./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 20:51:27,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 20:51:27,407 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 20:51:27,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 20:51:27,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 20:51:27,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 20:51:27,434 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 20:51:27,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 20:51:27,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 20:51:27,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 20:51:27,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 20:51:27,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 20:51:27,436 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 20:51:27,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 20:51:27,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 20:51:27,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 20:51:27,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 20:51:27,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 20:51:27,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 20:51:27,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 20:51:27,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 20:51:27,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 20:51:27,438 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 20:51:27,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 20:51:27,438 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 20:51:27,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 20:51:27,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 20:51:27,438 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 20:51:27,438 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 20:51:27,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 20:51:27,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 20:51:27,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 20:51:27,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 20:51:27,439 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 20:51:27,439 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 20:51:27,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 20:51:27,439 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 20:51:27,439 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 20:51:27,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 20:51:27,439 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 20:51:27,439 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 20:51:27,440 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 20:51:27,440 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 20:51:27,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-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 -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 20:51:27,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 20:51:27,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 20:51:27,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 20:51:27,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 20:51:27,683 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 20:51:27,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c [2024-12-17 20:51:28,863 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/139786d63/88f42695207d4ff3abe48dfb484facdd/FLAG1e18fb007 [2024-12-17 20:51:29,082 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 20:51:29,082 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c [2024-12-17 20:51:29,089 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/139786d63/88f42695207d4ff3abe48dfb484facdd/FLAG1e18fb007 [2024-12-17 20:51:29,112 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/139786d63/88f42695207d4ff3abe48dfb484facdd [2024-12-17 20:51:29,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 20:51:29,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 20:51:29,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 20:51:29,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 20:51:29,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 20:51:29,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 08:51:29" (1/1) ... [2024-12-17 20:51:29,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fd1b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29, skipping insertion in model container [2024-12-17 20:51:29,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 08:51:29" (1/1) ... [2024-12-17 20:51:29,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 20:51:29,296 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c[12847,12860] [2024-12-17 20:51:29,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 20:51:29,318 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 20:51:29,390 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c[12847,12860] [2024-12-17 20:51:29,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 20:51:29,411 INFO L204 MainTranslator]: Completed translation [2024-12-17 20:51:29,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29 WrapperNode [2024-12-17 20:51:29,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 20:51:29,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 20:51:29,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 20:51:29,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 20:51:29,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29" (1/1) ... [2024-12-17 20:51:29,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29" (1/1) ... [2024-12-17 20:51:29,495 INFO L138 Inliner]: procedures = 24, calls = 297, calls flagged for inlining = 69, calls inlined = 97, statements flattened = 1531 [2024-12-17 20:51:29,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 20:51:29,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 20:51:29,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 20:51:29,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 20:51:29,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29" (1/1) ... [2024-12-17 20:51:29,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29" (1/1) ... [2024-12-17 20:51:29,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29" (1/1) ... [2024-12-17 20:51:29,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29" (1/1) ... [2024-12-17 20:51:29,549 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29" (1/1) ... [2024-12-17 20:51:29,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29" (1/1) ... [2024-12-17 20:51:29,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29" (1/1) ... [2024-12-17 20:51:29,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29" (1/1) ... [2024-12-17 20:51:29,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29" (1/1) ... [2024-12-17 20:51:29,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 20:51:29,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 20:51:29,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 20:51:29,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 20:51:29,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29" (1/1) ... [2024-12-17 20:51:29,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 20:51:29,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 20:51:29,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-17 20:51:29,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-17 20:51:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 20:51:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 20:51:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 20:51:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 20:51:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 20:51:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 20:51:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 20:51:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 20:51:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 20:51:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 20:51:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 20:51:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 20:51:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 20:51:29,621 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 20:51:29,762 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 20:51:29,764 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 20:51:31,121 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 20:51:31,121 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 20:51:32,290 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 20:51:32,291 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-17 20:51:32,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 08:51:32 BoogieIcfgContainer [2024-12-17 20:51:32,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 20:51:32,293 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 20:51:32,293 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 20:51:32,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 20:51:32,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 08:51:29" (1/3) ... [2024-12-17 20:51:32,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a20cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 08:51:32, skipping insertion in model container [2024-12-17 20:51:32,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:51:29" (2/3) ... [2024-12-17 20:51:32,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a20cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 08:51:32, skipping insertion in model container [2024-12-17 20:51:32,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 08:51:32" (3/3) ... [2024-12-17 20:51:32,298 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2024-12-17 20:51:32,308 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 20:51:32,309 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-symm.wvr.c that has 3 procedures, 67 locations, 1 initial locations, 12 loop locations, and 1 error locations. [2024-12-17 20:51:32,309 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 20:51:32,614 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-17 20:51:32,655 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 20:51:32,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 20:51:32,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 20:51:32,661 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-17 20:51:32,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-17 20:51:32,769 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 20:51:32,780 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 20:51:32,784 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@69029b18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 20:51:32,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-17 20:51:32,879 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 20:51:32,879 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 20:51:32,879 INFO L139 ounterexampleChecker]: Examining path program with hash 1230222151, occurence #1 [2024-12-17 20:51:32,879 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 20:51:32,879 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 20:51:32,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 20:51:32,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1744594146, now seen corresponding path program 1 times [2024-12-17 20:51:32,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 20:51:32,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002890264] [2024-12-17 20:51:32,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 20:51:32,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 20:51:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 20:51:33,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 20:51:33,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 20:51:33,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002890264] [2024-12-17 20:51:33,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002890264] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 20:51:33,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 20:51:33,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 20:51:33,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557232215] [2024-12-17 20:51:33,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 20:51:33,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 20:51:33,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 20:51:33,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 20:51:33,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 20:51:33,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:33,278 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 20:51:33,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-12-17 20:51:33,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:33,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:33,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 20:51:33,358 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 20:51:33,358 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 20:51:33,359 INFO L139 ounterexampleChecker]: Examining path program with hash -1205684985, occurence #1 [2024-12-17 20:51:33,359 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 20:51:33,359 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 20:51:33,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 20:51:33,359 INFO L85 PathProgramCache]: Analyzing trace with hash -30861909, now seen corresponding path program 1 times [2024-12-17 20:51:33,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 20:51:33,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330121785] [2024-12-17 20:51:33,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 20:51:33,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 20:51:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 20:51:33,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 20:51:33,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 20:51:33,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330121785] [2024-12-17 20:51:33,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330121785] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 20:51:33,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664697554] [2024-12-17 20:51:33,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 20:51:33,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 20:51:33,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 20:51:33,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 20:51:33,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-17 20:51:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 20:51:33,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-17 20:51:33,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 20:51:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 20:51:34,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 20:51:34,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 20:51:34,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664697554] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 20:51:34,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 20:51:34,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2024-12-17 20:51:34,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138719364] [2024-12-17 20:51:34,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 20:51:34,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-17 20:51:34,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 20:51:34,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-17 20:51:34,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-12-17 20:51:34,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:34,052 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 20:51:34,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 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) [2024-12-17 20:51:34,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:34,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:34,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:34,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 20:51:34,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-17 20:51:34,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 20:51:34,418 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 20:51:34,418 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 20:51:34,418 INFO L139 ounterexampleChecker]: Examining path program with hash -1205684985, occurence #2 [2024-12-17 20:51:34,418 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 20:51:34,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 20:51:34,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:34,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 20:51:34,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:34,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 20:51:34,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:34,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 20:51:34,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:34,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 20:51:34,430 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:34,430 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-12-17 20:51:34,430 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:34,430 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-17 20:51:34,430 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:34,430 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 20:51:34,430 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:34,430 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-17 20:51:34,431 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:34,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-12-17 20:51:34,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:34,431 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 20:51:34,431 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 20:51:34,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 20:51:34,431 INFO L85 PathProgramCache]: Analyzing trace with hash 187897038, now seen corresponding path program 1 times [2024-12-17 20:51:34,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 20:51:34,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677308941] [2024-12-17 20:51:34,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 20:51:34,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 20:51:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 20:51:34,731 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-17 20:51:34,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 20:51:34,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677308941] [2024-12-17 20:51:34,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677308941] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 20:51:34,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623050842] [2024-12-17 20:51:34,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 20:51:34,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 20:51:34,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 20:51:34,734 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 20:51:34,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-17 20:51:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 20:51:35,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 20:51:35,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 20:51:35,156 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-17 20:51:35,156 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 20:51:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-17 20:51:35,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623050842] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 20:51:35,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 20:51:35,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-12-17 20:51:35,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610667364] [2024-12-17 20:51:35,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 20:51:35,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-17 20:51:35,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 20:51:35,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-17 20:51:35,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2024-12-17 20:51:35,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:35,194 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 20:51:35,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 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) [2024-12-17 20:51:35,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:35,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 20:51:35,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 20:51:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 20:51:35,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-17 20:51:35,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 20:51:35,616 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 20:51:35,616 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 20:51:35,616 INFO L139 ounterexampleChecker]: Examining path program with hash -1205684985, occurence #3 [2024-12-17 20:51:35,616 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 20:51:35,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 20:51:35,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:35,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 20:51:35,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:35,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 20:51:35,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:35,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 20:51:35,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:35,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-17 20:51:35,617 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:35,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-17 20:51:35,617 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:35,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 20:51:35,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:35,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-12-17 20:51:35,618 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:35,618 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-12-17 20:51:35,618 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:35,618 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-17 20:51:35,618 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:35,618 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 20:51:35,618 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 20:51:35,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 20:51:35,618 INFO L85 PathProgramCache]: Analyzing trace with hash 963300858, now seen corresponding path program 2 times [2024-12-17 20:51:35,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 20:51:35,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308994068] [2024-12-17 20:51:35,619 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 20:51:35,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 20:51:35,675 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 20:51:35,675 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 20:51:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-17 20:51:35,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 20:51:35,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308994068] [2024-12-17 20:51:35,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308994068] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 20:51:35,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 20:51:35,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 20:51:35,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768516174] [2024-12-17 20:51:35,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 20:51:35,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 20:51:35,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 20:51:35,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 20:51:35,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 20:51:35,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:35,869 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 20:51:35,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-12-17 20:51:35,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:35,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 20:51:35,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 20:51:35,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:35,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:35,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 20:51:35,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 20:51:35,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:35,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-17 20:51:35,950 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 20:51:35,950 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 20:51:35,950 INFO L139 ounterexampleChecker]: Examining path program with hash -793513183, occurence #1 [2024-12-17 20:51:35,950 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 20:51:35,950 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 20:51:35,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 20:51:35,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1280466375, now seen corresponding path program 1 times [2024-12-17 20:51:35,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 20:51:35,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273271777] [2024-12-17 20:51:35,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 20:51:35,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 20:51:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 20:51:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-17 20:51:36,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 20:51:36,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273271777] [2024-12-17 20:51:36,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273271777] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 20:51:36,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563344433] [2024-12-17 20:51:36,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 20:51:36,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 20:51:36,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 20:51:36,401 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 20:51:36,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-17 20:51:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 20:51:36,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 20:51:36,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 20:51:36,845 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-17 20:51:36,846 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 20:51:36,907 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-17 20:51:36,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563344433] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 20:51:36,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 20:51:36,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2024-12-17 20:51:36,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631727499] [2024-12-17 20:51:36,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 20:51:36,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-17 20:51:36,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 20:51:36,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-17 20:51:36,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=200, Unknown=0, NotChecked=0, Total=380 [2024-12-17 20:51:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:36,909 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 20:51:36,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 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) [2024-12-17 20:51:36,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:36,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 20:51:36,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 20:51:36,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:36,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:37,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:37,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 20:51:37,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 20:51:37,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:37,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 20:51:37,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-17 20:51:37,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 20:51:37,387 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 20:51:37,387 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 20:51:37,388 INFO L139 ounterexampleChecker]: Examining path program with hash -793513183, occurence #2 [2024-12-17 20:51:37,388 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 20:51:37,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 20:51:37,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:37,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 20:51:37,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:37,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 20:51:37,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:37,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 20:51:37,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:37,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 20:51:37,388 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:37,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-12-17 20:51:37,388 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:37,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-17 20:51:37,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:37,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-12-17 20:51:37,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:37,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2024-12-17 20:51:37,388 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:37,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-17 20:51:37,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:37,388 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 20:51:37,388 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 20:51:37,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 20:51:37,389 INFO L85 PathProgramCache]: Analyzing trace with hash -889380246, now seen corresponding path program 2 times [2024-12-17 20:51:37,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 20:51:37,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974998902] [2024-12-17 20:51:37,389 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 20:51:37,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 20:51:37,663 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 20:51:37,663 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 20:51:38,137 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-17 20:51:38,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 20:51:38,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974998902] [2024-12-17 20:51:38,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974998902] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 20:51:38,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255192799] [2024-12-17 20:51:38,137 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 20:51:38,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 20:51:38,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 20:51:38,139 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 20:51:38,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-17 20:51:38,527 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 20:51:38,527 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 20:51:38,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 20:51:38,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 20:51:38,689 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-17 20:51:38,689 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 20:51:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-17 20:51:38,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255192799] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 20:51:38,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 20:51:38,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2024-12-17 20:51:38,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513932183] [2024-12-17 20:51:38,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 20:51:38,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-17 20:51:38,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 20:51:38,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-17 20:51:38,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=484, Unknown=0, NotChecked=0, Total=812 [2024-12-17 20:51:38,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:38,836 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 20:51:38,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 states have internal predecessors, (70), 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) [2024-12-17 20:51:38,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:38,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 20:51:38,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 20:51:38,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:38,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 20:51:38,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:39,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 20:51:39,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 20:51:39,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:39,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 20:51:39,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 20:51:39,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-17 20:51:39,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 20:51:39,270 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 20:51:39,270 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 20:51:39,270 INFO L139 ounterexampleChecker]: Examining path program with hash -793513183, occurence #3 [2024-12-17 20:51:39,270 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 20:51:39,270 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 20:51:39,270 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:39,270 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 20:51:39,270 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:39,270 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 20:51:39,270 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:39,270 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 20:51:39,270 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:39,270 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 20:51:39,270 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:39,270 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-12-17 20:51:39,270 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:39,270 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-17 20:51:39,270 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:39,270 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-12-17 20:51:39,270 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:39,270 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-17 20:51:39,270 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:39,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-17 20:51:39,271 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:39,271 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 20:51:39,271 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 20:51:39,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 20:51:39,272 INFO L85 PathProgramCache]: Analyzing trace with hash 404336313, now seen corresponding path program 3 times [2024-12-17 20:51:39,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 20:51:39,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851436078] [2024-12-17 20:51:39,272 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 20:51:39,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 20:51:39,498 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 20:51:39,499 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 20:51:41,568 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-12-17 20:51:41,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 20:51:41,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851436078] [2024-12-17 20:51:41,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851436078] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 20:51:41,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634145218] [2024-12-17 20:51:41,569 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 20:51:41,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 20:51:41,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 20:51:41,573 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 20:51:41,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-17 20:51:41,945 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 20:51:41,945 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 20:51:41,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-17 20:51:41,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 20:51:42,654 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 20:51:42,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 254 treesize of output 194 [2024-12-17 20:51:42,913 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-12-17 20:51:42,914 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 20:51:43,640 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 20:51:43,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 161 treesize of output 157 [2024-12-17 20:51:43,990 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-12-17 20:51:43,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634145218] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 20:51:43,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 20:51:43,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 8] total 22 [2024-12-17 20:51:43,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027273105] [2024-12-17 20:51:43,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 20:51:43,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-17 20:51:43,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 20:51:43,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-17 20:51:43,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2024-12-17 20:51:43,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:43,992 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 20:51:43,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.454545454545454) internal successors, (98), 22 states have internal predecessors, (98), 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) [2024-12-17 20:51:43,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:43,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 20:51:43,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 20:51:43,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:43,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 20:51:43,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 20:51:43,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 20:51:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 20:51:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 20:51:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 20:51:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 20:51:44,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-17 20:51:44,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 20:51:44,595 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 20:51:44,596 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 20:51:44,597 INFO L139 ounterexampleChecker]: Examining path program with hash -793513183, occurence #4 [2024-12-17 20:51:44,597 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 20:51:44,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 20:51:44,597 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:44,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 20:51:44,597 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:44,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 20:51:44,597 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:44,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 20:51:44,597 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:44,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 20:51:44,597 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:44,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-12-17 20:51:44,597 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:44,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-12-17 20:51:44,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:44,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-17 20:51:44,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:44,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-17 20:51:44,598 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:44,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-12-17 20:51:44,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:44,598 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 20:51:44,598 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 20:51:44,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 20:51:44,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1132115896, now seen corresponding path program 4 times [2024-12-17 20:51:44,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 20:51:44,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932577605] [2024-12-17 20:51:44,599 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 20:51:44,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 20:51:44,889 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 20:51:44,889 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 20:51:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-12-17 20:51:48,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 20:51:48,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932577605] [2024-12-17 20:51:48,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932577605] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 20:51:48,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62877129] [2024-12-17 20:51:48,113 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 20:51:48,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 20:51:48,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 20:51:48,115 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 20:51:48,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-17 20:51:48,530 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 20:51:48,531 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 20:51:48,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-17 20:51:48,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 20:51:49,003 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 20:51:49,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 212 treesize of output 158 [2024-12-17 20:51:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-12-17 20:51:49,310 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 20:51:50,030 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 20:51:50,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 161 treesize of output 157 [2024-12-17 20:51:50,390 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-12-17 20:51:50,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62877129] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 20:51:50,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 20:51:50,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 34 [2024-12-17 20:51:50,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566886786] [2024-12-17 20:51:50,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 20:51:50,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-17 20:51:50,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 20:51:50,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-17 20:51:50,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1002, Unknown=0, NotChecked=0, Total=1122 [2024-12-17 20:51:50,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:50,393 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 20:51:50,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.676470588235294) internal successors, (125), 34 states have internal predecessors, (125), 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) [2024-12-17 20:51:50,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:50,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 20:51:50,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 20:51:50,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:50,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 20:51:50,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 20:51:50,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 20:51:50,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 20:51:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 20:51:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 20:51:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 20:51:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 20:51:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 20:51:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 20:51:51,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 20:51:51,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-12-17 20:51:51,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 20:51:51,811 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 20:51:51,811 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 20:51:51,812 INFO L139 ounterexampleChecker]: Examining path program with hash -793513183, occurence #5 [2024-12-17 20:51:51,812 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 20:51:51,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 20:51:51,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:51,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 20:51:51,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:51,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 20:51:51,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:51,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 20:51:51,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:51,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 20:51:51,812 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:51,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-12-17 20:51:51,812 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:51,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-12-17 20:51:51,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:51,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-17 20:51:51,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:51,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-12-17 20:51:51,812 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 20:51:51,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-12-17 20:51:51,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 20:51:51,812 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 20:51:51,812 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 20:51:51,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 20:51:51,812 INFO L85 PathProgramCache]: Analyzing trace with hash 2142202676, now seen corresponding path program 5 times [2024-12-17 20:51:51,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 20:51:51,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212784333] [2024-12-17 20:51:51,813 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 20:51:51,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 20:51:52,942 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-12-17 20:51:52,942 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 20:51:57,228 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-12-17 20:51:57,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 20:51:57,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212784333] [2024-12-17 20:51:57,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212784333] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 20:51:57,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615873913] [2024-12-17 20:51:57,229 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 20:51:57,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 20:51:57,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 20:51:57,231 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 20:51:57,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process Killed by 15