./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a340643f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a340643-m [2024-01-27 15:28:31,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 15:28:31,940 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 15:28:31,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 15:28:31,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 15:28:31,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 15:28:31,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 15:28:31,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 15:28:31,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 15:28:31,975 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 15:28:31,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 15:28:31,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 15:28:31,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 15:28:31,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 15:28:31,977 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 15:28:31,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 15:28:31,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 15:28:31,978 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 15:28:31,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 15:28:31,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 15:28:31,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 15:28:31,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 15:28:31,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 15:28:31,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 15:28:31,979 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 15:28:31,979 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 15:28:31,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 15:28:31,980 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 15:28:31,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 15:28:31,980 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 15:28:31,981 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 15:28:31,981 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 15:28:31,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 15:28:31,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 15:28:31,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 15:28:31,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 15:28:31,982 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 15:28:31,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 15:28:31,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 15:28:31,982 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 15:28:31,982 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 15:28:31,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 15:28:31,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 15:28:31,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 [2024-01-27 15:28:32,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 15:28:32,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 15:28:32,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 15:28:32,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 15:28:32,251 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 15:28:32,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2024-01-27 15:28:33,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 15:28:33,466 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 15:28:33,480 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2024-01-27 15:28:33,488 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6dfb069b/5f73b576708042ebb4b690706c8a6392/FLAG9159b119c [2024-01-27 15:28:33,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6dfb069b/5f73b576708042ebb4b690706c8a6392 [2024-01-27 15:28:33,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 15:28:33,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-01-27 15:28:33,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 15:28:33,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 15:28:33,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 15:28:33,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:28:33" (1/1) ... [2024-01-27 15:28:33,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492ed999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33, skipping insertion in model container [2024-01-27 15:28:33,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:28:33" (1/1) ... [2024-01-27 15:28:33,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 15:28:33,751 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c[19288,19301] [2024-01-27 15:28:33,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:28:33,769 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 15:28:33,870 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c[19288,19301] [2024-01-27 15:28:33,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:28:33,893 INFO L206 MainTranslator]: Completed translation [2024-01-27 15:28:33,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33 WrapperNode [2024-01-27 15:28:33,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 15:28:33,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 15:28:33,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 15:28:33,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 15:28:33,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33" (1/1) ... [2024-01-27 15:28:33,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33" (1/1) ... [2024-01-27 15:28:34,061 INFO L138 Inliner]: procedures = 26, calls = 454, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2378 [2024-01-27 15:28:34,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 15:28:34,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 15:28:34,077 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 15:28:34,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 15:28:34,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33" (1/1) ... [2024-01-27 15:28:34,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33" (1/1) ... [2024-01-27 15:28:34,107 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33" (1/1) ... [2024-01-27 15:28:34,160 INFO L175 MemorySlicer]: Split 284 memory accesses to 5 slices as follows [2, 276, 2, 2, 2]. 97 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 15 writes are split as follows [0, 12, 1, 1, 1]. [2024-01-27 15:28:34,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33" (1/1) ... [2024-01-27 15:28:34,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33" (1/1) ... [2024-01-27 15:28:34,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33" (1/1) ... [2024-01-27 15:28:34,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33" (1/1) ... [2024-01-27 15:28:34,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33" (1/1) ... [2024-01-27 15:28:34,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33" (1/1) ... [2024-01-27 15:28:34,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 15:28:34,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 15:28:34,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 15:28:34,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 15:28:34,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33" (1/1) ... [2024-01-27 15:28:34,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 15:28:34,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 15:28:34,298 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) [2024-01-27 15:28:34,306 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 [2024-01-27 15:28:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 15:28:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 15:28:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 15:28:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 15:28:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 15:28:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 15:28:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 15:28:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 15:28:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 15:28:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 15:28:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 15:28:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 15:28:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 15:28:34,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 15:28:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 15:28:34,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 15:28:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 15:28:34,338 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 15:28:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 15:28:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 15:28:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 15:28:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 15:28:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 15:28:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 15:28:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 15:28:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-27 15:28:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 15:28:34,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 15:28:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 15:28:34,343 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 15:28:34,543 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 15:28:34,544 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 15:28:36,012 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 15:28:36,013 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 15:28:37,811 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 15:28:37,812 INFO L320 CfgBuilder]: Removed 18 assume(true) statements. [2024-01-27 15:28:37,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:28:37 BoogieIcfgContainer [2024-01-27 15:28:37,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 15:28:37,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 15:28:37,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 15:28:37,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 15:28:37,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 03:28:33" (1/3) ... [2024-01-27 15:28:37,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20157307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:28:37, skipping insertion in model container [2024-01-27 15:28:37,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:28:33" (2/3) ... [2024-01-27 15:28:37,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20157307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:28:37, skipping insertion in model container [2024-01-27 15:28:37,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:28:37" (3/3) ... [2024-01-27 15:28:37,819 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2024-01-27 15:28:37,826 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-27 15:28:37,833 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 15:28:37,834 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-27 15:28:37,834 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 15:28:38,133 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-27 15:28:38,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 141 transitions, 303 flow [2024-01-27 15:28:38,219 INFO L124 PetriNetUnfolderBase]: 42/138 cut-off events. [2024-01-27 15:28:38,219 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-27 15:28:38,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 138 events. 42/138 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 423 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 108. Up to 7 conditions per place. [2024-01-27 15:28:38,223 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 141 transitions, 303 flow [2024-01-27 15:28:38,227 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 137 transitions, 292 flow [2024-01-27 15:28:38,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 15:28:38,238 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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;@4a66a0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 15:28:38,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-01-27 15:28:38,284 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 15:28:38,284 INFO L124 PetriNetUnfolderBase]: 42/136 cut-off events. [2024-01-27 15:28:38,284 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-27 15:28:38,284 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 15:28:38,285 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 15:28:38,285 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-01-27 15:28:38,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 15:28:38,289 INFO L85 PathProgramCache]: Analyzing trace with hash -906619009, now seen corresponding path program 1 times [2024-01-27 15:28:38,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 15:28:38,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475604704] [2024-01-27 15:28:38,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:28:38,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 15:28:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:28:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 15:28:38,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 15:28:38,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475604704] [2024-01-27 15:28:38,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475604704] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 15:28:38,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 15:28:38,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 15:28:38,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125563895] [2024-01-27 15:28:38,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 15:28:38,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 15:28:38,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 15:28:38,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 15:28:38,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 15:28:38,755 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 141 [2024-01-27 15:28:38,757 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 137 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-01-27 15:28:38,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 15:28:38,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 141 [2024-01-27 15:28:38,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 15:28:57,585 INFO L124 PetriNetUnfolderBase]: 75661/99903 cut-off events. [2024-01-27 15:28:57,585 INFO L125 PetriNetUnfolderBase]: For 1855/1855 co-relation queries the response was YES. [2024-01-27 15:28:57,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199394 conditions, 99903 events. 75661/99903 cut-off events. For 1855/1855 co-relation queries the response was YES. Maximal size of possible extension queue 3950. Compared 613204 event pairs, 51697 based on Foata normal form. 5988/81389 useless extension candidates. Maximal degree in co-relation 191890. Up to 97983 conditions per place. [2024-01-27 15:28:58,012 INFO L140 encePairwiseOnDemand]: 122/141 looper letters, 117 selfloop transitions, 12 changer transitions 0/137 dead transitions. [2024-01-27 15:28:58,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 137 transitions, 550 flow [2024-01-27 15:28:58,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 15:28:58,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 15:28:58,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 174 transitions. [2024-01-27 15:28:58,022 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41134751773049644 [2024-01-27 15:28:58,023 INFO L175 Difference]: Start difference. First operand has 105 places, 137 transitions, 292 flow. Second operand 3 states and 174 transitions. [2024-01-27 15:28:58,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 137 transitions, 550 flow [2024-01-27 15:28:58,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 137 transitions, 538 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-27 15:28:58,042 INFO L231 Difference]: Finished difference. Result has 102 places, 137 transitions, 330 flow [2024-01-27 15:28:58,044 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=102, PETRI_TRANSITIONS=137} [2024-01-27 15:28:58,046 INFO L281 CegarLoopForPetriNet]: 105 programPoint places, -3 predicate places. [2024-01-27 15:28:58,046 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 137 transitions, 330 flow [2024-01-27 15:28:58,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-01-27 15:28:58,046 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 15:28:58,046 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 15:28:58,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 15:28:58,047 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-01-27 15:28:58,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 15:28:58,048 INFO L85 PathProgramCache]: Analyzing trace with hash -2146036881, now seen corresponding path program 1 times [2024-01-27 15:28:58,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 15:28:58,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743158674] [2024-01-27 15:28:58,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:28:58,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 15:28:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:28:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-01-27 15:28:58,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 15:28:58,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743158674] [2024-01-27 15:28:58,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743158674] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-27 15:28:58,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975556641] [2024-01-27 15:28:58,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:28:58,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-27 15:28:58,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 15:28:58,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-27 15:28:58,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-01-27 15:28:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:28:58,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 4 conjunts are in the unsatisfiable core [2024-01-27 15:28:58,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-27 15:28:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-01-27 15:28:58,919 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-01-27 15:28:58,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975556641] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 15:28:58,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-01-27 15:28:58,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-01-27 15:28:58,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532277004] [2024-01-27 15:28:58,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 15:28:58,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 15:28:58,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 15:28:58,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 15:28:58,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-01-27 15:28:58,922 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 141 [2024-01-27 15:28:58,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 137 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2024-01-27 15:28:58,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 15:28:58,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 141 [2024-01-27 15:28:58,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand