transitions. [2024-11-28 02:48:11,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 02:48:11,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:11,692 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:11,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2024-11-28 02:48:11,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:11,893 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:11,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:11,893 INFO L85 PathProgramCache]: Analyzing trace with hash 536868646, now seen corresponding path program 1 times [2024-11-28 02:48:11,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:11,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84665113] [2024-11-28 02:48:11,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:11,894 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:11,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:11,897 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:48:11,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-28 02:48:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:12,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-28 02:48:12,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:14,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-28 02:48:15,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:48:15,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 121 [2024-11-28 02:48:15,227 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:48:15,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 256 treesize of output 136 [2024-11-28 02:48:15,418 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 1 proven. 115 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 02:48:15,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:15,921 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:15,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84665113] [2024-11-28 02:48:15,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84665113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:15,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1904961481] [2024-11-28 02:48:15,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:15,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:48:15,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:48:15,923 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:48:15,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-28 02:48:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:17,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-28 02:48:17,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:20,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 02:48:21,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-28 02:48:22,445 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:48:22,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 121 [2024-11-28 02:48:22,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 256 treesize of output 136 [2024-11-28 02:48:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 1 proven. 115 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 02:48:22,489 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:22,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1904961481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:22,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:48:22,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 23 [2024-11-28 02:48:22,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617806869] [2024-11-28 02:48:22,755 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:48:22,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 02:48:22,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:48:22,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 02:48:22,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=704, Unknown=0, NotChecked=0, Total=812 [2024-11-28 02:48:22,757 INFO L87 Difference]: Start difference. First operand 3066 states and 4274 transitions. Second operand has 24 states, 22 states have (on average 6.5) internal successors, (143), 21 states have internal predecessors, (143), 6 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-28 02:48:27,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:48:38,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:38,210 INFO L93 Difference]: Finished difference Result 3828 states and 5253 transitions. [2024-11-28 02:48:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 02:48:38,215 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 6.5) internal successors, (143), 21 states have internal predecessors, (143), 6 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) Word has length 145 [2024-11-28 02:48:38,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:38,227 INFO L225 Difference]: With dead ends: 3828 [2024-11-28 02:48:38,227 INFO L226 Difference]: Without dead ends: 3826 [2024-11-28 02:48:38,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 322 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=371, Invalid=1791, Unknown=0, NotChecked=0, Total=2162 [2024-11-28 02:48:38,231 INFO L435 NwaCegarLoop]: 240 mSDtfsCounter, 713 mSDsluCounter, 2334 mSDsCounter, 0 mSdLazyCounter, 2139 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 2574 SdHoareTripleChecker+Invalid, 2229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 2139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:38,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 2574 Invalid, 2229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 2139 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2024-11-28 02:48:38,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2024-11-28 02:48:38,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 3086. [2024-11-28 02:48:38,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3086 states, 2788 states have (on average 1.3719512195121952) internal successors, (3825), 2799 states have internal predecessors, (3825), 232 states have call successors, (232), 65 states have call predecessors, (232), 65 states have return successors, (232), 221 states have call predecessors, (232), 232 states have call successors, (232) [2024-11-28 02:48:38,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 3086 states and 4289 transitions. [2024-11-28 02:48:38,578 INFO L78 Accepts]: Start accepts. Automaton has 3086 states and 4289 transitions. Word has length 145 [2024-11-28 02:48:38,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:38,578 INFO L471 AbstractCegarLoop]: Abstraction has 3086 states and 4289 transitions. [2024-11-28 02:48:38,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 6.5) internal successors, (143), 21 states have internal predecessors, (143), 6 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-28 02:48:38,579 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 4289 transitions. [2024-11-28 02:48:38,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 02:48:38,580 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:38,581 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:38,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-28 02:48:38,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-28 02:48:38,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:48:38,981 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:38,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:38,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1585884258, now seen corresponding path program 1 times [2024-11-28 02:48:38,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:38,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569785607] [2024-11-28 02:48:38,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:38,982 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:38,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:38,984 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:48:38,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-28 02:48:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:39,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 02:48:39,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:39,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:48:40,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 65 [2024-11-28 02:48:40,033 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 74 treesize of output 62 [2024-11-28 02:48:40,112 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 12 proven. 192 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-28 02:48:40,112 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:48:40,631 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:40,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569785607] [2024-11-28 02:48:40,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1569785607] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:40,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:48:40,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 17 [2024-11-28 02:48:40,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405017392] [2024-11-28 02:48:40,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:40,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:48:40,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:48:40,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:48:40,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:48:40,632 INFO L87 Difference]: Start difference. First operand 3086 states and 4289 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:48:41,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:41,375 INFO L93 Difference]: Finished difference Result 5906 states and 8188 transitions. [2024-11-28 02:48:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:48:41,376 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 146 [2024-11-28 02:48:41,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:41,398 INFO L225 Difference]: With dead ends: 5906 [2024-11-28 02:48:41,398 INFO L226 Difference]: Without dead ends: 4492 [2024-11-28 02:48:41,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2024-11-28 02:48:41,402 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 108 mSDsluCounter, 1640 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:41,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1941 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:48:41,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4492 states. [2024-11-28 02:48:41,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4492 to 3463. [2024-11-28 02:48:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3463 states, 3167 states have (on average 1.3798547521313547) internal successors, (4370), 3177 states have internal predecessors, (4370), 230 states have call successors, (230), 65 states have call predecessors, (230), 65 states have return successors, (230), 220 states have call predecessors, (230), 230 states have call successors, (230) [2024-11-28 02:48:41,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3463 states and 4830 transitions. [2024-11-28 02:48:41,703 INFO L78 Accepts]: Start accepts. Automaton has 3463 states and 4830 transitions. Word has length 146 [2024-11-28 02:48:41,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:41,703 INFO L471 AbstractCegarLoop]: Abstraction has 3463 states and 4830 transitions. [2024-11-28 02:48:41,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:48:41,704 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 4830 transitions. [2024-11-28 02:48:41,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-28 02:48:41,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:41,706 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:41,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-11-28 02:48:41,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:41,906 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:41,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:41,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1211559974, now seen corresponding path program 1 times [2024-11-28 02:48:41,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:41,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705473032] [2024-11-28 02:48:41,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:41,907 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:41,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:41,909 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:48:41,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-28 02:48:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:42,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 02:48:42,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:42,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:48:42,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 02:48:42,962 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 33 treesize of output 21 [2024-11-28 02:48:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 12 proven. 192 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-28 02:48:43,076 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:43,866 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:48:43,866 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:43,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [705473032] [2024-11-28 02:48:43,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [705473032] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:43,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:48:43,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 21 [2024-11-28 02:48:43,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353800187] [2024-11-28 02:48:43,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:43,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:48:43,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:48:43,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:48:43,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2024-11-28 02:48:43,867 INFO L87 Difference]: Start difference. First operand 3463 states and 4830 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:48:44,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:44,902 INFO L93 Difference]: Finished difference Result 6252 states and 8700 transitions. [2024-11-28 02:48:44,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:48:44,903 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 148 [2024-11-28 02:48:44,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:44,915 INFO L225 Difference]: With dead ends: 6252 [2024-11-28 02:48:44,915 INFO L226 Difference]: Without dead ends: 4456 [2024-11-28 02:48:44,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2024-11-28 02:48:44,919 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 111 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 2527 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:44,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 2527 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:48:44,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4456 states. [2024-11-28 02:48:45,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4456 to 3083. [2024-11-28 02:48:45,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3083 states, 2787 states have (on average 1.3720846788661643) internal successors, (3824), 2797 states have internal predecessors, (3824), 230 states have call successors, (230), 65 states have call predecessors, (230), 65 states have return successors, (230), 220 states have call predecessors, (230), 230 states have call successors, (230) [2024-11-28 02:48:45,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 3083 states and 4284 transitions. [2024-11-28 02:48:45,156 INFO L78 Accepts]: Start accepts. Automaton has 3083 states and 4284 transitions. Word has length 148 [2024-11-28 02:48:45,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:45,157 INFO L471 AbstractCegarLoop]: Abstraction has 3083 states and 4284 transitions. [2024-11-28 02:48:45,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-28 02:48:45,157 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 4284 transitions. [2024-11-28 02:48:45,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 02:48:45,159 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:45,159 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:45,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2024-11-28 02:48:45,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:45,360 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:45,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:45,361 INFO L85 PathProgramCache]: Analyzing trace with hash 251657904, now seen corresponding path program 1 times [2024-11-28 02:48:45,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:45,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678504820] [2024-11-28 02:48:45,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:45,362 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:45,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:45,364 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:48:45,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-28 02:48:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:45,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:48:45,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:46,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-28 02:48:46,491 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 14 proven. 102 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 02:48:46,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:46,884 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:48:46,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-28 02:48:46,942 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:48:46,942 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:46,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678504820] [2024-11-28 02:48:46,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678504820] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:48:46,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:48:46,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2024-11-28 02:48:46,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139156188] [2024-11-28 02:48:46,943 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:48:46,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:48:46,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:48:46,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:48:46,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:48:46,944 INFO L87 Difference]: Start difference. First operand 3083 states and 4284 transitions. Second operand has 12 states, 10 states have (on average 9.1) internal successors, (91), 12 states have internal predecessors, (91), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:48:47,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:47,712 INFO L93 Difference]: Finished difference Result 4266 states and 5839 transitions. [2024-11-28 02:48:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:48:47,713 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 9.1) internal successors, (91), 12 states have internal predecessors, (91), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) Word has length 153 [2024-11-28 02:48:47,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:47,719 INFO L225 Difference]: With dead ends: 4266 [2024-11-28 02:48:47,719 INFO L226 Difference]: Without dead ends: 1186 [2024-11-28 02:48:47,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2024-11-28 02:48:47,723 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 249 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:47,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 727 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:48:47,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-11-28 02:48:47,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1036. [2024-11-28 02:48:47,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 893 states have (on average 1.2698768197088466) internal successors, (1134), 899 states have internal predecessors, (1134), 104 states have call successors, (104), 38 states have call predecessors, (104), 38 states have return successors, (104), 98 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-28 02:48:47,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1342 transitions. [2024-11-28 02:48:47,895 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1342 transitions. Word has length 153 [2024-11-28 02:48:47,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:47,895 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1342 transitions. [2024-11-28 02:48:47,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 9.1) internal successors, (91), 12 states have internal predecessors, (91), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:48:47,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1342 transitions. [2024-11-28 02:48:47,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 02:48:47,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:47,897 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:47,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-11-28 02:48:48,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:48,098 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:48,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:48,098 INFO L85 PathProgramCache]: Analyzing trace with hash 2131486561, now seen corresponding path program 1 times [2024-11-28 02:48:48,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:48,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776798268] [2024-11-28 02:48:48,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:48,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:48,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:48,100 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:48:48,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-11-28 02:48:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:48,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:48:48,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:49,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-28 02:48:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 14 proven. 102 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 02:48:49,226 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:49,665 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 02:48:49,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-28 02:48:49,708 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-28 02:48:49,708 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:49,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776798268] [2024-11-28 02:48:49,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [776798268] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:48:49,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:48:49,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2024-11-28 02:48:49,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620124157] [2024-11-28 02:48:49,709 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:48:49,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:48:49,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:48:49,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:48:49,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:48:49,710 INFO L87 Difference]: Start difference. First operand 1036 states and 1342 transitions. Second operand has 12 states, 10 states have (on average 9.1) internal successors, (91), 12 states have internal predecessors, (91), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:48:50,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:50,478 INFO L93 Difference]: Finished difference Result 1939 states and 2478 transitions. [2024-11-28 02:48:50,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:48:50,479 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 9.1) internal successors, (91), 12 states have internal predecessors, (91), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) Word has length 153 [2024-11-28 02:48:50,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:50,483 INFO L225 Difference]: With dead ends: 1939 [2024-11-28 02:48:50,483 INFO L226 Difference]: Without dead ends: 957 [2024-11-28 02:48:50,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2024-11-28 02:48:50,485 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 354 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:50,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 570 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:48:50,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2024-11-28 02:48:50,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 933. [2024-11-28 02:48:50,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 790 states have (on average 1.2278481012658229) internal successors, (970), 796 states have internal predecessors, (970), 104 states have call successors, (104), 38 states have call predecessors, (104), 38 states have return successors, (104), 98 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-28 02:48:50,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1178 transitions. [2024-11-28 02:48:50,600 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1178 transitions. Word has length 153 [2024-11-28 02:48:50,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:50,600 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1178 transitions. [2024-11-28 02:48:50,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 9.1) internal successors, (91), 12 states have internal predecessors, (91), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 02:48:50,601 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1178 transitions. [2024-11-28 02:48:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-28 02:48:50,603 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:50,604 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:50,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-11-28 02:48:50,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:50,805 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:50,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:50,805 INFO L85 PathProgramCache]: Analyzing trace with hash 2122512015, now seen corresponding path program 1 times [2024-11-28 02:48:50,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:50,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [39181056] [2024-11-28 02:48:50,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:50,806 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:50,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:50,810 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:48:50,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-11-28 02:48:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:51,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 02:48:51,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:53,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 38 [2024-11-28 02:48:53,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:48:53,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 51 [2024-11-28 02:48:53,298 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 40 treesize of output 28 [2024-11-28 02:48:53,420 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 [2024-11-28 02:48:53,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2051 backedges. 21 proven. 1274 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2024-11-28 02:48:53,765 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:54,138 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:48:54,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2024-11-28 02:48:54,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-11-28 02:48:54,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 21 [2024-11-28 02:48:54,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 21 [2024-11-28 02:48:54,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-11-28 02:48:55,116 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:48:55,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-11-28 02:48:55,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2051 backedges. 18 proven. 142 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-28 02:48:55,315 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:55,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [39181056] [2024-11-28 02:48:55,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [39181056] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:48:55,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:48:55,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-28 02:48:55,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242885081] [2024-11-28 02:48:55,316 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:48:55,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 02:48:55,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:48:55,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 02:48:55,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:48:55,318 INFO L87 Difference]: Start difference. First operand 933 states and 1178 transitions. Second operand has 15 states, 13 states have (on average 15.846153846153847) internal successors, (206), 14 states have internal predecessors, (206), 6 states have call successors, (64), 5 states have call predecessors, (64), 6 states have return successors, (64), 4 states have call predecessors, (64), 6 states have call successors, (64) [2024-11-28 02:48:57,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:57,309 INFO L93 Difference]: Finished difference Result 2374 states and 2950 transitions. [2024-11-28 02:48:57,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 02:48:57,310 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 15.846153846153847) internal successors, (206), 14 states have internal predecessors, (206), 6 states have call successors, (64), 5 states have call predecessors, (64), 6 states have return successors, (64), 4 states have call predecessors, (64), 6 states have call successors, (64) Word has length 278 [2024-11-28 02:48:57,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:57,314 INFO L225 Difference]: With dead ends: 2374 [2024-11-28 02:48:57,314 INFO L226 Difference]: Without dead ends: 1657 [2024-11-28 02:48:57,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 543 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=357, Invalid=1049, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 02:48:57,316 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 874 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:57,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 850 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:48:57,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2024-11-28 02:48:57,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1183. [2024-11-28 02:48:57,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1015 states have (on average 1.2029556650246305) internal successors, (1221), 1022 states have internal predecessors, (1221), 122 states have call successors, (122), 45 states have call predecessors, (122), 45 states have return successors, (122), 115 states have call predecessors, (122), 122 states have call successors, (122) [2024-11-28 02:48:57,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1465 transitions. [2024-11-28 02:48:57,452 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1465 transitions. Word has length 278 [2024-11-28 02:48:57,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:57,453 INFO L471 AbstractCegarLoop]: Abstraction has 1183 states and 1465 transitions. [2024-11-28 02:48:57,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 15.846153846153847) internal successors, (206), 14 states have internal predecessors, (206), 6 states have call successors, (64), 5 states have call predecessors, (64), 6 states have return successors, (64), 4 states have call predecessors, (64), 6 states have call successors, (64) [2024-11-28 02:48:57,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1465 transitions. [2024-11-28 02:48:57,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-28 02:48:57,456 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:57,456 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:57,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2024-11-28 02:48:57,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:57,657 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:57,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:57,657 INFO L85 PathProgramCache]: Analyzing trace with hash -867883200, now seen corresponding path program 1 times [2024-11-28 02:48:57,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:57,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194687000] [2024-11-28 02:48:57,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:57,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:57,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:57,660 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:48:57,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-11-28 02:48:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:58,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 02:48:58,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:49:00,253 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 33 treesize of output 21 [2024-11-28 02:49:00,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:49:00,441 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 [2024-11-28 02:49:00,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2051 backedges. 31 proven. 1264 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2024-11-28 02:49:00,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:49:01,278 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 [2024-11-28 02:49:02,354 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:49:02,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-11-28 02:49:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2051 backedges. 28 proven. 132 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-28 02:49:02,583 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:49:02,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194687000] [2024-11-28 02:49:02,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194687000] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:49:02,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:49:02,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2024-11-28 02:49:02,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126178052] [2024-11-28 02:49:02,583 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:49:02,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 02:49:02,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:49:02,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 02:49:02,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:49:02,585 INFO L87 Difference]: Start difference. First operand 1183 states and 1465 transitions. Second operand has 16 states, 14 states have (on average 14.214285714285714) internal successors, (199), 15 states have internal predecessors, (199), 6 states have call successors, (64), 5 states have call predecessors, (64), 6 states have return successors, (64), 4 states have call predecessors, (64), 6 states have call successors, (64) [2024-11-28 02:49:03,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:49:03,899 INFO L93 Difference]: Finished difference Result 1546 states and 1895 transitions. [2024-11-28 02:49:03,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:49:03,900 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 14.214285714285714) internal successors, (199), 15 states have internal predecessors, (199), 6 states have call successors, (64), 5 states have call predecessors, (64), 6 states have return successors, (64), 4 states have call predecessors, (64), 6 states have call successors, (64) Word has length 281 [2024-11-28 02:49:03,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:49:03,903 INFO L225 Difference]: With dead ends: 1546 [2024-11-28 02:49:03,903 INFO L226 Difference]: Without dead ends: 684 [2024-11-28 02:49:03,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 547 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=199, Invalid=503, Unknown=0, NotChecked=0, Total=702 [2024-11-28 02:49:03,905 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 551 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:49:03,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 428 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:49:03,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-28 02:49:04,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 495. [2024-11-28 02:49:04,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 402 states have (on average 1.1592039800995024) internal successors, (466), 406 states have internal predecessors, (466), 68 states have call successors, (68), 24 states have call predecessors, (68), 24 states have return successors, (68), 64 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-28 02:49:04,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 602 transitions. [2024-11-28 02:49:04,030 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 602 transitions. Word has length 281 [2024-11-28 02:49:04,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:49:04,031 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 602 transitions. [2024-11-28 02:49:04,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 14.214285714285714) internal successors, (199), 15 states have internal predecessors, (199), 6 states have call successors, (64), 5 states have call predecessors, (64), 6 states have return successors, (64), 4 states have call predecessors, (64), 6 states have call successors, (64) [2024-11-28 02:49:04,031 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 602 transitions. [2024-11-28 02:49:04,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-28 02:49:04,033 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:49:04,034 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:49:04,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2024-11-28 02:49:04,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:49:04,235 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:49:04,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:49:04,236 INFO L85 PathProgramCache]: Analyzing trace with hash 334613766, now seen corresponding path program 1 times [2024-11-28 02:49:04,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:49:04,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55825190] [2024-11-28 02:49:04,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:49:04,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:49:04,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:49:04,239 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:49:04,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-11-28 02:49:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:49:05,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 02:49:05,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:49:06,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-28 02:49:06,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:49:08,261 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 85 treesize of output 65 [2024-11-28 02:49:08,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 62 [2024-11-28 02:49:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2057 backedges. 227 proven. 1275 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-11-28 02:49:08,384 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:49:09,948 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:49:09,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 48 [2024-11-28 02:49:11,240 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 10 treesize of output 6 [2024-11-28 02:49:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2057 backedges. 74 proven. 182 refuted. 0 times theorem prover too weak. 1801 trivial. 0 not checked. [2024-11-28 02:49:11,298 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:49:11,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55825190] [2024-11-28 02:49:11,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [55825190] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:49:11,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:49:11,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 28 [2024-11-28 02:49:11,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902413825] [2024-11-28 02:49:11,299 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:49:11,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-28 02:49:11,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:49:11,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-28 02:49:11,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=662, Unknown=0, NotChecked=0, Total=756 [2024-11-28 02:49:11,301 INFO L87 Difference]: Start difference. First operand 495 states and 602 transitions. Second operand has 28 states, 24 states have (on average 9.791666666666666) internal successors, (235), 27 states have internal predecessors, (235), 10 states have call successors, (64), 6 states have call predecessors, (64), 9 states have return successors, (64), 6 states have call predecessors, (64), 10 states have call successors, (64) [2024-11-28 02:49:12,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:49:12,957 INFO L93 Difference]: Finished difference Result 701 states and 842 transitions. [2024-11-28 02:49:12,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:49:12,958 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 24 states have (on average 9.791666666666666) internal successors, (235), 27 states have internal predecessors, (235), 10 states have call successors, (64), 6 states have call predecessors, (64), 9 states have return successors, (64), 6 states have call predecessors, (64), 10 states have call successors, (64) Word has length 286 [2024-11-28 02:49:12,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:49:12,961 INFO L225 Difference]: With dead ends: 701 [2024-11-28 02:49:12,961 INFO L226 Difference]: Without dead ends: 527 [2024-11-28 02:49:12,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 544 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=326, Invalid=1396, Unknown=0, NotChecked=0, Total=1722 [2024-11-28 02:49:12,962 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 388 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:49:12,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 1138 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:49:12,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2024-11-28 02:49:13,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 495. [2024-11-28 02:49:13,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 402 states have (on average 1.1592039800995024) internal successors, (466), 406 states have internal predecessors, (466), 68 states have call successors, (68), 24 states have call predecessors, (68), 24 states have return successors, (68), 64 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-28 02:49:13,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 602 transitions. [2024-11-28 02:49:13,085 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 602 transitions. Word has length 286 [2024-11-28 02:49:13,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:49:13,085 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 602 transitions. [2024-11-28 02:49:13,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 24 states have (on average 9.791666666666666) internal successors, (235), 27 states have internal predecessors, (235), 10 states have call successors, (64), 6 states have call predecessors, (64), 9 states have return successors, (64), 6 states have call predecessors, (64), 10 states have call successors, (64) [2024-11-28 02:49:13,086 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 602 transitions. [2024-11-28 02:49:13,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-28 02:49:13,088 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:49:13,088 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:49:13,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2024-11-28 02:49:13,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:49:13,289 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:49:13,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:49:13,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1331460042, now seen corresponding path program 1 times [2024-11-28 02:49:13,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:49:13,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756171114] [2024-11-28 02:49:13,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:49:13,290 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:49:13,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:49:13,292 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:49:13,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-28 02:49:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:49:13,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 02:49:13,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:49:15,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-28 02:49:15,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 02:49:16,928 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 [2024-11-28 02:49:16,973 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 33 treesize of output 21 [2024-11-28 02:49:17,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2057 backedges. 227 proven. 1275 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-11-28 02:49:17,165 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:49:19,207 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:49:19,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 59 [2024-11-28 02:49:20,628 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 10 treesize of output 6 [2024-11-28 02:49:20,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2057 backedges. 74 proven. 182 refuted. 0 times theorem prover too weak. 1801 trivial. 0 not checked. [2024-11-28 02:49:20,699 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:49:20,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756171114] [2024-11-28 02:49:20,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756171114] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:49:20,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:49:20,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 32 [2024-11-28 02:49:20,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015302654] [2024-11-28 02:49:20,700 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:49:20,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-28 02:49:20,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:49:20,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-28 02:49:20,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=888, Unknown=0, NotChecked=0, Total=992 [2024-11-28 02:49:20,702 INFO L87 Difference]: Start difference. First operand 495 states and 602 transitions. Second operand has 32 states, 28 states have (on average 8.535714285714286) internal successors, (239), 31 states have internal predecessors, (239), 10 states have call successors, (64), 6 states have call predecessors, (64), 9 states have return successors, (64), 6 states have call predecessors, (64), 10 states have call successors, (64) [2024-11-28 02:49:23,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:49:23,444 INFO L93 Difference]: Finished difference Result 680 states and 820 transitions. [2024-11-28 02:49:23,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 02:49:23,445 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 28 states have (on average 8.535714285714286) internal successors, (239), 31 states have internal predecessors, (239), 10 states have call successors, (64), 6 states have call predecessors, (64), 9 states have return successors, (64), 6 states have call predecessors, (64), 10 states have call successors, (64) Word has length 288 [2024-11-28 02:49:23,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:49:23,447 INFO L225 Difference]: With dead ends: 680 [2024-11-28 02:49:23,447 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 02:49:23,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 544 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=375, Invalid=1881, Unknown=0, NotChecked=0, Total=2256 [2024-11-28 02:49:23,448 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 345 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:49:23,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 1422 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 02:49:23,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 02:49:23,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 02:49:23,449 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) [2024-11-28 02:49:23,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:49:23,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 288 [2024-11-28 02:49:23,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:49:23,451 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:49:23,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 28 states have (on average 8.535714285714286) internal successors, (239), 31 states have internal predecessors, (239), 10 states have call successors, (64), 6 states have call predecessors, (64), 9 states have return successors, (64), 6 states have call predecessors, (64), 10 states have call successors, (64) [2024-11-28 02:49:23,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:49:23,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 02:49:23,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:49:23,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-11-28 02:49:23,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae4e5b9-9b15-42f7-b24f-144f14f42d8d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:49:23,662 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:49:23,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 02:49:36,783 WARN L286 SmtUtils]: Spent 8.86s on a formula simplification. DAG size of input: 189 DAG size of output: 135 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:49:43,973 WARN L286 SmtUtils]: Spent 7.18s on a formula simplification. DAG size of input: 242 DAG size of output: 150 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:49:50,260 WARN L286 SmtUtils]: Spent 6.25s on a formula simplification. DAG size of input: 207 DAG size of output: 162 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:50:51,015 WARN L286 SmtUtils]: Spent 1.01m on a formula simplification. DAG size of input: 235 DAG size of output: 181 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:51:08,010 WARN L286 SmtUtils]: Spent 9.04s on a formula simplification. DAG size of input: 189 DAG size of output: 153 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:55:38,855 WARN L286 SmtUtils]: Spent 4.50m on a formula simplification. DAG size of input: 246 DAG size of output: 203 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:55:46,295 WARN L286 SmtUtils]: Spent 7.41s on a formula simplification. DAG size of input: 242 DAG size of output: 187 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:56:44,498 WARN L286 SmtUtils]: Spent 57.47s on a formula simplification. DAG size of input: 235 DAG size of output: 204 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:56:54,504 WARN L286 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 207 DAG size of output: 181 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)