./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/chl-poker-hand-symm.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/chl-poker-hand-symm.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-07 21:17:43,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-07 21:17:43,214 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-07 21:17:43,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-07 21:17:43,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-07 21:17:43,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-07 21:17:43,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-07 21:17:43,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-07 21:17:43,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-07 21:17:43,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-07 21:17:43,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-07 21:17:43,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-07 21:17:43,244 INFO L153 SettingsManager]: * Use SBE=true [2024-09-07 21:17:43,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-07 21:17:43,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-07 21:17:43,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-07 21:17:43,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-07 21:17:43,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-07 21:17:43,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-07 21:17:43,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-07 21:17:43,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-07 21:17:43,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-07 21:17:43,247 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-07 21:17:43,247 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-07 21:17:43,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-07 21:17:43,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-07 21:17:43,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-07 21:17:43,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-07 21:17:43,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-07 21:17:43,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-07 21:17:43,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:17:43,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-07 21:17:43,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-07 21:17:43,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-07 21:17:43,250 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-07 21:17:43,250 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-07 21:17:43,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-07 21:17:43,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-07 21:17:43,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-07 21:17:43,251 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-07 21:17:43,251 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-07 21:17:43,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-07 21:17:43,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-07 21:17:43,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-07 21:17:43,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-07 21:17:43,459 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-07 21:17:43,459 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-07 21:17:43,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/chl-poker-hand-symm.wvr.yml/witness.yml [2024-09-07 21:17:43,522 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-07 21:17:43,525 INFO L274 PluginConnector]: CDTParser initialized [2024-09-07 21:17:43,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c [2024-09-07 21:17:44,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-07 21:17:44,931 INFO L384 CDTParser]: Found 1 translation units. [2024-09-07 21:17:44,932 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c [2024-09-07 21:17:44,940 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d46e28b40/92a1e0232b90468d9e1b085aa1f553f2/FLAGa1a1efc63 [2024-09-07 21:17:44,954 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d46e28b40/92a1e0232b90468d9e1b085aa1f553f2 [2024-09-07 21:17:44,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-07 21:17:44,956 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-07 21:17:44,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-07 21:17:44,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-07 21:17:44,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-07 21:17:44,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:43" (1/2) ... [2024-09-07 21:17:44,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15af5d78 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:44, skipping insertion in model container [2024-09-07 21:17:44,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:43" (1/2) ... [2024-09-07 21:17:44,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3960cca and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:44, skipping insertion in model container [2024-09-07 21:17:44,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:17:44" (2/2) ... [2024-09-07 21:17:44,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15af5d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:44, skipping insertion in model container [2024-09-07 21:17:44,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:17:44" (2/2) ... [2024-09-07 21:17:44,988 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-07 21:17:44,989 INFO L1541 ArrayList]: Location invariant before [L231-L231] (((((! multithreaded || ((0LL - (long long )break_10) + (long long )i1_9 >= 0LL && (0LL - (long long )break_15) + (long long )i1_14 >= 0LL)) && (! multithreaded || 0 <= i1_14)) && (! multithreaded || (((0 <= i1_9 && 0 <= i1_14) && i2_11 == 0) && i2_16 == 0))) && (! multithreaded || 0 <= i1_9)) && (! multithreaded || i2_16 == 0)) && (! multithreaded || i2_11 == 0) [2024-09-07 21:17:44,989 INFO L1541 ArrayList]: Location invariant before [L230-L230] (((((! multithreaded || ((0LL - (long long )break_10) + (long long )i1_9 >= 0LL && (0LL - (long long )break_15) + (long long )i1_14 >= 0LL)) && (! multithreaded || 0 <= i1_14)) && (! multithreaded || (((0 <= i1_9 && 0 <= i1_14) && i2_11 == 0) && i2_16 == 0))) && (! multithreaded || 0 <= i1_9)) && (! multithreaded || i2_16 == 0)) && (! multithreaded || i2_11 == 0) [2024-09-07 21:17:44,989 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-07 21:17:44,989 INFO L1541 ArrayList]: ghost_update [L229-L229] multithreaded = 1; [2024-09-07 21:17:45,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-07 21:17:45,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:17:45,291 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-07 21:17:45,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:17:45,369 INFO L204 MainTranslator]: Completed translation [2024-09-07 21:17:45,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:45 WrapperNode [2024-09-07 21:17:45,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-07 21:17:45,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-07 21:17:45,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-07 21:17:45,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-07 21:17:45,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:45" (1/1) ... [2024-09-07 21:17:45,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:45" (1/1) ... [2024-09-07 21:17:45,437 INFO L138 Inliner]: procedures = 24, calls = 298, calls flagged for inlining = 70, calls inlined = 98, statements flattened = 1568 [2024-09-07 21:17:45,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-07 21:17:45,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-07 21:17:45,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-07 21:17:45,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-07 21:17:45,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:45" (1/1) ... [2024-09-07 21:17:45,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:45" (1/1) ... [2024-09-07 21:17:45,452 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:45" (1/1) ... [2024-09-07 21:17:45,452 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:45" (1/1) ... [2024-09-07 21:17:45,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:45" (1/1) ... [2024-09-07 21:17:45,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:45" (1/1) ... [2024-09-07 21:17:45,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:45" (1/1) ... [2024-09-07 21:17:45,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:45" (1/1) ... [2024-09-07 21:17:45,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-07 21:17:45,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-07 21:17:45,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-07 21:17:45,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-07 21:17:45,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:45" (1/1) ... [2024-09-07 21:17:45,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:17:45,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:45,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-07 21:17:45,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-07 21:17:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-07 21:17:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-07 21:17:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-07 21:17:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-07 21:17:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-07 21:17:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-07 21:17:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-07 21:17:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-07 21:17:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-07 21:17:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-07 21:17:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-07 21:17:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-07 21:17:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-07 21:17:45,583 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-07 21:17:45,735 INFO L242 CfgBuilder]: Building ICFG [2024-09-07 21:17:45,736 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-07 21:17:47,052 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-07 21:17:47,053 INFO L291 CfgBuilder]: Performing block encoding [2024-09-07 21:17:48,153 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-07 21:17:48,154 INFO L318 CfgBuilder]: Removed 12 assume(true) statements. [2024-09-07 21:17:48,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:17:48 BoogieIcfgContainer [2024-09-07 21:17:48,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-07 21:17:48,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-07 21:17:48,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-07 21:17:48,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-07 21:17:48,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:43" (1/4) ... [2024-09-07 21:17:48,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f7b525c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 09:17:48, skipping insertion in model container [2024-09-07 21:17:48,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:17:44" (2/4) ... [2024-09-07 21:17:48,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f7b525c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:17:48, skipping insertion in model container [2024-09-07 21:17:48,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:45" (3/4) ... [2024-09-07 21:17:48,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f7b525c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:17:48, skipping insertion in model container [2024-09-07 21:17:48,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:17:48" (4/4) ... [2024-09-07 21:17:48,160 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2024-09-07 21:17:48,173 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-07 21:17:48,174 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-07 21:17:48,174 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-07 21:17:48,412 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-07 21:17:48,451 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:17:48,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-07 21:17:48,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:48,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-07 21:17:48,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-07 21:17:48,481 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-07 21:17:48,495 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-07 21:17:48,500 INFO L336 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=PARTIAL_ORDER_FA, 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;@31a8c5ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:17:48,501 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-07 21:17:48,792 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-07 21:17:48,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:48,797 INFO L85 PathProgramCache]: Analyzing trace with hash -315343620, now seen corresponding path program 1 times [2024-09-07 21:17:48,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:48,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848524783] [2024-09-07 21:17:48,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:48,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:17:49,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:49,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848524783] [2024-09-07 21:17:49,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848524783] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:49,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:49,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-07 21:17:49,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941646665] [2024-09-07 21:17:49,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:49,186 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-07 21:17:49,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:49,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-07 21:17:49,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-07 21:17:49,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:49,208 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:49,208 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:17:49,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:49,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:49,264 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-07 21:17:49,264 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-07 21:17:49,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:49,265 INFO L85 PathProgramCache]: Analyzing trace with hash -490200888, now seen corresponding path program 1 times [2024-09-07 21:17:49,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:49,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158184672] [2024-09-07 21:17:49,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:49,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:49,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-07 21:17:49,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:49,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158184672] [2024-09-07 21:17:49,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158184672] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:17:49,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840899282] [2024-09-07 21:17:49,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:49,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:49,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:49,425 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:17:49,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-07 21:17:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:49,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-07 21:17:49,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:17:49,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-07 21:17:49,794 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:17:49,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-07 21:17:49,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840899282] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:17:49,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:17:49,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-09-07 21:17:49,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268855837] [2024-09-07 21:17:49,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:17:49,813 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-07 21:17:49,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:49,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-07 21:17:49,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-09-07 21:17:49,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:49,816 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:49,816 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 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) [2024-09-07 21:17:49,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:49,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:49,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:49,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:17:49,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-07 21:17:50,147 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-09-07 21:17:50,148 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-07 21:17:50,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:50,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1780370199, now seen corresponding path program 1 times [2024-09-07 21:17:50,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:50,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366722494] [2024-09-07 21:17:50,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:50,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:50,445 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-09-07 21:17:50,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:50,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366722494] [2024-09-07 21:17:50,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366722494] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:17:50,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666493668] [2024-09-07 21:17:50,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:50,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:50,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:50,448 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:17:50,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-07 21:17:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:50,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-07 21:17:50,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:17:50,819 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-09-07 21:17:50,822 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:17:50,890 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-09-07 21:17:50,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666493668] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:17:50,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:17:50,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-09-07 21:17:50,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27020996] [2024-09-07 21:17:50,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:17:50,892 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-07 21:17:50,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:50,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-07 21:17:50,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-09-07 21:17:50,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:50,895 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:50,895 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 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) [2024-09-07 21:17:50,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:50,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:17:50,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:17:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-07 21:17:51,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-07 21:17:51,297 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:51,298 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-07 21:17:51,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:51,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1390483064, now seen corresponding path program 2 times [2024-09-07 21:17:51,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:51,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763362380] [2024-09-07 21:17:51,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:51,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:51,615 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-09-07 21:17:51,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:51,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763362380] [2024-09-07 21:17:51,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763362380] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:17:51,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001063848] [2024-09-07 21:17:51,616 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-07 21:17:51,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:51,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:51,634 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:17:51,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-07 21:17:51,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-07 21:17:51,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:17:51,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-07 21:17:51,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:17:52,214 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-09-07 21:17:52,215 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-07 21:17:52,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001063848] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:52,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-07 21:17:52,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 10 [2024-09-07 21:17:52,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348674140] [2024-09-07 21:17:52,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:52,216 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-07 21:17:52,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:52,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-07 21:17:52,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-09-07 21:17:52,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:52,217 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:52,217 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-09-07 21:17:52,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:52,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:17:52,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-07 21:17:52,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:53,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:53,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:17:53,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-07 21:17:53,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:17:53,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-07 21:17:53,806 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:53,807 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-07 21:17:53,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:53,807 INFO L85 PathProgramCache]: Analyzing trace with hash -686543735, now seen corresponding path program 1 times [2024-09-07 21:17:53,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:53,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429637675] [2024-09-07 21:17:53,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:53,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:54,112 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-09-07 21:17:54,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:54,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429637675] [2024-09-07 21:17:54,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429637675] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:17:54,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709121234] [2024-09-07 21:17:54,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:54,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:54,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:54,115 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:17:54,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-07 21:17:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:54,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-07 21:17:54,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:17:54,551 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-09-07 21:17:54,552 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:17:54,624 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-09-07 21:17:54,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709121234] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:17:54,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:17:54,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2024-09-07 21:17:54,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152193485] [2024-09-07 21:17:54,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:17:54,627 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-09-07 21:17:54,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:54,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-09-07 21:17:54,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=200, Unknown=0, NotChecked=0, Total=380 [2024-09-07 21:17:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:54,629 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:54,629 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.6) internal successors, (52), 20 states have internal predecessors, (52), 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) [2024-09-07 21:17:54,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:54,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:17:54,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-07 21:17:54,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:17:54,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:54,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:54,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:17:54,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-07 21:17:54,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:17:54,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-07 21:17:54,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-07 21:17:55,145 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:55,145 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-07 21:17:55,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:55,146 INFO L85 PathProgramCache]: Analyzing trace with hash -43883367, now seen corresponding path program 2 times [2024-09-07 21:17:55,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:55,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730673210] [2024-09-07 21:17:55,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:55,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-09-07 21:17:55,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:55,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730673210] [2024-09-07 21:17:55,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730673210] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:17:55,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071357186] [2024-09-07 21:17:55,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-07 21:17:55,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:55,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:55,714 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:17:55,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-07 21:17:56,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-07 21:17:56,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:17:56,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-07 21:17:56,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:17:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-09-07 21:17:56,526 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-07 21:17:56,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071357186] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:56,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-07 21:17:56,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 18 [2024-09-07 21:17:56,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900242598] [2024-09-07 21:17:56,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:56,527 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-07 21:17:56,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:56,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-07 21:17:56,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2024-09-07 21:17:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:56,528 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:56,528 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-09-07 21:17:56,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:56,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:17:56,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-07 21:17:56,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:17:56,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-07 21:17:56,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:57,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:57,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:17:57,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-07 21:17:57,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:17:57,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-07 21:17:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-07 21:17:57,755 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-07 21:17:57,756 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-07 21:17:57,756 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-09-07 21:17:57,756 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-09-07 21:17:57,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-07 21:17:57,956 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:57,962 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2024-09-07 21:17:57,967 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-07 21:17:57,968 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-07 21:17:57,969 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-07 21:17:57,969 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-07 21:17:57,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 09:17:57 BasicIcfg [2024-09-07 21:17:57,970 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-07 21:17:57,970 INFO L158 Benchmark]: Toolchain (without parser) took 13014.23ms. Allocated memory was 192.9MB in the beginning and 536.9MB in the end (delta: 343.9MB). Free memory was 127.9MB in the beginning and 151.0MB in the end (delta: -23.1MB). Peak memory consumption was 321.0MB. Max. memory is 16.1GB. [2024-09-07 21:17:57,971 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 96.5MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:17:57,971 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory was 47.2MB in the beginning and 47.1MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:17:57,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.17ms. Allocated memory is still 192.9MB. Free memory was 127.4MB in the beginning and 148.7MB in the end (delta: -21.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-07 21:17:57,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.40ms. Allocated memory is still 192.9MB. Free memory was 148.7MB in the beginning and 140.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-07 21:17:57,971 INFO L158 Benchmark]: Boogie Preprocessor took 76.99ms. Allocated memory is still 192.9MB. Free memory was 140.3MB in the beginning and 131.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-07 21:17:57,972 INFO L158 Benchmark]: RCFGBuilder took 2638.25ms. Allocated memory was 192.9MB in the beginning and 255.9MB in the end (delta: 62.9MB). Free memory was 131.9MB in the beginning and 101.1MB in the end (delta: 30.8MB). Peak memory consumption was 132.3MB. Max. memory is 16.1GB. [2024-09-07 21:17:57,972 INFO L158 Benchmark]: TraceAbstraction took 9814.70ms. Allocated memory was 255.9MB in the beginning and 536.9MB in the end (delta: 281.0MB). Free memory was 100.1MB in the beginning and 151.0MB in the end (delta: -50.9MB). Peak memory consumption was 230.1MB. Max. memory is 16.1GB. [2024-09-07 21:17:57,973 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 96.5MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory was 47.2MB in the beginning and 47.1MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.17ms. Allocated memory is still 192.9MB. Free memory was 127.4MB in the beginning and 148.7MB in the end (delta: -21.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.40ms. Allocated memory is still 192.9MB. Free memory was 148.7MB in the beginning and 140.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.99ms. Allocated memory is still 192.9MB. Free memory was 140.3MB in the beginning and 131.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2638.25ms. Allocated memory was 192.9MB in the beginning and 255.9MB in the end (delta: 62.9MB). Free memory was 131.9MB in the beginning and 101.1MB in the end (delta: 30.8MB). Peak memory consumption was 132.3MB. Max. memory is 16.1GB. * TraceAbstraction took 9814.70ms. Allocated memory was 255.9MB in the beginning and 536.9MB in the end (delta: 281.0MB). Free memory was 100.1MB in the beginning and 151.0MB in the end (delta: -50.9MB). Peak memory consumption was 230.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10457, independent: 9241, independent conditional: 5894, independent unconditional: 3347, dependent: 1216, dependent conditional: 1195, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9366, independent: 9241, independent conditional: 5894, independent unconditional: 3347, dependent: 125, dependent conditional: 104, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9366, independent: 9241, independent conditional: 5894, independent unconditional: 3347, dependent: 125, dependent conditional: 104, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9596, independent: 9241, independent conditional: 5894, independent unconditional: 3347, dependent: 355, dependent conditional: 334, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9596, independent: 9241, independent conditional: 126, independent unconditional: 9115, dependent: 355, dependent conditional: 78, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9596, independent: 9241, independent conditional: 126, independent unconditional: 9115, dependent: 355, dependent conditional: 78, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3130, independent: 3106, independent conditional: 9, independent unconditional: 3097, dependent: 24, dependent conditional: 3, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3130, independent: 3084, independent conditional: 0, independent unconditional: 3084, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 22, independent conditional: 9, independent unconditional: 13, dependent: 24, dependent conditional: 3, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 22, independent conditional: 9, independent unconditional: 13, dependent: 24, dependent conditional: 3, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1693, independent: 1236, independent conditional: 811, independent unconditional: 426, dependent: 456, dependent conditional: 143, dependent unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9596, independent: 6135, independent conditional: 117, independent unconditional: 6018, dependent: 331, dependent conditional: 75, dependent unconditional: 256, unknown: 3130, unknown conditional: 12, unknown unconditional: 3118] , Statistics on independence cache: Total cache size (in pairs): 3130, Positive cache size: 3106, Positive conditional cache size: 9, Positive unconditional cache size: 3097, Negative cache size: 24, Negative conditional cache size: 3, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6024, Maximal queried relation: 1, Independence queries for same thread: 1091, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 899, Number of trivial persistent sets: 734, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3368, independent: 3347, independent conditional: 0, independent unconditional: 3347, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10457, independent: 9241, independent conditional: 5894, independent unconditional: 3347, dependent: 1216, dependent conditional: 1195, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9366, independent: 9241, independent conditional: 5894, independent unconditional: 3347, dependent: 125, dependent conditional: 104, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9366, independent: 9241, independent conditional: 5894, independent unconditional: 3347, dependent: 125, dependent conditional: 104, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9596, independent: 9241, independent conditional: 5894, independent unconditional: 3347, dependent: 355, dependent conditional: 334, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9596, independent: 9241, independent conditional: 126, independent unconditional: 9115, dependent: 355, dependent conditional: 78, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9596, independent: 9241, independent conditional: 126, independent unconditional: 9115, dependent: 355, dependent conditional: 78, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3130, independent: 3106, independent conditional: 9, independent unconditional: 3097, dependent: 24, dependent conditional: 3, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3130, independent: 3084, independent conditional: 0, independent unconditional: 3084, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 22, independent conditional: 9, independent unconditional: 13, dependent: 24, dependent conditional: 3, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 22, independent conditional: 9, independent unconditional: 13, dependent: 24, dependent conditional: 3, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1693, independent: 1236, independent conditional: 811, independent unconditional: 426, dependent: 456, dependent conditional: 143, dependent unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9596, independent: 6135, independent conditional: 117, independent unconditional: 6018, dependent: 331, dependent conditional: 75, dependent unconditional: 256, unknown: 3130, unknown conditional: 12, unknown unconditional: 3118] , Statistics on independence cache: Total cache size (in pairs): 3130, Positive cache size: 3106, Positive conditional cache size: 9, Positive unconditional cache size: 3097, Negative cache size: 24, Negative conditional cache size: 3, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6024, Maximal queried relation: 1, Independence queries for same thread: 1091 - PositiveResult [Line: 230]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 231]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 121 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 3.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 536 NumberOfCodeBlocks, 447 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 651 ConstructedInterpolants, 0 QuantifiedInterpolants, 2528 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2270 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 1004/1171 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-07 21:17:58,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-07 21:17:58,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE