./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i --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_d7b49172-fbd8-4c87-8a74-e265024e6b88/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b49172-fbd8-4c87-8a74-e265024e6b88/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_d7b49172-fbd8-4c87-8a74-e265024e6b88/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b49172-fbd8-4c87-8a74-e265024e6b88/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b49172-fbd8-4c87-8a74-e265024e6b88/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_d7b49172-fbd8-4c87-8a74-e265024e6b88/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 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:38:29,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:38:29,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b49172-fbd8-4c87-8a74-e265024e6b88/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 05:38:29,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:38:29,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:38:29,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:38:29,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:38:29,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:38:29,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:38:29,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:38:29,447 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:38:29,448 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:38:29,448 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:38:29,448 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:38:29,448 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:38:29,449 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:38:29,449 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:38:29,449 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:38:29,449 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:38:29,449 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:38:29,450 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:38:29,450 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:38:29,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:38:29,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:38:29,451 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:38:29,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:38:29,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:38:29,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:38:29,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:38:29,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:38:29,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:38:29,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:38:29,452 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:38:29,452 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:38:29,453 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:38:29,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:38:29,454 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:38:29,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:38:29,454 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:38:29,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:38:29,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:38:29,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:38:29,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:38:29,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:38:29,455 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:38:29,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:38:29,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:38:29,456 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:38:29,456 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:38:29,456 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_d7b49172-fbd8-4c87-8a74-e265024e6b88/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 -> 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 [2024-11-14 05:38:29,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:38:29,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:38:29,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:38:29,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:38:29,923 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:38:29,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b49172-fbd8-4c87-8a74-e265024e6b88/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i Unable to find full path for "g++" [2024-11-14 05:38:32,386 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:38:32,809 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:38:32,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b49172-fbd8-4c87-8a74-e265024e6b88/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-11-14 05:38:32,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b49172-fbd8-4c87-8a74-e265024e6b88/bin/utaipan-verify-sOmjnqqW8E/data/5b53cd6d9/52a7dfe76f9a4ab0997d8346c1043976/FLAGf45c28e27 [2024-11-14 05:38:32,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b49172-fbd8-4c87-8a74-e265024e6b88/bin/utaipan-verify-sOmjnqqW8E/data/5b53cd6d9/52a7dfe76f9a4ab0997d8346c1043976 [2024-11-14 05:38:32,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:38:32,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:38:32,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:38:32,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:38:32,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:38:32,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:38:32" (1/1) ... [2024-11-14 05:38:32,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1febe734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:32, skipping insertion in model container [2024-11-14 05:38:32,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:38:32" (1/1) ... [2024-11-14 05:38:32,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:38:33,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:38:33,611 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:38:33,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:38:33,776 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:38:33,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:33 WrapperNode [2024-11-14 05:38:33,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:38:33,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:38:33,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:38:33,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:38:33,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:33" (1/1) ... [2024-11-14 05:38:33,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:33" (1/1) ... [2024-11-14 05:38:33,863 INFO L138 Inliner]: procedures = 168, calls = 56, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 205 [2024-11-14 05:38:33,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:38:33,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:38:33,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:38:33,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:38:33,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:33" (1/1) ... [2024-11-14 05:38:33,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:33" (1/1) ... [2024-11-14 05:38:33,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:33" (1/1) ... [2024-11-14 05:38:33,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:33" (1/1) ... [2024-11-14 05:38:33,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:33" (1/1) ... [2024-11-14 05:38:33,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:33" (1/1) ... [2024-11-14 05:38:33,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:33" (1/1) ... [2024-11-14 05:38:33,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:33" (1/1) ... [2024-11-14 05:38:33,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:38:33,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:38:33,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:38:33,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:38:33,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:33" (1/1) ... [2024-11-14 05:38:33,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:38:33,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b49172-fbd8-4c87-8a74-e265024e6b88/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:38:33,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b49172-fbd8-4c87-8a74-e265024e6b88/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:38:33,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b49172-fbd8-4c87-8a74-e265024e6b88/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:38:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 05:38:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:38:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-14 05:38:34,014 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-14 05:38:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 05:38:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:38:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 05:38:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:38:34,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:38:34,017 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 05:38:34,233 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:38:34,235 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:38:34,840 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 05:38:34,840 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:38:35,332 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:38:35,333 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:38:35,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:38:35 BoogieIcfgContainer [2024-11-14 05:38:35,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:38:35,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:38:35,338 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:38:35,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:38:35,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:38:32" (1/3) ... [2024-11-14 05:38:35,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6da7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:38:35, skipping insertion in model container [2024-11-14 05:38:35,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:33" (2/3) ... [2024-11-14 05:38:35,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6da7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:38:35, skipping insertion in model container [2024-11-14 05:38:35,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:38:35" (3/3) ... [2024-11-14 05:38:35,350 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-11-14 05:38:35,370 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:38:35,373 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i that has 2 procedures, 70 locations, 1 initial locations, 0 loop locations, and 12 error locations. [2024-11-14 05:38:35,374 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 05:38:35,468 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 05:38:35,522 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 75 transitions, 154 flow [2024-11-14 05:38:35,695 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1039 states, 991 states have (on average 2.182643794147326) internal successors, (2163), 1038 states have internal predecessors, (2163), 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) [2024-11-14 05:38:35,733 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:38:35,752 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;@2a29aff2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:38:35,752 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2024-11-14 05:38:35,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 1039 states, 991 states have (on average 2.182643794147326) internal successors, (2163), 1038 states have internal predecessors, (2163), 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) [2024-11-14 05:38:35,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 05:38:35,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:35,812 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:35,813 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 05:38:35,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:35,819 INFO L85 PathProgramCache]: Analyzing trace with hash -2080141532, now seen corresponding path program 1 times [2024-11-14 05:38:35,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:35,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77057274] [2024-11-14 05:38:35,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:35,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:36,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:36,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77057274] [2024-11-14 05:38:36,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77057274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:36,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:36,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:38:36,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595946773] [2024-11-14 05:38:36,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:36,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:38:36,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:36,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:38:36,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:38:36,320 INFO L87 Difference]: Start difference. First operand has 1039 states, 991 states have (on average 2.182643794147326) internal successors, (2163), 1038 states have internal predecessors, (2163), 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 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-14 05:38:36,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:36,594 INFO L93 Difference]: Finished difference Result 1563 states and 3203 transitions. [2024-11-14 05:38:36,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:38:36,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2024-11-14 05:38:36,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:36,627 INFO L225 Difference]: With dead ends: 1563 [2024-11-14 05:38:36,627 INFO L226 Difference]: Without dead ends: 975 [2024-11-14 05:38:36,634 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 [2024-11-14 05:38:36,638 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 47 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:36,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 66 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:38:36,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2024-11-14 05:38:36,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 975. [2024-11-14 05:38:36,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 941 states have (on average 2.124335812964931) internal successors, (1999), 974 states have internal predecessors, (1999), 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) [2024-11-14 05:38:36,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1999 transitions. [2024-11-14 05:38:36,795 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1999 transitions. Word has length 10 [2024-11-14 05:38:36,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:36,795 INFO L471 AbstractCegarLoop]: Abstraction has 975 states and 1999 transitions. [2024-11-14 05:38:36,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-14 05:38:36,796 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1999 transitions. [2024-11-14 05:38:36,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 05:38:36,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:36,800 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:36,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:38:36,802 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 05:38:36,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:36,803 INFO L85 PathProgramCache]: Analyzing trace with hash -59877444, now seen corresponding path program 1 times [2024-11-14 05:38:36,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:36,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426037397] [2024-11-14 05:38:36,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:36,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:37,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:37,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426037397] [2024-11-14 05:38:37,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426037397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:37,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:37,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:38:37,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044851314] [2024-11-14 