./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:33:12,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:33:12,809 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-17 03:33:12,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:33:12,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:33:12,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:33:12,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:33:12,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:33:12,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:33:12,847 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:33:12,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:33:12,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:33:12,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:33:12,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:33:12,849 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:33:12,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:33:12,850 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:33:12,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:33:12,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:33:12,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:33:12,852 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 03:33:12,856 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 03:33:12,856 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-17 03:33:12,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:33:12,856 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 03:33:12,857 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:33:12,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:33:12,857 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:33:12,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:33:12,857 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:33:12,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:33:12,858 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:33:12,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:33:12,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:33:12,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:33:12,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:33:12,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:33:12,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:33:12,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:33:12,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:33:12,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:33:12,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:33:12,863 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 [2024-11-17 03:33:13,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:33:13,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:33:13,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:33:13,156 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:33:13,157 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:33:13,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2024-11-17 03:33:14,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:33:14,891 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:33:14,892 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2024-11-17 03:33:14,917 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a805b011/38823cff860e4bca9f86893ad79f3c9b/FLAG654375d1a [2024-11-17 03:33:14,930 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a805b011/38823cff860e4bca9f86893ad79f3c9b [2024-11-17 03:33:14,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:33:14,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:33:14,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:33:14,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:33:14,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:33:14,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:33:14" (1/1) ... [2024-11-17 03:33:14,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9d2e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:14, skipping insertion in model container [2024-11-17 03:33:14,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:33:14" (1/1) ... [2024-11-17 03:33:14,976 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:33:15,351 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 03:33:15,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:33:15,397 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:33:15,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:33:15,501 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:33:15,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:15 WrapperNode [2024-11-17 03:33:15,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:33:15,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:33:15,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:33:15,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:33:15,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:15" (1/1) ... [2024-11-17 03:33:15,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:15" (1/1) ... [2024-11-17 03:33:15,601 INFO L138 Inliner]: procedures = 24, calls = 298, calls flagged for inlining = 70, calls inlined = 98, statements flattened = 1549 [2024-11-17 03:33:15,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:33:15,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:33:15,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:33:15,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:33:15,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:15" (1/1) ... [2024-11-17 03:33:15,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:15" (1/1) ... [2024-11-17 03:33:15,634 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:15" (1/1) ... [2024-11-17 03:33:15,687 INFO L175 MemorySlicer]: Split 186 memory accesses to 2 slices as follows [2, 184]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 8 writes are split as follows [0, 8]. [2024-11-17 03:33:15,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:15" (1/1) ... [2024-11-17 03:33:15,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:15" (1/1) ... [2024-11-17 03:33:15,749 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:15" (1/1) ... [2024-11-17 03:33:15,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:15" (1/1) ... [2024-11-17 03:33:15,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:15" (1/1) ... [2024-11-17 03:33:15,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:15" (1/1) ... [2024-11-17 03:33:15,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:33:15,789 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:33:15,789 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:33:15,789 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:33:15,790 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:15" (1/1) ... [2024-11-17 03:33:15,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:33:15,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:33:15,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 03:33:15,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 03:33:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:33:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-17 03:33:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-17 03:33:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-17 03:33:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-17 03:33:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 03:33:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 03:33:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 03:33:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 03:33:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 03:33:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 03:33:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 03:33:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:33:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:33:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 03:33:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 03:33:15,894 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 03:33:16,105 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:33:16,107 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:33:18,253 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 03:33:18,253 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:33:21,651 WARN L170 LargeBlockEncoding]: Complex 2:17 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-17 03:33:21,731 WARN L170 LargeBlockEncoding]: Complex 2:17 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-17 03:33:21,831 WARN L170 LargeBlockEncoding]: Complex 2:23 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-17 03:33:21,978 WARN L170 LargeBlockEncoding]: Complex 2:23 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-17 03:33:22,327 WARN L170 LargeBlockEncoding]: Complex 2:23 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-17 03:33:22,447 WARN L170 LargeBlockEncoding]: Complex 2:23 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-17 03:33:22,638 WARN L170 LargeBlockEncoding]: Complex 2:17 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-17 03:33:22,699 WARN L170 LargeBlockEncoding]: Complex 2:17 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-17 03:33:22,782 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:33:22,783 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:33:22,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:33:22 BoogieIcfgContainer [2024-11-17 03:33:22,787 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:33:22,789 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:33:22,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:33:22,794 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:33:22,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:33:14" (1/3) ... [2024-11-17 03:33:22,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0e6cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:33:22, skipping insertion in model container [2024-11-17 03:33:22,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:15" (2/3) ... [2024-11-17 03:33:22,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0e6cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:33:22, skipping insertion in model container [2024-11-17 03:33:22,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:33:22" (3/3) ... [2024-11-17 03:33:22,796 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2024-11-17 03:33:22,816 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:33:22,816 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 370 error locations. [2024-11-17 03:33:22,816 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 03:33:25,345 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-17 03:33:25,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 467 places, 656 transitions, 1326 flow [2024-11-17 03:33:25,872 INFO L124 PetriNetUnfolderBase]: 196/654 cut-off events. [2024-11-17 03:33:25,873 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-17 03:33:25,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 663 conditions, 654 events. 196/654 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 4388 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 583. Up to 7 conditions per place. [2024-11-17 03:33:25,896 INFO L82 GeneralOperation]: Start removeDead. Operand has 467 places, 656 transitions, 1326 flow [2024-11-17 03:33:25,950 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 464 places, 653 transitions, 1318 flow [2024-11-17 03:33:25,963 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:33:25,972 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;@406dc5af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:33:25,972 INFO L334 AbstractCegarLoop]: Starting to check reachability of 724 error locations. [2024-11-17 03:33:25,975 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 03:33:25,976 INFO L124 PetriNetUnfolderBase]: 2/7 cut-off events. [2024-11-17 03:33:25,976 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:33:25,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:33:25,977 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-17 03:33:25,977 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err35REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 721 more)] === [2024-11-17 03:33:25,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:33:25,983 INFO L85 PathProgramCache]: Analyzing trace with hash 192512108, now seen corresponding path program 1 times [2024-11-17 03:33:25,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:33:25,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319815702] [2024-11-17 03:33:25,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:33:25,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:33:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:33:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:33:26,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:33:26,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319815702] [2024-11-17 03:33:26,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319815702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:33:26,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:33:26,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 03:33:26,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106764844] [2024-11-17 03:33:26,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:33:26,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:33:26,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:33:26,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:33:26,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:33:26,525 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 656 [2024-11-17 03:33:26,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 653 transitions, 1318 flow. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2024-11-17 03:33:26,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:33:26,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 656 [2024-11-17 03:33:26,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:33:45,420 INFO L124 PetriNetUnfolderBase]: 46796/74100 cut-off events. [2024-11-17 03:33:45,420 INFO L125 PetriNetUnfolderBase]: For 455/455 co-relation queries the response was YES. [2024-11-17 03:33:45,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148530 conditions, 74100 events. 46796/74100 cut-off events. For 455/455 co-relation queries the response was YES. Maximal size of possible extension queue 4253. Compared 631643 event pairs, 40250 based on Foata normal form. 9/24607 useless extension candidates. Maximal degree in co-relation 147836. Up to 74052 conditions per place. [2024-11-17 03:33:45,840 INFO L140 encePairwiseOnDemand]: 317/656 looper letters, 288 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2024-11-17 03:33:45,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 315 transitions, 1222 flow [2024-11-17 03:33:45,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:33:45,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:33:45,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 711 transitions. [2024-11-17 03:33:45,861 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36128048780487804 [2024-11-17 03:33:45,863 INFO L175 Difference]: Start difference. First operand has 464 places, 653 transitions, 1318 flow. Second operand 3 states and 711 transitions. [2024-11-17 03:33:45,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 315 transitions, 1222 flow [2024-11-17 03:33:45,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 315 transitions, 1214 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-17 03:33:45,891 INFO L231 Difference]: Finished difference. Result has 284 places, 315 transitions, 638 flow [2024-11-17 03:33:45,893 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=656, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=284, PETRI_TRANSITIONS=315} [2024-11-17 03:33:45,899 INFO L277 CegarLoopForPetriNet]: 464 programPoint places, -180 predicate places. [2024-11-17 03:33:45,900 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 315 transitions, 638 flow [2024-11-17 03:33:45,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2024-11-17 03:33:45,900 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:33:45,900 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-17 03:33:45,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:33:45,901 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err35REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 721 more)] === [2024-11-17 03:33:45,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:33:45,902 INFO L85 PathProgramCache]: Analyzing trace with hash 192512109, now seen corresponding path program 1 times [2024-11-17 03:33:45,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:33:45,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560525595] [2024-11-17 03:33:45,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:33:45,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:33:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:33:46,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:33:46,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:33:46,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560525595] [2024-11-17 03:33:46,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560525595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:33:46,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:33:46,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:33:46,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26466562] [2024-11-17 03:33:46,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:33:46,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:33:46,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:33:46,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:33:46,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:33:46,297 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 656 [2024-11-17 03:33:46,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 315 transitions, 638 flow. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 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) [2024-11-17 03:33:46,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:33:46,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 656 [2024-11-17 03:33:46,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand