./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/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_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/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_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/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 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:39:15,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:39:15,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-13 23:39:15,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:39:15,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:39:15,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:39:15,715 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:39:15,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:39:15,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:39:15,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:39:15,716 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:39:15,716 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:39:15,716 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:39:15,716 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:39:15,716 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:39:15,716 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:39:15,716 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:39:15,716 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:39:15,717 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:39:15,717 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:39:15,717 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:39:15,717 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:39:15,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:39:15,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:39:15,722 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:39:15,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:39:15,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:39:15,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:39:15,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:39:15,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:39:15,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:39:15,723 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:39:15,723 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:39:15,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:39:15,723 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:39:15,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:39:15,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:39:15,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:39:15,724 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:39:15,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:39:15,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:39:15,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:39:15,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:39:15,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:39:15,726 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:39:15,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:39:15,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:39:15,726 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:39:15,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:39:15,727 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_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/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 -> 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 [2024-11-13 23:39:16,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:39:16,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:39:16,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:39:16,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:39:16,144 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:39:16,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c Unable to find full path for "g++" [2024-11-13 23:39:18,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:39:18,809 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:39:18,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c [2024-11-13 23:39:18,821 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/data/32cdbc8ba/ec9088d7e1c44b708aaf8fcf2e0af2cd/FLAG9dcae6c4b [2024-11-13 23:39:18,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/data/32cdbc8ba/ec9088d7e1c44b708aaf8fcf2e0af2cd [2024-11-13 23:39:18,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:39:18,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:39:18,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:39:18,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:39:18,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:39:18,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:39:18" (1/1) ... [2024-11-13 23:39:18,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db130a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:18, skipping insertion in model container [2024-11-13 23:39:18,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:39:18" (1/1) ... [2024-11-13 23:39:18,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:39:19,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:39:19,302 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:39:19,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:39:19,446 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:39:19,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:19 WrapperNode [2024-11-13 23:39:19,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:39:19,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:39:19,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:39:19,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:39:19,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:19" (1/1) ... [2024-11-13 23:39:19,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:19" (1/1) ... [2024-11-13 23:39:19,617 INFO L138 Inliner]: procedures = 25, calls = 440, calls flagged for inlining = 101, calls inlined = 145, statements flattened = 2572 [2024-11-13 23:39:19,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:39:19,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:39:19,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:39:19,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:39:19,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:19" (1/1) ... [2024-11-13 23:39:19,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:19" (1/1) ... [2024-11-13 23:39:19,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:19" (1/1) ... [2024-11-13 23:39:19,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:19" (1/1) ... [2024-11-13 23:39:19,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:19" (1/1) ... [2024-11-13 23:39:19,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:19" (1/1) ... [2024-11-13 23:39:19,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:19" (1/1) ... [2024-11-13 23:39:19,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:19" (1/1) ... [2024-11-13 23:39:19,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:39:19,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:39:19,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:39:19,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:39:19,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:19" (1/1) ... [2024-11-13 23:39:19,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:39:19,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:19,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:39:19,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:39:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:39:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 23:39:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 23:39:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 23:39:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 23:39:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 23:39:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 23:39:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:39:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:39:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 23:39:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 23:39:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:39:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:39:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:39:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:39:19,931 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 23:39:20,343 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:39:20,346 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:39:24,463 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 23:39:24,463 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:39:29,832 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:39:29,833 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-13 23:39:29,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:29 BoogieIcfgContainer [2024-11-13 23:39:29,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:39:29,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:39:29,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:39:29,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:39:29,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:39:18" (1/3) ... [2024-11-13 23:39:29,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2d5b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:39:29, skipping insertion in model container [2024-11-13 23:39:29,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:19" (2/3) ... [2024-11-13 23:39:29,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2d5b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:39:29, skipping insertion in model container [2024-11-13 23:39:29,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:29" (3/3) ... [2024-11-13 23:39:29,851 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2024-11-13 23:39:29,869 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:39:29,871 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-subst.wvr.c that has 4 procedures, 222 locations, 1 initial locations, 18 loop locations, and 102 error locations. [2024-11-13 23:39:29,872 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 23:39:31,425 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-13 23:39:31,475 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 231 places, 263 transitions, 547 flow [2024-11-13 23:39:42,510 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 256970 states, 237264 states have (on average 4.346150279857037) internal successors, (1031185), 256969 states have internal predecessors, (1031185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:39:42,582 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:39:42,622 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;@39b40398, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:39:42,622 INFO L334 AbstractCegarLoop]: Starting to check reachability of 183 error locations. [2024-11-13 23:39:42,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 256970 states, 237264 states have (on average 4.346150279857037) internal successors, (1031185), 256969 states have internal predecessors, (1031185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:39:42,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 23:39:42,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:42,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-13 23:39:42,971 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2024-11-13 23:39:42,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:42,977 INFO L85 PathProgramCache]: Analyzing trace with hash 8506552, now seen corresponding path program 1 times [2024-11-13 23:39:42,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:39:42,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937875739] [2024-11-13 23:39:42,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:42,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:39:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:43,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:39:43,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:39:43,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937875739] [2024-11-13 23:39:43,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937875739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:39:43,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:39:43,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:39:43,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454572714] [2024-11-13 23:39:43,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:39:43,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:39:43,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:39:43,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:39:43,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:39:43,976 INFO L87 Difference]: Start difference. First operand has 256970 states, 237264 states have (on average 4.346150279857037) internal successors, (1031185), 256969 states have internal predecessors, (1031185), 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 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:39:52,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:39:52,819 INFO L93 Difference]: Finished difference Result 349028 states and 1458973 transitions. [2024-11-13 23:39:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:39:52,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-11-13 23:39:52,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:39:55,678 INFO L225 Difference]: With dead ends: 349028 [2024-11-13 23:39:55,679 INFO L226 Difference]: Without dead ends: 142364 [2024-11-13 23:39:56,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:39:56,075 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 36 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:39:56,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 60 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 23:39:56,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142364 states. [2024-11-13 23:40:02,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142364 to 142364. [2024-11-13 23:40:03,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142364 states, 136509 states have (on average 4.145316426023193) internal successors, (565873), 142363 states have internal predecessors, (565873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142364 states to 142364 states and 565873 transitions. [2024-11-13 23:40:05,615 INFO L78 Accepts]: Start accepts. Automaton has 142364 states and 565873 transitions. Word has length 3 [2024-11-13 23:40:05,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:05,615 INFO L471 AbstractCegarLoop]: Abstraction has 142364 states and 565873 transitions. [2024-11-13 23:40:05,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:05,616 INFO L276 IsEmpty]: Start isEmpty. Operand 142364 states and 565873 transitions. [2024-11-13 23:40:05,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:40:05,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:05,617 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2024-11-13 23:40:05,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:40:05,617 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2024-11-13 23:40:05,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:05,618 INFO L85 PathProgramCache]: Analyzing trace with hash 24062333, now seen corresponding path program 1 times [2024-11-13 23:40:05,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:05,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704622392] [2024-11-13 23:40:05,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:05,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:05,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:05,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704622392] [2024-11-13 23:40:05,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704622392] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:40:05,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882575706] [2024-11-13 23:40:05,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:05,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:05,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:40:05,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:40:05,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:40:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:07,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:40:07,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:40:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:07,114 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:40:07,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882575706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:40:07,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:40:07,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-13 23:40:07,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816997487] [2024-11-13 23:40:07,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:40:07,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:40:07,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:07,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:40:07,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 23:40:07,123 INFO L87 Difference]: Start difference. First operand 142364 states and 565873 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:10,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:10,890 INFO L93 Difference]: Finished difference Result 142364 states and 565873 transitions. [2024-11-13 23:40:10,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:40:10,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 6 [2024-11-13 23:40:10,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:13,105 INFO L225 Difference]: With dead ends: 142364 [2024-11-13 23:40:13,105 INFO L226 Difference]: Without dead ends: 142352 [2024-11-13 23:40:13,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-13 23:40:13,154 INFO L432 NwaCegarLoop]: 0 mSDtfsCounter, 107 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:13,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 0 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 23:40:13,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142352 states. [2024-11-13 23:40:18,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142352 to 142352. [2024-11-13 23:40:18,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142352 states, 136509 states have (on average 4.1452285197313) internal successors, (565861), 142351 states have internal predecessors, (565861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:19,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142352 states to 142352 states and 565861 transitions. [2024-11-13 23:40:20,256 INFO L78 Accepts]: Start accepts. Automaton has 142352 states and 565861 transitions. Word has length 6 [2024-11-13 23:40:20,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:20,256 INFO L471 AbstractCegarLoop]: Abstraction has 142352 states and 565861 transitions. [2024-11-13 23:40:20,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:40:20,256 INFO L276 IsEmpty]: Start isEmpty. Operand 142352 states and 565861 transitions. [2024-11-13 23:40:20,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:40:20,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:20,257 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2024-11-13 23:40:20,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:40:20,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:20,458 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2024-11-13 23:40:20,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:20,461 INFO L85 PathProgramCache]: Analyzing trace with hash 745940827, now seen corresponding path program 1 times [2024-11-13 23:40:20,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:20,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791182927] [2024-11-13 23:40:20,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:20,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:20,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:20,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791182927] [2024-11-13 23:40:20,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791182927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:40:20,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987714005] [2024-11-13 23:40:20,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:20,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:20,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:40:20,725 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:40:20,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee40c1b-ccc0-4fbd-9821-4ff5dd8415cb/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 23:40:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:21,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:40:21,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:40:21,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:21,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:40:21,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:21,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987714005] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:40:21,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [152181668] [2024-11-13 23:40:21,816 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Construction of path programs is not yet supported for concurrent programs at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:259) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 23:40:21,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:40:21,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-13 23:40:21,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84827824] [2024-11-13 23:40:21,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:40:21,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 23:40:21,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:21,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 23:40:21,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 23:40:21,828 INFO L87 Difference]: Start difference. First operand 142352 states and 565861 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2024-11-13 23:40:26,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:26,735 INFO L93 Difference]: Finished difference Result 142472 states and 566041 transitions. [2024-11-13 23:40:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 23:40:26,736 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 7 [2024-11-13 23:40:26,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:28,076 INFO L225 Difference]: With dead ends: 142472 [2024-11-13 23:40:28,076 INFO L226 Difference]: Without dead ends: 142460 [2024-11-13 23:40:28,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-11-13 23:40:28,127 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 208 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:28,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 60 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-13 23:40:28,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142460 states.