05:38:37,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:37,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:38:37,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:37,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:38:37,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:38:37,031 INFO L87 Difference]: Start difference. First operand 975 states and 1999 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-14 05:38:37,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:37,257 INFO L93 Difference]: Finished difference Result 975 states and 1999 transitions. [2024-11-14 05:38:37,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:38:37,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2024-11-14 05:38:37,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:37,266 INFO L225 Difference]: With dead ends: 975 [2024-11-14 05:38:37,267 INFO L226 Difference]: Without dead ends: 943 [2024-11-14 05:38:37,268 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 [2024-11-14 05:38:37,269 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 45 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:37,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 66 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:38:37,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2024-11-14 05:38:37,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 943. [2024-11-14 05:38:37,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 916 states have (on average 2.1102620087336246) internal successors, (1933), 942 states have internal predecessors, (1933), 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) [2024-11-14 05:38:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1933 transitions. [2024-11-14 05:38:37,325 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1933 transitions. Word has length 11 [2024-11-14 05:38:37,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:37,325 INFO L471 AbstractCegarLoop]: Abstraction has 943 states and 1933 transitions. [2024-11-14 05:38:37,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-14 05:38:37,326 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1933 transitions. [2024-11-14 05:38:37,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-14 05:38:37,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:37,328 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:37,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:38:37,329 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 05:38:37,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:37,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1707312922, now seen corresponding path program 1 times [2024-11-14 05:38:37,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:37,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906375697] [2024-11-14 05:38:37,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:37,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:37,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:37,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906375697] [2024-11-14 05:38:37,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906375697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:37,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:37,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:38:37,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778381425] [2024-11-14 05:38:37,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:37,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:38:37,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:37,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:38:37,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:38:37,604 INFO L87 Difference]: Start difference. First operand 943 states and 1933 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-14 05:38:37,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:37,791 INFO L93 Difference]: Finished difference Result 1627 states and 3303 transitions. [2024-11-14 05:38:37,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:38:37,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2024-11-14 05:38:37,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:37,802 INFO L225 Difference]: With dead ends: 1627 [2024-11-14 05:38:37,803 INFO L226 Difference]: Without dead ends: 943 [2024-11-14 05:38:37,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:38:37,807 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 36 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:37,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 77 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:38:37,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2024-11-14 05:38:37,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 943. [2024-11-14 05:38:37,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 916 states have (on average 2.0753275109170306) internal successors, (1901), 942 states have internal predecessors, (1901), 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) [2024-11-14 05:38:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1901 transitions. [2024-11-14 05:38:37,853 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1901 transitions. Word has length 13 [2024-11-14 05:38:37,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:37,853 INFO L471 AbstractCegarLoop]: Abstraction has 943 states and 1901 transitions. [2024-11-14 05:38:37,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-14 05:38:37,854 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1901 transitions. [2024-11-14 05:38:37,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 05:38:37,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:37,855 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:37,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:38:37,856 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 05:38:37,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:37,856 INFO L85 PathProgramCache]: Analyzing trace with hash -673607386, now seen corresponding path program 1 times [2024-11-14 05:38:37,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:37,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239522563] [2024-11-14 05:38:37,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:37,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:38,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:38,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:38,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239522563] [2024-11-14 05:38:38,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239522563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:38,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:38,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:38:38,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131857934] [2024-11-14 05:38:38,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:38,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:38:38,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:38,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:38:38,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:38:38,004 INFO L87 Difference]: Start difference. First operand 943 states and 1901 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-14 05:38:38,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:38,181 INFO L93 Difference]: Finished difference Result 1403 states and 2804 transitions. [2024-11-14 05:38:38,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:38:38,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2024-11-14 05:38:38,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:38,190 INFO L225 Difference]: With dead ends: 1403 [2024-11-14 05:38:38,190 INFO L226 Difference]: Without dead ends: 815 [2024-11-14 05:38:38,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:38:38,194 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 32 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:38,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 65 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:38:38,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-14 05:38:38,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 815. [2024-11-14 05:38:38,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 796 states have (on average 2.0314070351758793) internal successors, (1617), 814 states have internal predecessors, (1617), 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) [2024-11-14 05:38:38,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1617 transitions. [2024-11-14 05:38:38,238 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1617 transitions. Word has length 15 [2024-11-14 05:38:38,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:38,238 INFO L471 AbstractCegarLoop]: Abstraction has 815 states and 1617 transitions. [2024-11-14 05:38:38,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-14 05:38:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1617 transitions. [2024-11-14 05:38:38,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 05:38:38,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:38,246 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:38,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 05:38:38,246 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 05:38:38,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:38,247 INFO L85 PathProgramCache]: Analyzing trace with hash -353127255, now seen corresponding path program 1 times [2024-11-14 05:38:38,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:38,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618879685] [2024-11-14 05:38:38,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:38,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:38,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:38,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:38,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618879685] [2024-11-14 05:38:38,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618879685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:38,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:38,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:38:38,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222076671] [2024-11-14 05:38:38,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:38,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:38:38,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:38,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:38:38,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:38:38,410 INFO L87 Difference]: Start difference. First operand 815 states and 1617 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-14 05:38:38,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:38,649 INFO L93 Difference]: Finished difference Result 815 states and 1617 transitions. [2024-11-14 05:38:38,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:38:38,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2024-11-14 05:38:38,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:38,658 INFO L225 Difference]: With dead ends: 815 [2024-11-14 05:38:38,658 INFO L226 Difference]: Without dead ends: 787 [2024-11-14 05:38:38,659 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 [2024-11-14 05:38:38,661 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 70 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:38,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 80 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:38:38,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2024-11-14 05:38:38,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 787. [2024-11-14 05:38:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 773 states have (on average 2.0181112548512288) internal successors, (1560), 786 states have internal predecessors, (1560), 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) [2024-11-14 05:38:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1560 transitions. [2024-11-14 05:38:38,699 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1560 transitions. Word has length 15 [2024-11-14 05:38:38,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:38,699 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1560 transitions. [2024-11-14 05:38:38,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-14 05:38:38,700 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1560 transitions. [2024-11-14 05:38:38,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 05:38:38,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:38,702 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:38,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:38:38,703 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 05:38:38,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:38,706 INFO L85 PathProgramCache]: Analyzing trace with hash -353126202, now seen corresponding path program 1 times [2024-11-14 05:38:38,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:38,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535268186] [2024-11-14 05:38:38,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:38,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:38,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:38,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:38,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535268186] [2024-11-14 05:38:38,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535268186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:38,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:38,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:38:38,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690002610] [2024-11-14 05:38:38,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:38,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:38:38,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:38,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:38:38,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:38:38,898 INFO L87 Difference]: Start difference. First operand 787 states and 1560 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-11-14 05:38:39,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:39,161 INFO L93 Difference]: Finished difference Result 787 states and 1560 transitions. [2024-11-14 05:38:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:38:39,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 15 [2024-11-14 05:38:39,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:39,172 INFO L225 Difference]: With dead ends: 787 [2024-11-14 05:38:39,173 INFO L226 Difference]: Without dead ends: 703 [2024-11-14 05:38:39,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:38:39,176 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 98 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:39,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 98 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:38:39,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-11-14 05:38:39,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 703. [2024-11-14 05:38:39,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 694 states have (on average 2.0014409221902016) internal successors, (1389), 702 states have internal predecessors, (1389), 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) [2024-11-14 05:38:39,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1389 transitions. [2024-11-14 05:38:39,207 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1389 transitions. Word has length 15 [2024-11-14 05:38:39,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:39,208 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 1389 transitions. [2024-11-14 05:38:39,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-11-14 05:38:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1389 transitions. [2024-11-14 05:38:39,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-14 05:38:39,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:39,210 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:39,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 05:38:39,211 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 05:38:39,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:39,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1937957584, now seen corresponding path program 1 times [2024-11-14 05:38:39,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:39,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011350352] [2024-11-14 05:38:39,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:39,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:39,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:39,451 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:39,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011350352] [2024-11-14 05:38:39,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011350352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:39,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:39,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:38:39,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412605474] [2024-11-14 05:38:39,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:39,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:38:39,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:39,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:38:39,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:38:39,453 INFO L87 Difference]: Start difference. First operand 703 states and 1389 transitions. Second operand has 5 states, 4 states have (on average 4.0) 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) [2024-11-14 05:38:39,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:39,691 INFO L93 Difference]: Finished difference Result 703 states and 1389 transitions. [2024-11-14 05:38:39,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:38:39,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) 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 [2024-11-14 05:38:39,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:39,701 INFO L225 Difference]: With dead ends: 703 [2024-11-14 05:38:39,701 INFO L226 Difference]: Without dead ends: 597 [2024-11-14 05:38:39,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:38:39,706 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 79 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:39,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 81 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:38:39,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-14 05:38:39,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2024-11-14 05:38:39,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 593 states have (on average 1.9713322091062395) internal successors, (1169), 596 states have internal predecessors, (1169), 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) [2024-11-14 05:38:39,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 1169 transitions. [2024-11-14 05:38:39,735 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 1169 transitions. Word has length 16 [2024-11-14 05:38:39,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:39,736 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 1169 transitions. [2024-11-14 05:38:39,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) 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) [2024-11-14 05:38:39,737 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1169 transitions. [2024-11-14 05:38:39,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-14 05:38:39,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:39,738 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:39,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 05:38:39,738 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 05:38:39,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:39,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1203353642, now seen corresponding path program 1 times [2024-11-14 05:38:39,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:39,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877867484] [2024-11-14 05:38:39,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:39,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:39,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:39,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877867484] [2024-11-14 05:38:39,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877867484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:39,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:39,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:38:39,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239924417] [2024-11-14 05:38:39,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:39,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:38:39,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:39,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:38:39,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:38:39,826 INFO L87 Difference]: Start difference. First operand 597 states and 1169 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-14 05:38:39,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:39,958 INFO L93 Difference]: Finished difference Result 597 states and 1169 transitions. [2024-11-14 05:38:39,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:38:39,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2024-11-14 05:38:39,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:39,964 INFO L225 Difference]: With dead ends: 597 [2024-11-14 05:38:39,965 INFO L226 Difference]: Without dead ends: 570 [2024-11-14 05:38:39,965 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 [2024-11-14 05:38:39,966 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 34 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:39,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 31 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:38:39,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-11-14 05:38:40,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2024-11-14 05:38:40,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 567 states have (on average 1.9682539682539681) internal successors, (1116), 569 states have internal predecessors, (1116), 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) [2024-11-14 05:38:40,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 1116 transitions. [2024-11-14 05:38:40,015 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 1116 transitions. Word has length 17 [2024-11-14 05:38:40,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:40,016 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 1116 transitions. [2024-11-14 05:38:40,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-14 05:38:40,017 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1116 transitions. [2024-11-14 05:38:40,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-14 05:38:40,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:40,018 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:40,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 05:38:40,018 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 05:38:40,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:40,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1350743103, now seen corresponding path program 1 times [2024-11-14 05:38:40,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:40,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859840345] [2024-11-14 05:38:40,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:40,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:40,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:40,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859840345] [2024-11-14 05:38:40,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859840345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:40,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:40,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:38:40,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119781785] [2024-11-14 05:38:40,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:40,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:38:40,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:40,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:38:40,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:38:40,221 INFO L87 Difference]: Start difference. First operand 570 states and 1116 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-11-14 05:38:40,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:40,578 INFO L93 Difference]: Finished difference Result 900 states and 1761 transitions. [2024-11-14 05:38:40,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:38:40,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2024-11-14 05:38:40,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:40,586 INFO L225 Difference]: With dead ends: 900 [2024-11-14 05:38:40,586 INFO L226 Difference]: Without dead ends: 846 [2024-11-14 05:38:40,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:38:40,590 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 136 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:40,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 96 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 05:38:40,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-14 05:38:40,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 802. [2024-11-14 05:38:40,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 799 states have (on average 1.9912390488110137) internal successors, (1591), 801 states have internal predecessors, (1591), 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) [2024-11-14 05:38:40,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1591 transitions. [2024-11-14 05:38:40,629 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1591 transitions. Word has length 18 [2024-11-14 05:38:40,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:40,630 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 1591 transitions. [2024-11-14 05:38:40,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-11-14 05:38:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1591 transitions. [2024-11-14 05:38:40,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 05:38:40,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:40,631 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:40,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 05:38:40,632 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 05:38:40,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:40,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1076637453, now seen corresponding path program 1 times [2024-11-14 05:38:40,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:40,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974946875] [2024-11-14 05:38:40,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:40,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:40,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:40,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974946875] [2024-11-14 05:38:40,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974946875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:40,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:40,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:38:40,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640656798] [2024-11-14 05:38:40,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:40,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:38:40,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:40,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:38:40,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:38:40,783 INFO L87 Difference]: Start difference. First operand 802 states and 1591 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-14 05:38:41,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:41,003 INFO L93 Difference]: Finished difference Result 976 states and 1905 transitions. [2024-11-14 05:38:41,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:38:41,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2024-11-14 05:38:41,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:41,011 INFO L225 Difference]: With dead ends: 976 [2024-11-14 05:38:41,011 INFO L226 Difference]: Without dead ends: 780 [2024-11-14 05:38:41,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:38:41,013 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 62 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:41,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 56 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:38:41,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2024-11-14 05:38:41,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 780. [2024-11-14 05:38:41,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 778 states have (on average 1.9267352185089974) internal successors, (1499), 779 states have internal predecessors, (1499), 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) [2024-11-14 05:38:41,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1499 transitions. [2024-11-14 05:38:41,062 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1499 transitions. Word has length 19 [2024-11-14 05:38:41,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:41,062 INFO L471 AbstractCegarLoop]: Abstraction has 780 states and 1499 transitions. [2024-11-14 05:38:41,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-14 05:38:41,066 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1499 transitions. [2024-11-14 05:38:41,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-14 05:38:41,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:41,067 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] [2024-11-14 05:38:41,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 05:38:41,068 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 05:38:41,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:41,068 INFO L85 PathProgramCache]: Analyzing trace with hash -407976088, now seen corresponding path program 1 times [2024-11-14 05:38:41,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:41,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719306701] [2024-11-14 05:38:41,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:41,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:41,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:41,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719306701] [2024-11-14 05:38:41,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719306701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:41,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:41,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:38:41,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016540783] [2024-11-14 05:38:41,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:41,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:38:41,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:41,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:38:41,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:38:41,202 INFO L87 Difference]: Start difference. First operand 780 states and 1499 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-14 05:38:41,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:41,400 INFO L93 Difference]: Finished difference Result 780 states and 1499 transitions. [2024-11-14 05:38:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:38:41,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2024-11-14 05:38:41,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:41,406 INFO L225 Difference]: With dead ends: 780 [2024-11-14 05:38:41,406 INFO L226 Difference]: Without dead ends: 429 [2024-11-14 05:38:41,407 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 [2024-11-14 05:38:41,408 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 55 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:41,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 48 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:38:41,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-14 05:38:41,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-11-14 05:38:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 428 states have (on average 1.8925233644859814) internal successors, (810), 428 states have internal predecessors, (810), 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) [2024-11-14 05:38:41,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 810 transitions. [2024-11-14 05:38:41,427 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 810 transitions. Word has length 21 [2024-11-14 05:38:41,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:41,427 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 810 transitions. [2024-11-14 05:38:41,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-14 05:38:41,428 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 810 transitions. [2024-11-14 05:38:41,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 05:38:41,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:41,429 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] [2024-11-14 05:38:41,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 05:38:41,430 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 05:38:41,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:41,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1395580252, now seen corresponding path program 1 times [2024-11-14 05:38:41,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:41,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862940775] [2024-11-14 05:38:41,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:41,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:41,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:41,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:41,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862940775] [2024-11-14 05:38:41,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862940775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:41,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:41,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:38:41,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749182490] [2024-11-14 05:38:41,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:41,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:38:41,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:41,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:38:41,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:38:41,698 INFO L87 Difference]: Start difference. First operand 429 states and 810 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-11-14 05:38:42,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:42,109 INFO L93 Difference]: Finished difference Result 597 states and 1120 transitions. [2024-11-14 05:38:42,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 05:38:42,110 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 25 [2024-11-14 05:38:42,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:42,113 INFO L225 Difference]: With dead ends: 597 [2024-11-14 05:38:42,114 INFO L226 Difference]: Without dead ends: 333 [2024-11-14 05:38:42,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-14 05:38:42,117 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 122 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:42,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 120 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 05:38:42,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-14 05:38:42,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2024-11-14 05:38:42,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 332 states have (on average 1.8614457831325302) internal successors, (618), 332 states have internal predecessors, (618), 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) [2024-11-14 05:38:42,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 618 transitions. [2024-11-14 05:38:42,132 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 618 transitions. Word has length 25 [2024-11-14 05:38:42,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:42,132 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 618 transitions. [2024-11-14 05:38:42,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-11-14 05:38:42,133 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 618 transitions. [2024-11-14 05:38:42,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-14 05:38:42,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:42,137 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] [2024-11-14 05:38:42,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 05:38:42,138 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 05:38:42,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:42,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1162307579, now seen corresponding path program 1 times [2024-11-14 05:38:42,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:42,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412859807] [2024-11-14 05:38:42,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:42,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:42,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:42,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:42,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412859807] [2024-11-14 05:38:42,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412859807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:42,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:42,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 05:38:42,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524304689] [2024-11-14 05:38:42,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:42,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:38:42,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:42,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:38:42,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:38:42,457 INFO L87 Difference]: Start difference. First operand 333 states and 618 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-14 05:38:42,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:42,687 INFO L93 Difference]: Finished difference Result 453 states and 836 transitions. [2024-11-14 05:38:42,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:38:42,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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 33 [2024-11-14 05:38:42,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:42,692 INFO L225 Difference]: With dead ends: 453 [2024-11-14 05:38:42,692 INFO L226 Difference]: Without dead ends: 285 [2024-11-14 05:38:42,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:38:42,693 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 33 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:42,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 62 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:38:42,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-14 05:38:42,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2024-11-14 05:38:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 284 states have (on average 1.8380281690140845) internal successors, (522), 284 states have internal predecessors, (522), 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) [2024-11-14 05:38:42,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 522 transitions. [2024-11-14 05:38:42,707 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 522 transitions. Word has length 33 [2024-11-14 05:38:42,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:42,707 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 522 transitions. [2024-11-14 05:38:42,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-14 05:38:42,708 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 522 transitions. [2024-11-14 05:38:42,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-14 05:38:42,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:42,712 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] [2024-11-14 05:38:42,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 05:38:42,713 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-14 05:38:42,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:42,713 INFO L85 PathProgramCache]: Analyzing trace with hash -888619300, now seen corresponding path program 1 times [2024-11-14 05:38:42,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:42,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15582216] [2024-11-14 05:38:42,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:42,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:43,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:43,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:43,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15582216] [2024-11-14 05:38:43,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15582216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:43,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:43,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 05:38:43,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076434084] [2024-11-14 05:38:43,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:43,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 05:38:43,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:43,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 05:38:43,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-14 05:38:43,066 INFO L87 Difference]: Start difference. First operand 285 states and 522 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 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) [2024-11-14 05:38:43,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:43,385 INFO L93 Difference]: Finished difference Result 285 states and 522 transitions. [2024-11-14 05:38:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 05:38:43,386 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 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 [2024-11-14 05:38:43,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:43,389 INFO L225 Difference]: With dead ends: 285 [2024-11-14 05:38:43,389 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 05:38:43,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-14 05:38:43,391 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 134 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:43,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 65 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:38:43,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 05:38:43,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 05:38:43,392 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) [2024-11-14 05:38:43,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 05:38:43,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2024-11-14 05:38:43,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:43,393 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 05:38:43,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 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) [2024-11-14 05:38:43,395 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 05:38:43,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 05:38:43,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 19 remaining) [2024-11-14 05:38:43,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 19 remaining) [2024-11-14 05:38:43,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 19 remaining) [2024-11-14 05:38:43,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 19 remaining) [2024-11-14 05:38:43,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 19 remaining) [2024-11-14 05:38:43,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 19 remaining) [2024-11-14 05:38:43,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 19 remaining) [2024-11-14 05:38:43,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 19 remaining) [2024-11-14 05:38:43,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 19 remaining) [2024-11-14 05:38:43,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 19 remaining) [2024-11-14 05:38:43,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 19 remaining) [2024-11-14 05:38:43,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 19 remaining) [2024-11-14 05:38:43,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 19 remaining) [2024-11-14 05:38:43,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 19 remaining) [2024-11-14 05:38:43,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 19 remaining) [2024-11-14 05:38:43,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 19 remaining) [2024-11-14 05:38:43,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 19 remaining) [2024-11-14 05:38:43,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 19 remaining) [2024-11-14 05:38:43,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 19 remaining) [2024-11-14 05:38:43,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 05:38:43,410 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:43,417 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 05:38:43,418 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:38:43,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:38:43 BasicIcfg [2024-11-14 05:38:43,424 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:38:43,424 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:38:43,424 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:38:43,425 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:38:43,426 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:38:35" (3/4) ... [2024-11-14 05:38:43,428 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 05:38:43,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-14 05:38:43,438 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2024-11-14 05:38:43,439 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-14 05:38:43,439 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-14 05:38:43,439 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 05:38:43,541 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b49172-fbd8-4c87-8a74-e265024e6b88/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:38:43,541 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b49172-fbd8-4c87-8a74-e265024e6b88/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 05:38:43,541 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:38:43,542 INFO L158 Benchmark]: Toolchain (without parser) took 10686.12ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.8MB in the beginning and 54.5MB in the end (delta: 37.4MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2024-11-14 05:38:43,543 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:38:43,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 921.06ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 70.6MB in the end (delta: 21.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 05:38:43,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.52ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 68.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:38:43,544 INFO L158 Benchmark]: Boogie Preprocessor took 56.03ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 66.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:38:43,544 INFO L158 Benchmark]: RCFGBuilder took 1412.33ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 55.5MB in the end (delta: 11.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-11-14 05:38:43,545 INFO L158 Benchmark]: TraceAbstraction took 8085.89ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 55.0MB in the beginning and 59.7MB in the end (delta: -4.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-14 05:38:43,545 INFO L158 Benchmark]: Witness Printer took 117.01ms. Allocated memory is still 142.6MB. Free memory was 59.7MB in the beginning and 54.5MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:38:43,547 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 921.06ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 70.6MB in the end (delta: 21.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.52ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 68.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.03ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 66.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1412.33ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 55.5MB in the end (delta: 11.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8085.89ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 55.0MB in the beginning and 59.7MB in the end (delta: -4.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Witness Printer took 117.01ms. Allocated memory is still 142.6MB. Free memory was 59.7MB in the beginning and 54.5MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: 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 3 procedures, 103 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 983 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 983 mSDsluCounter, 1011 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 538 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2029 IncrementalHoareTripleChecker+Invalid, 2047 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 473 mSDtfsCounter, 2029 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1039occurred in iteration=0, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 706 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 05:38:43,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7b49172-fbd8-4c87-8a74-e265024e6b88/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