./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad6b8e6072d4c534442fdbffe3152158d5d2614d02df79d5ef08cd921f0d4751 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:35:50,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:35:50,809 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-13 23:35:50,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:35:50,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:35:50,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:35:50,861 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:35:50,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:35:50,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:35:50,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:35:50,863 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:35:50,863 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:35:50,863 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:35:50,864 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:35:50,864 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:35:50,864 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:35:50,865 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:35:50,866 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:35:50,866 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:35:50,866 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:35:50,866 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:35:50,866 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:35:50,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:35:50,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:35:50,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:35:50,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:35:50,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:35:50,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:35:50,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:35:50,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:35:50,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:35:50,868 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:35:50,868 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:35:50,868 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:35:50,868 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:35:50,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:35:50,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:35:50,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:35:50,870 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:35:50,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:35:50,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:35:50,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:35:50,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:35:50,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:35:50,871 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:35:50,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:35:50,871 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:35:50,872 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:35:50,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:35:50,872 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E 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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> ad6b8e6072d4c534442fdbffe3152158d5d2614d02df79d5ef08cd921f0d4751 [2024-11-13 23:35:51,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:35:51,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:35:51,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:35:51,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:35:51,192 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:35:51,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c Unable to find full path for "g++" [2024-11-13 23:35:53,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:35:53,623 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:35:53,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2024-11-13 23:35:53,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/data/a1d7ad835/aa3c66ae41194e48826c84e02c6d617e/FLAG5854a13a7 [2024-11-13 23:35:53,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/data/a1d7ad835/aa3c66ae41194e48826c84e02c6d617e [2024-11-13 23:35:53,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:35:53,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:35:53,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:35:53,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:35:53,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:35:53,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:35:53" (1/1) ... [2024-11-13 23:35:53,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e9e00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:35:53, skipping insertion in model container [2024-11-13 23:35:53,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:35:53" (1/1) ... [2024-11-13 23:35:53,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:35:53,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:35:53,949 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:35:53,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:35:54,005 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:35:54,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:35:54 WrapperNode [2024-11-13 23:35:54,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:35:54,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:35:54,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:35:54,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:35:54,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:35:54" (1/1) ... [2024-11-13 23:35:54,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:35:54" (1/1) ... [2024-11-13 23:35:54,069 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 190 [2024-11-13 23:35:54,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:35:54,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:35:54,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:35:54,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:35:54,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:35:54" (1/1) ... [2024-11-13 23:35:54,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:35:54" (1/1) ... [2024-11-13 23:35:54,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:35:54" (1/1) ... [2024-11-13 23:35:54,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:35:54" (1/1) ... [2024-11-13 23:35:54,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:35:54" (1/1) ... [2024-11-13 23:35:54,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:35:54" (1/1) ... [2024-11-13 23:35:54,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:35:54" (1/1) ... [2024-11-13 23:35:54,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:35:54" (1/1) ... [2024-11-13 23:35:54,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:35:54,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:35:54,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:35:54,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:35:54,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:35:54" (1/1) ... [2024-11-13 23:35:54,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:35:54,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:35:54,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:35:54,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:35:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:35:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 23:35:54,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 23:35:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 23:35:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 23:35:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 23:35:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 23:35:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-13 23:35:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-13 23:35:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:35:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:35:54,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:35:54,213 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 23:35:54,356 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:35:54,358 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:35:54,772 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 23:35:54,773 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:35:55,044 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:35:55,045 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:35:55,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:35:55 BoogieIcfgContainer [2024-11-13 23:35:55,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:35:55,048 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:35:55,049 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:35:55,055 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:35:55,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:35:53" (1/3) ... [2024-11-13 23:35:55,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d4df76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:35:55, skipping insertion in model container [2024-11-13 23:35:55,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:35:54" (2/3) ... [2024-11-13 23:35:55,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d4df76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:35:55, skipping insertion in model container [2024-11-13 23:35:55,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:35:55" (3/3) ... [2024-11-13 23:35:55,058 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2024-11-13 23:35:55,078 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:35:55,080 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-ticket-4.wvr.c that has 5 procedures, 71 locations, 1 initial locations, 0 loop locations, and 16 error locations. [2024-11-13 23:35:55,080 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 23:35:55,190 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-13 23:35:55,240 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 73 transitions, 174 flow [2024-11-13 23:35:58,251 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 47088 states, 46464 states have (on average 4.40719696969697) internal successors, (204776), 47087 states have internal predecessors, (204776), 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) [2024-11-13 23:35:58,285 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:35:58,303 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=FINITE_AUTOMATA, 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;@35584852, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:35:58,304 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-11-13 23:35:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 47088 states, 46464 states have (on average 4.40719696969697) internal successors, (204776), 47087 states have internal predecessors, (204776), 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) [2024-11-13 23:35:58,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:58,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:35:58,408 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:35:58,409 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-13 23:35:58,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:35:58,417 INFO L85 PathProgramCache]: Analyzing trace with hash 473808465, now seen corresponding path program 1 times [2024-11-13 23:35:58,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:35:58,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120538236] [2024-11-13 23:35:58,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:35:58,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:35:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:58,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:35:58,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:35:58,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120538236] [2024-11-13 23:35:58,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120538236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:35:58,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:35:58,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:35:58,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725041562] [2024-11-13 23:35:58,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:35:58,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:35:58,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:35:58,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:35:58,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:35:58,967 INFO L87 Difference]: Start difference. First operand has 47088 states, 46464 states have (on average 4.40719696969697) internal successors, (204776), 47087 states have internal predecessors, (204776), 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) Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-13 23:36:00,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:36:00,865 INFO L93 Difference]: Finished difference Result 47088 states and 204776 transitions. [2024-11-13 23:36:00,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:36:00,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12 [2024-11-13 23:36:00,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:36:01,616 INFO L225 Difference]: With dead ends: 47088 [2024-11-13 23:36:01,617 INFO L226 Difference]: Without dead ends: 33635 [2024-11-13 23:36:01,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:36:01,696 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 50 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:36:01,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 21 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:36:01,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33635 states. [2024-11-13 23:36:04,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33635 to 33635. [2024-11-13 23:36:04,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33635 states, 33380 states have (on average 4.367465548232475) internal successors, (145786), 33634 states have internal predecessors, (145786), 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) [2024-11-13 23:36:04,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33635 states to 33635 states and 145786 transitions. [2024-11-13 23:36:04,768 INFO L78 Accepts]: Start accepts. Automaton has 33635 states and 145786 transitions. Word has length 12 [2024-11-13 23:36:04,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:36:04,768 INFO L471 AbstractCegarLoop]: Abstraction has 33635 states and 145786 transitions. [2024-11-13 23:36:04,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-13 23:36:04,770 INFO L276 IsEmpty]: Start isEmpty. Operand 33635 states and 145786 transitions. [2024-11-13 23:36:04,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:04,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:36:04,771 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:36:04,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:36:04,773 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-13 23:36:04,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:36:04,776 INFO L85 PathProgramCache]: Analyzing trace with hash 473808466, now seen corresponding path program 1 times [2024-11-13 23:36:04,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:36:04,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751996170] [2024-11-13 23:36:04,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:36:04,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:36:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:05,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:36:05,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:36:05,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751996170] [2024-11-13 23:36:05,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751996170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:36:05,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:36:05,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:36:05,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109629928] [2024-11-13 23:36:05,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:36:05,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:36:05,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:36:05,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:36:05,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:36:05,010 INFO L87 Difference]: Start difference. First operand 33635 states and 145786 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-13 23:36:06,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:36:06,437 INFO L93 Difference]: Finished difference Result 43796 states and 181380 transitions. [2024-11-13 23:36:06,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:36:06,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12 [2024-11-13 23:36:06,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:36:06,964 INFO L225 Difference]: With dead ends: 43796 [2024-11-13 23:36:06,964 INFO L226 Difference]: Without dead ends: 33455 [2024-11-13 23:36:06,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:36:06,997 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 12 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:36:06,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 36 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:36:07,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33455 states. [2024-11-13 23:36:08,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33455 to 33455. [2024-11-13 23:36:08,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33455 states, 33201 states have (on average 4.36779012680341) internal successors, (145015), 33454 states have internal predecessors, (145015), 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) [2024-11-13 23:36:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33455 states to 33455 states and 145015 transitions. [2024-11-13 23:36:08,885 INFO L78 Accepts]: Start accepts. Automaton has 33455 states and 145015 transitions. Word has length 12 [2024-11-13 23:36:08,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:36:08,886 INFO L471 AbstractCegarLoop]: Abstraction has 33455 states and 145015 transitions. [2024-11-13 23:36:08,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-13 23:36:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand 33455 states and 145015 transitions. [2024-11-13 23:36:08,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:36:08,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:36:08,888 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:36:08,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 23:36:08,889 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-13 23:36:08,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:36:08,890 INFO L85 PathProgramCache]: Analyzing trace with hash 786620900, now seen corresponding path program 1 times [2024-11-13 23:36:08,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:36:08,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874664141] [2024-11-13 23:36:08,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:36:08,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:36:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:09,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:36:09,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:36:09,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874664141] [2024-11-13 23:36:09,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874664141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:36:09,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:36:09,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:36:09,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109463997] [2024-11-13 23:36:09,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:36:09,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:36:09,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:36:09,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:36:09,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:36:09,119 INFO L87 Difference]: Start difference. First operand 33455 states and 145015 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-13 23:36:09,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:36:09,838 INFO L93 Difference]: Finished difference Result 42109 states and 175059 transitions. [2024-11-13 23:36:09,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:36:09,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) Word has length 16 [2024-11-13 23:36:09,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:36:10,616 INFO L225 Difference]: With dead ends: 42109 [2024-11-13 23:36:10,617 INFO L226 Difference]: Without dead ends: 31948 [2024-11-13 23:36:10,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:36:10,642 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 52 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:36:10,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 53 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:36:10,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31948 states. [2024-11-13 23:36:11,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31948 to 31948. [2024-11-13 23:36:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31948 states, 31706 states have (on average 4.367028322714943) internal successors, (138461), 31947 states have internal predecessors, (138461), 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) [2024-11-13 23:36:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31948 states to 31948 states and 138461 transitions. [2024-11-13 23:36:12,016 INFO L78 Accepts]: Start accepts. Automaton has 31948 states and 138461 transitions. Word has length 16 [2024-11-13 23:36:12,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:36:12,017 INFO L471 AbstractCegarLoop]: Abstraction has 31948 states and 138461 transitions. [2024-11-13 23:36:12,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-13 23:36:12,017 INFO L276 IsEmpty]: Start isEmpty. Operand 31948 states and 138461 transitions. [2024-11-13 23:36:12,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:36:12,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:36:12,019 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:36:12,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 23:36:12,020 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-13 23:36:12,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:36:12,020 INFO L85 PathProgramCache]: Analyzing trace with hash 816651989, now seen corresponding path program 1 times [2024-11-13 23:36:12,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:36:12,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357034980] [2024-11-13 23:36:12,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:36:12,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:36:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:12,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:36:12,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:36:12,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357034980] [2024-11-13 23:36:12,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357034980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:36:12,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:36:12,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:36:12,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902261398] [2024-11-13 23:36:12,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:36:12,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:36:12,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:36:12,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:36:12,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:36:12,141 INFO L87 Difference]: Start difference. First operand 31948 states and 138461 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-13 23:36:12,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:36:12,482 INFO L93 Difference]: Finished difference Result 31948 states and 138461 transitions. [2024-11-13 23:36:12,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:36:12,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) Word has length 16 [2024-11-13 23:36:12,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:36:13,051 INFO L225 Difference]: With dead ends: 31948 [2024-11-13 23:36:13,051 INFO L226 Difference]: Without dead ends: 21793 [2024-11-13 23:36:13,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:36:13,071 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 40 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:36:13,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 22 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:36:13,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21793 states. [2024-11-13 23:36:13,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21793 to 21793. [2024-11-13 23:36:13,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21793 states, 21722 states have (on average 4.329573704078814) internal successors, (94047), 21792 states have internal predecessors, (94047), 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) [2024-11-13 23:36:14,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21793 states to 21793 states and 94047 transitions. [2024-11-13 23:36:14,102 INFO L78 Accepts]: Start accepts. Automaton has 21793 states and 94047 transitions. Word has length 16 [2024-11-13 23:36:14,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:36:14,102 INFO L471 AbstractCegarLoop]: Abstraction has 21793 states and 94047 transitions. [2024-11-13 23:36:14,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-13 23:36:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 21793 states and 94047 transitions. [2024-11-13 23:36:14,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:36:14,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:36:14,103 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:36:14,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 23:36:14,104 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-13 23:36:14,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:36:14,105 INFO L85 PathProgramCache]: Analyzing trace with hash 816651990, now seen corresponding path program 1 times [2024-11-13 23:36:14,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:36:14,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012315151] [2024-11-13 23:36:14,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:36:14,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:36:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:36:14,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:36:14,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012315151] [2024-11-13 23:36:14,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012315151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:36:14,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:36:14,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:36:14,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472165656] [2024-11-13 23:36:14,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:36:14,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:36:14,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:36:14,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:36:14,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:36:14,223 INFO L87 Difference]: Start difference. First operand 21793 states and 94047 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-13 23:36:14,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:36:14,610 INFO L93 Difference]: Finished difference Result 25784 states and 106518 transitions. [2024-11-13 23:36:14,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:36:14,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) Word has length 16 [2024-11-13 23:36:14,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:36:14,761 INFO L225 Difference]: With dead ends: 25784 [2024-11-13 23:36:14,761 INFO L226 Difference]: Without dead ends: 18219 [2024-11-13 23:36:14,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:36:14,787 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 29 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:36:14,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 37 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:36:14,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18219 states. [2024-11-13 23:36:15,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18219 to 18219. [2024-11-13 23:36:15,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18219 states, 18159 states have (on average 4.245057547221763) internal successors, (77086), 18218 states have internal predecessors, (77086), 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) [2024-11-13 23:36:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18219 states to 18219 states and 77086 transitions. [2024-11-13 23:36:15,565 INFO L78 Accepts]: Start accepts. Automaton has 18219 states and 77086 transitions. Word has length 16 [2024-11-13 23:36:15,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:36:15,565 INFO L471 AbstractCegarLoop]: Abstraction has 18219 states and 77086 transitions. [2024-11-13 23:36:15,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-13 23:36:15,565 INFO L276 IsEmpty]: Start isEmpty. Operand 18219 states and 77086 transitions. [2024-11-13 23:36:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:36:15,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:36:15,569 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:36:15,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 23:36:15,569 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-13 23:36:15,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:36:15,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1164187348, now seen corresponding path program 1 times [2024-11-13 23:36:15,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:36:15,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764988103] [2024-11-13 23:36:15,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:36:15,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:36:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:36:16,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:36:16,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764988103] [2024-11-13 23:36:16,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764988103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:36:16,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:36:16,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:36:16,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194539077] [2024-11-13 23:36:16,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:36:16,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:36:16,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:36:16,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:36:16,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:36:16,024 INFO L87 Difference]: Start difference. First operand 18219 states and 77086 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-11-13 23:36:16,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:36:16,372 INFO L93 Difference]: Finished difference Result 20637 states and 84996 transitions. [2024-11-13 23:36:16,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:36:16,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) Word has length 20 [2024-11-13 23:36:16,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:36:16,518 INFO L225 Difference]: With dead ends: 20637 [2024-11-13 23:36:16,518 INFO L226 Difference]: Without dead ends: 15469 [2024-11-13 23:36:16,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:36:16,537 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 79 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:36:16,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 70 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:36:16,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15469 states. [2024-11-13 23:36:16,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15469 to 15469. [2024-11-13 23:36:16,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15469 states, 15427 states have (on average 4.228106566409542) internal successors, (65227), 15468 states have internal predecessors, (65227), 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) [2024-11-13 23:36:16,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15469 states to 15469 states and 65227 transitions. [2024-11-13 23:36:17,027 INFO L78 Accepts]: Start accepts. Automaton has 15469 states and 65227 transitions. Word has length 20 [2024-11-13 23:36:17,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:36:17,029 INFO L471 AbstractCegarLoop]: Abstraction has 15469 states and 65227 transitions. [2024-11-13 23:36:17,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-11-13 23:36:17,029 INFO L276 IsEmpty]: Start isEmpty. Operand 15469 states and 65227 transitions. [2024-11-13 23:36:17,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:36:17,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:36:17,035 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:36:17,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 23:36:17,036 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-13 23:36:17,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:36:17,036 INFO L85 PathProgramCache]: Analyzing trace with hash -542656675, now seen corresponding path program 1 times [2024-11-13 23:36:17,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:36:17,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104112986] [2024-11-13 23:36:17,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:36:17,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:36:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:17,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:36:17,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:36:17,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104112986] [2024-11-13 23:36:17,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104112986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:36:17,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:36:17,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:36:17,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416866022] [2024-11-13 23:36:17,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:36:17,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:36:17,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:36:17,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:36:17,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:36:17,148 INFO L87 Difference]: Start difference. First operand 15469 states and 65227 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-13 23:36:17,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:36:17,460 INFO L93 Difference]: Finished difference Result 16399 states and 67630 transitions. [2024-11-13 23:36:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:36:17,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) Word has length 23 [2024-11-13 23:36:17,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:36:17,872 INFO L225 Difference]: With dead ends: 16399 [2024-11-13 23:36:17,872 INFO L226 Difference]: Without dead ends: 12687 [2024-11-13 23:36:17,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:36:17,879 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 85 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:36:17,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 52 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:36:17,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12687 states. [2024-11-13 23:36:18,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12687 to 12687. [2024-11-13 23:36:18,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12687 states, 12661 states have (on average 4.232525077008135) internal successors, (53588), 12686 states have internal predecessors, (53588), 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) [2024-11-13 23:36:18,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12687 states to 12687 states and 53588 transitions. [2024-11-13 23:36:18,315 INFO L78 Accepts]: Start accepts. Automaton has 12687 states and 53588 transitions. Word has length 23 [2024-11-13 23:36:18,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:36:18,315 INFO L471 AbstractCegarLoop]: Abstraction has 12687 states and 53588 transitions. [2024-11-13 23:36:18,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-13 23:36:18,316 INFO L276 IsEmpty]: Start isEmpty. Operand 12687 states and 53588 transitions. [2024-11-13 23:36:18,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:36:18,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:36:18,321 INFO L215 NwaCegarLoop]: trace 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] [2024-11-13 23:36:18,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 23:36:18,321 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-13 23:36:18,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:36:18,322 INFO L85 PathProgramCache]: Analyzing trace with hash 561173577, now seen corresponding path program 1 times [2024-11-13 23:36:18,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:36:18,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536796902] [2024-11-13 23:36:18,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:36:18,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:36:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:36:18,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:36:18,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536796902] [2024-11-13 23:36:18,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536796902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:36:18,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:36:18,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:36:18,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694866890] [2024-11-13 23:36:18,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:36:18,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:36:18,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:36:18,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:36:18,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:36:18,475 INFO L87 Difference]: Start difference. First operand 12687 states and 53588 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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) [2024-11-13 23:36:18,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:36:18,837 INFO L93 Difference]: Finished difference Result 12687 states and 53588 transitions. [2024-11-13 23:36:18,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:36:18,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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) Word has length 24 [2024-11-13 23:36:18,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:36:18,933 INFO L225 Difference]: With dead ends: 12687 [2024-11-13 23:36:18,933 INFO L226 Difference]: Without dead ends: 10728 [2024-11-13 23:36:18,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:36:18,943 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 143 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:36:18,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 79 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:36:18,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10728 states. [2024-11-13 23:36:19,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10728 to 10728. [2024-11-13 23:36:19,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10728 states, 10718 states have (on average 4.2147788766560925) internal successors, (45174), 10727 states have internal predecessors, (45174), 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) [2024-11-13 23:36:19,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10728 states to 10728 states and 45174 transitions. [2024-11-13 23:36:19,526 INFO L78 Accepts]: Start accepts. Automaton has 10728 states and 45174 transitions. Word has length 24 [2024-11-13 23:36:19,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:36:19,527 INFO L471 AbstractCegarLoop]: Abstraction has 10728 states and 45174 transitions. [2024-11-13 23:36:19,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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) [2024-11-13 23:36:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand 10728 states and 45174 transitions. [2024-11-13 23:36:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:36:19,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:36:19,553 INFO L215 NwaCegarLoop]: trace 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] [2024-11-13 23:36:19,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 23:36:19,553 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-13 23:36:19,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:36:19,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1694664544, now seen corresponding path program 1 times [2024-11-13 23:36:19,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:36:19,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520043596] [2024-11-13 23:36:19,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:36:19,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:36:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:36:19,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:36:19,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520043596] [2024-11-13 23:36:19,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520043596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:36:19,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:36:19,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:36:19,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639744875] [2024-11-13 23:36:19,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:36:19,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:36:19,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:36:19,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:36:19,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:36:19,710 INFO L87 Difference]: Start difference. First operand 10728 states and 45174 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-11-13 23:36:19,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:36:19,977 INFO L93 Difference]: Finished difference Result 10809 states and 45333 transitions. [2024-11-13 23:36:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:36:19,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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) Word has length 30 [2024-11-13 23:36:19,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:36:20,074 INFO L225 Difference]: With dead ends: 10809 [2024-11-13 23:36:20,074 INFO L226 Difference]: Without dead ends: 9989 [2024-11-13 23:36:20,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:36:20,081 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 110 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:36:20,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 70 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:36:20,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9989 states. [2024-11-13 23:36:20,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9989 to 9989. [2024-11-13 23:36:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9989 states, 9985 states have (on average 4.258387581372058) internal successors, (42520), 9988 states have internal predecessors, (42520), 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) [2024-11-13 23:36:20,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9989 states to 9989 states and 42520 transitions. [2024-11-13 23:36:20,358 INFO L78 Accepts]: Start accepts. Automaton has 9989 states and 42520 transitions. Word has length 30 [2024-11-13 23:36:20,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:36:20,359 INFO L471 AbstractCegarLoop]: Abstraction has 9989 states and 42520 transitions. [2024-11-13 23:36:20,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-11-13 23:36:20,359 INFO L276 IsEmpty]: Start isEmpty. Operand 9989 states and 42520 transitions. [2024-11-13 23:36:20,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:36:20,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:36:20,393 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:36:20,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 23:36:20,393 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2024-11-13 23:36:20,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:36:20,393 INFO L85 PathProgramCache]: Analyzing trace with hash -64860630, now seen corresponding path program 1 times [2024-11-13 23:36:20,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:36:20,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540494890] [2024-11-13 23:36:20,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:36:20,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:36:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:36:20,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:36:20,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540494890] [2024-11-13 23:36:20,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540494890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:36:20,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:36:20,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:36:20,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90959328] [2024-11-13 23:36:20,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:36:20,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:36:20,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:36:20,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:36:20,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:36:20,578 INFO L87 Difference]: Start difference. First operand 9989 states and 42520 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-11-13 23:36:20,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:36:20,840 INFO L93 Difference]: Finished difference Result 9989 states and 42520 transitions. [2024-11-13 23:36:20,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:36:20,840 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) Word has length 37 [2024-11-13 23:36:20,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:36:20,884 INFO L225 Difference]: With dead ends: 9989 [2024-11-13 23:36:20,885 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 23:36:20,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:36:20,899 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 147 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:36:20,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 70 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:36:20,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 23:36:20,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 23:36:20,900 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) [2024-11-13 23:36:20,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 23:36:20,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2024-11-13 23:36:20,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:36:20,936 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 23:36:20,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-11-13 23:36:20,936 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 23:36:20,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:36:20,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 36 remaining) [2024-11-13 23:36:20,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 36 remaining) [2024-11-13 23:36:20,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 36 remaining) [2024-11-13 23:36:20,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 36 remaining) [2024-11-13 23:36:20,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 36 remaining) [2024-11-13 23:36:20,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 36 remaining) [2024-11-13 23:36:20,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 36 remaining) [2024-11-13 23:36:20,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 36 remaining) [2024-11-13 23:36:20,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 36 remaining) [2024-11-13 23:36:20,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 36 remaining) [2024-11-13 23:36:20,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 36 remaining) [2024-11-13 23:36:20,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 36 remaining) [2024-11-13 23:36:20,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 36 remaining) [2024-11-13 23:36:20,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 36 remaining) [2024-11-13 23:36:20,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 36 remaining) [2024-11-13 23:36:20,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 36 remaining) [2024-11-13 23:36:20,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 36 remaining) [2024-11-13 23:36:20,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 36 remaining) [2024-11-13 23:36:20,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 36 remaining) [2024-11-13 23:36:20,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 36 remaining) [2024-11-13 23:36:20,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 36 remaining) [2024-11-13 23:36:20,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 36 remaining) [2024-11-13 23:36:20,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 36 remaining) [2024-11-13 23:36:20,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 36 remaining) [2024-11-13 23:36:20,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 36 remaining) [2024-11-13 23:36:20,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 36 remaining) [2024-11-13 23:36:20,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 36 remaining) [2024-11-13 23:36:20,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 36 remaining) [2024-11-13 23:36:20,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 36 remaining) [2024-11-13 23:36:20,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 36 remaining) [2024-11-13 23:36:20,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 36 remaining) [2024-11-13 23:36:20,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 36 remaining) [2024-11-13 23:36:20,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 36 remaining) [2024-11-13 23:36:20,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 36 remaining) [2024-11-13 23:36:20,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 36 remaining) [2024-11-13 23:36:20,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 36 remaining) [2024-11-13 23:36:20,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 23:36:20,949 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:36:20,955 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 23:36:20,955 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:36:20,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:36:20 BasicIcfg [2024-11-13 23:36:20,963 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:36:20,964 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:36:20,964 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:36:20,964 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:36:20,965 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:35:55" (3/4) ... [2024-11-13 23:36:20,971 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:36:20,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 23:36:20,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 23:36:20,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-13 23:36:20,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-13 23:36:20,986 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2024-11-13 23:36:20,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-13 23:36:20,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 23:36:20,992 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:36:21,091 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-13 23:36:21,091 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-13 23:36:21,091 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:36:21,093 INFO L158 Benchmark]: Toolchain (without parser) took 27434.75ms. Allocated memory was 142.6MB in the beginning and 9.3GB in the end (delta: 9.2GB). Free memory was 119.1MB in the beginning and 7.5GB in the end (delta: -7.4GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-13 23:36:21,097 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:36:21,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.74ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:36:21,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.32ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 105.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:36:21,098 INFO L158 Benchmark]: Boogie Preprocessor took 50.17ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:36:21,098 INFO L158 Benchmark]: RCFGBuilder took 920.81ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 64.2MB in the end (delta: 40.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:36:21,098 INFO L158 Benchmark]: TraceAbstraction took 25914.99ms. Allocated memory was 142.6MB in the beginning and 9.3GB in the end (delta: 9.2GB). Free memory was 63.5MB in the beginning and 7.5GB in the end (delta: -7.5GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-13 23:36:21,098 INFO L158 Benchmark]: Witness Printer took 128.07ms. Allocated memory is still 9.3GB. Free memory was 7.5GB in the beginning and 7.5GB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:36:21,100 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.74ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.32ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 105.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.17ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 920.81ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 64.2MB in the end (delta: 40.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 25914.99ms. Allocated memory was 142.6MB in the beginning and 9.3GB in the end (delta: 9.2GB). Free memory was 63.5MB in the beginning and 7.5GB in the end (delta: -7.5GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 128.07ms. Allocated memory is still 9.3GB. Free memory was 7.5GB in the beginning and 7.5GB in the end (delta: 4.2MB). 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 - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 123 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 25.7s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 747 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 747 mSDsluCounter, 510 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 320 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1000 IncrementalHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 190 mSDtfsCounter, 1000 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47088occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 23:36:21,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d542d14-70d7-49ee-9516-3947a69229f0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE