./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:02:45,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:02:45,389 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-06 13:02:45,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:02:45,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:02:45,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:02:45,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:02:45,406 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:02:45,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:02:45,406 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:02:45,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:02:45,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:02:45,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:02:45,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:02:45,407 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:02:45,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:02:45,407 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:02:45,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:02:45,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:02:45,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:02:45,407 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 13:02:45,407 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 13:02:45,407 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-06 13:02:45,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:02:45,407 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 13:02:45,407 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:02:45,408 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:02:45,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:02:45,408 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 [2025-02-06 13:02:45,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:02:45,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:02:45,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:02:45,618 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:02:45,618 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:02:45,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c [2025-02-06 13:02:46,819 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/85754c057/e2100fd011784cfd97f394341bb1b513/FLAG98e3ee77e [2025-02-06 13:02:47,129 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:02:47,130 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c [2025-02-06 13:02:47,139 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/85754c057/e2100fd011784cfd97f394341bb1b513/FLAG98e3ee77e [2025-02-06 13:02:47,422 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/85754c057/e2100fd011784cfd97f394341bb1b513 [2025-02-06 13:02:47,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:02:47,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:02:47,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:02:47,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:02:47,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:02:47,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:02:47" (1/1) ... [2025-02-06 13:02:47,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d8bddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47, skipping insertion in model container [2025-02-06 13:02:47,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:02:47" (1/1) ... [2025-02-06 13:02:47,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:02:47,614 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 13:02:47,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:02:47,630 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:02:47,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:02:47,741 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:02:47,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47 WrapperNode [2025-02-06 13:02:47,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:02:47,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:02:47,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:02:47,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:02:47,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47" (1/1) ... [2025-02-06 13:02:47,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47" (1/1) ... [2025-02-06 13:02:47,854 INFO L138 Inliner]: procedures = 25, calls = 440, calls flagged for inlining = 101, calls inlined = 145, statements flattened = 2350 [2025-02-06 13:02:47,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:02:47,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:02:47,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:02:47,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:02:47,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47" (1/1) ... [2025-02-06 13:02:47,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47" (1/1) ... [2025-02-06 13:02:47,882 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47" (1/1) ... [2025-02-06 13:02:47,919 INFO L175 MemorySlicer]: Split 278 memory accesses to 2 slices as follows [2, 276]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 12 writes are split as follows [0, 12]. [2025-02-06 13:02:47,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47" (1/1) ... [2025-02-06 13:02:47,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47" (1/1) ... [2025-02-06 13:02:47,976 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47" (1/1) ... [2025-02-06 13:02:47,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47" (1/1) ... [2025-02-06 13:02:47,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47" (1/1) ... [2025-02-06 13:02:47,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47" (1/1) ... [2025-02-06 13:02:48,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:02:48,010 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:02:48,010 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:02:48,010 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:02:48,015 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47" (1/1) ... [2025-02-06 13:02:48,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:02:48,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:02:48,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 13:02:48,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 13:02:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:02:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 13:02:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 13:02:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 13:02:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 13:02:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-06 13:02:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-06 13:02:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:02:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 13:02:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 13:02:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 13:02:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-06 13:02:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-06 13:02:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 13:02:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:02:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:02:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 13:02:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 13:02:48,063 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 13:02:48,247 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:02:48,249 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:02:50,321 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 13:02:50,321 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:02:53,990 WARN L170 LargeBlockEncoding]: Complex 2:15 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 13:02:54,067 WARN L170 LargeBlockEncoding]: Complex 2:17 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 13:02:54,106 WARN L170 LargeBlockEncoding]: Complex 2:17 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 13:02:54,158 WARN L170 LargeBlockEncoding]: Complex 2:23 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 13:02:54,354 WARN L170 LargeBlockEncoding]: Complex 2:23 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 13:02:54,452 WARN L170 LargeBlockEncoding]: Complex 2:23 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 13:02:54,528 WARN L170 LargeBlockEncoding]: Complex 2:23 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 13:02:54,627 WARN L170 LargeBlockEncoding]: Complex 2:17 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 13:02:54,666 WARN L170 LargeBlockEncoding]: Complex 2:17 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 13:02:54,727 WARN L170 LargeBlockEncoding]: Complex 2:23 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 13:02:54,804 WARN L170 LargeBlockEncoding]: Complex 2:23 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 13:02:54,903 WARN L170 LargeBlockEncoding]: Complex 2:17 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 13:02:54,942 WARN L170 LargeBlockEncoding]: Complex 2:17 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 13:02:55,158 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:02:55,163 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:02:55,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:02:55 BoogieIcfgContainer [2025-02-06 13:02:55,163 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:02:55,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:02:55,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:02:55,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:02:55,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:02:47" (1/3) ... [2025-02-06 13:02:55,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d2614a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:02:55, skipping insertion in model container [2025-02-06 13:02:55,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:02:47" (2/3) ... [2025-02-06 13:02:55,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d2614a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:02:55, skipping insertion in model container [2025-02-06 13:02:55,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:02:55" (3/3) ... [2025-02-06 13:02:55,172 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2025-02-06 13:02:55,187 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:02:55,188 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-subst.wvr.c that has 4 procedures, 664 locations, 1 initial locations, 18 loop locations, and 554 error locations. [2025-02-06 13:02:55,189 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 13:02:57,661 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-06 13:02:57,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 673 places, 960 transitions, 1941 flow [2025-02-06 13:02:58,129 INFO L124 PetriNetUnfolderBase]: 297/957 cut-off events. [2025-02-06 13:02:58,132 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-06 13:02:58,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 970 conditions, 957 events. 297/957 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 6996 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 891. Up to 8 conditions per place. [2025-02-06 13:02:58,179 INFO L82 GeneralOperation]: Start removeDead. Operand has 673 places, 960 transitions, 1941 flow [2025-02-06 13:02:58,412 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 669 places, 956 transitions, 1930 flow [2025-02-06 13:02:58,421 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:02:58,440 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@194d53d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:02:58,440 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1085 error locations. [2025-02-06 13:02:58,456 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 13:02:58,456 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2025-02-06 13:02:58,456 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 13:02:58,456 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 13:02:58,457 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2025-02-06 13:02:58,457 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err35REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1082 more)] === [2025-02-06 13:02:58,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:02:58,464 INFO L85 PathProgramCache]: Analyzing trace with hash 9376401, now seen corresponding path program 1 times [2025-02-06 13:02:58,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:02:58,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345729874] [2025-02-06 13:02:58,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:02:58,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:02:58,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 13:02:58,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 13:02:58,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:02:58,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:02:58,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:02:58,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:02:58,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345729874] [2025-02-06 13:02:58,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345729874] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:02:58,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:02:58,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-06 13:02:58,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408629326] [2025-02-06 13:02:58,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:02:58,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:02:58,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:02:58,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:02:58,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:02:58,784 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 960 [2025-02-06 13:02:58,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 956 transitions, 1930 flow. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2025-02-06 13:02:58,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 13:02:58,786 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 960 [2025-02-06 13:02:58,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand