./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 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/popl20-proofs-counter-add-4-semi-Q67.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 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 20:46:56,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 20:46:56,415 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 20:46:56,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 20:46:56,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 20:46:56,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 20:46:56,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 20:46:56,432 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 20:46:56,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 20:46:56,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 20:46:56,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 20:46:56,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 20:46:56,433 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 20:46:56,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 20:46:56,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 20:46:56,433 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 20:46:56,433 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 20:46:56,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 20:46:56,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 20:46:56,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 20:46:56,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 20:46:56,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 20:46:56,433 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 20:46:56,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 20:46:56,434 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 20:46:56,434 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 20:46:56,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 20:46:56,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 20:46:56,434 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 20:46:56,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 20:46:56,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 20:46:56,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 20:46:56,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 20:46:56,434 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 20:46:56,434 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 20:46:56,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 20:46:56,435 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 20:46:56,435 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 20:46:56,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 20:46:56,435 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 20:46:56,435 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 20:46:56,435 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 20:46:56,435 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 20:46:56,435 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 -> 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2025-01-23 20:46:56,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 20:46:56,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 20:46:56,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 20:46:56,677 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 20:46:56,677 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 20:46:56,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2025-01-23 20:46:57,777 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/664a5e650/95631a8e5f5243cab71810fb6e7828a8/FLAG78a537861 [2025-01-23 20:46:57,965 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 20:46:57,969 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2025-01-23 20:46:57,976 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/664a5e650/95631a8e5f5243cab71810fb6e7828a8/FLAG78a537861 [2025-01-23 20:46:57,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/664a5e650/95631a8e5f5243cab71810fb6e7828a8 [2025-01-23 20:46:57,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 20:46:57,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 20:46:57,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 20:46:57,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 20:46:57,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 20:46:57,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 08:46:57" (1/1) ... [2025-01-23 20:46:57,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b20606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:57, skipping insertion in model container [2025-01-23 20:46:57,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 08:46:57" (1/1) ... [2025-01-23 20:46:58,009 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 20:46:58,135 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/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2025-01-23 20:46:58,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 20:46:58,147 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 20:46:58,191 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/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2025-01-23 20:46:58,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 20:46:58,201 INFO L204 MainTranslator]: Completed translation [2025-01-23 20:46:58,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:58 WrapperNode [2025-01-23 20:46:58,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 20:46:58,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 20:46:58,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 20:46:58,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 20:46:58,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:58" (1/1) ... [2025-01-23 20:46:58,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:58" (1/1) ... [2025-01-23 20:46:58,221 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 108 [2025-01-23 20:46:58,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 20:46:58,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 20:46:58,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 20:46:58,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 20:46:58,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:58" (1/1) ... [2025-01-23 20:46:58,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:58" (1/1) ... [2025-01-23 20:46:58,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:58" (1/1) ... [2025-01-23 20:46:58,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:58" (1/1) ... [2025-01-23 20:46:58,231 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:58" (1/1) ... [2025-01-23 20:46:58,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:58" (1/1) ... [2025-01-23 20:46:58,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:58" (1/1) ... [2025-01-23 20:46:58,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:58" (1/1) ... [2025-01-23 20:46:58,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:58" (1/1) ... [2025-01-23 20:46:58,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 20:46:58,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 20:46:58,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 20:46:58,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 20:46:58,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:58" (1/1) ... [2025-01-23 20:46:58,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 20:46:58,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:46:58,266 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) [2025-01-23 20:46:58,268 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 [2025-01-23 20:46:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 20:46:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-23 20:46:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-23 20:46:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-23 20:46:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-23 20:46:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-23 20:46:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-23 20:46:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-23 20:46:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-23 20:46:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 20:46:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-23 20:46:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-23 20:46:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 20:46:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 20:46:58,284 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 20:46:58,346 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 20:46:58,347 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 20:46:58,479 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 20:46:58,480 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 20:46:58,611 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 20:46:58,612 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-23 20:46:58,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 08:46:58 BoogieIcfgContainer [2025-01-23 20:46:58,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 20:46:58,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 20:46:58,614 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 20:46:58,617 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 20:46:58,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 08:46:57" (1/3) ... [2025-01-23 20:46:58,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576e47a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 08:46:58, skipping insertion in model container [2025-01-23 20:46:58,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:46:58" (2/3) ... [2025-01-23 20:46:58,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576e47a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 08:46:58, skipping insertion in model container [2025-01-23 20:46:58,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 08:46:58" (3/3) ... [2025-01-23 20:46:58,621 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2025-01-23 20:46:58,630 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 20:46:58,632 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c that has 5 procedures, 33 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-01-23 20:46:58,632 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 20:46:58,679 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-01-23 20:46:58,728 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 20:46:58,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 20:46:58,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:46:58,731 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) [2025-01-23 20:46:58,732 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 [2025-01-23 20:46:58,783 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 20:46:58,794 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 20:46:58,800 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;@1c5a4b3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 20:46:58,802 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-01-23 20:46:59,262 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:46:59,262 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:46:59,263 INFO L139 ounterexampleChecker]: Examining path program with hash 1445722021, occurence #1 [2025-01-23 20:46:59,263 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:46:59,264 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:46:59,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:46:59,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1487589633, now seen corresponding path program 1 times [2025-01-23 20:46:59,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:46:59,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709792753] [2025-01-23 20:46:59,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:46:59,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:46:59,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-23 20:46:59,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-23 20:46:59,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:46:59,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:46:59,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:46:59,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:46:59,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709792753] [2025-01-23 20:46:59,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709792753] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 20:46:59,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 20:46:59,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-23 20:46:59,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23765617] [2025-01-23 20:46:59,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 20:46:59,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-23 20:46:59,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:46:59,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-23 20:46:59,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-01-23 20:46:59,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:46:59,826 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:46:59,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:46:59,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:00,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:47:00,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 20:47:00,089 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:47:00,089 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:47:00,089 INFO L139 ounterexampleChecker]: Examining path program with hash -904412143, occurence #1 [2025-01-23 20:47:00,089 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:47:00,089 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:47:00,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:47:00,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1973583595, now seen corresponding path program 2 times [2025-01-23 20:47:00,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:47:00,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411304588] [2025-01-23 20:47:00,090 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 20:47:00,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:47:00,101 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-01-23 20:47:00,111 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-01-23 20:47:00,111 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 20:47:00,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:00,244 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-23 20:47:00,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:47:00,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411304588] [2025-01-23 20:47:00,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411304588] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:47:00,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511363701] [2025-01-23 20:47:00,245 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 20:47:00,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:47:00,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:47:00,248 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) [2025-01-23 20:47:00,250 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 [2025-01-23 20:47:00,293 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-01-23 20:47:00,318 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-01-23 20:47:00,319 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 20:47:00,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:00,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-23 20:47:00,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:47:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-23 20:47:00,490 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:47:00,618 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-23 20:47:00,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511363701] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:47:00,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:47:00,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-01-23 20:47:00,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659814502] [2025-01-23 20:47:00,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:47:00,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-23 20:47:00,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:47:00,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-23 20:47:00,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2025-01-23 20:47:00,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:00,621 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:47:00,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 13 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:47:00,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:47:00,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:00,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:47:00,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:47:00,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-23 20:47:01,112 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 [2025-01-23 20:47:01,113 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:47:01,113 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:47:01,113 INFO L139 ounterexampleChecker]: Examining path program with hash -904412143, occurence #2 [2025-01-23 20:47:01,113 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 20:47:01,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 20:47:01,126 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:47:01,126 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 20:47:01,126 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:47:01,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-23 20:47:01,127 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:47:01,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-23 20:47:01,127 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:47:01,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-23 20:47:01,127 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:47:01,127 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 20:47:01,128 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:47:01,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:47:01,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1408590341, now seen corresponding path program 3 times [2025-01-23 20:47:01,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:47:01,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095388344] [2025-01-23 20:47:01,129 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 20:47:01,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:47:01,139 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 61 statements into 4 equivalence classes. [2025-01-23 20:47:01,160 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 61 of 61 statements. [2025-01-23 20:47:01,160 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-23 20:47:01,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-23 20:47:01,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:47:01,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095388344] [2025-01-23 20:47:01,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095388344] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:47:01,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417885365] [2025-01-23 20:47:01,437 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 20:47:01,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:47:01,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:47:01,439 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) [2025-01-23 20:47:01,441 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 [2025-01-23 20:47:01,487 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 61 statements into 4 equivalence classes. [2025-01-23 20:47:01,510 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 61 of 61 statements. [2025-01-23 20:47:01,510 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-23 20:47:01,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:01,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-23 20:47:01,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:47:01,757 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:47:01,757 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:47:02,013 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:47:02,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417885365] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:47:02,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:47:02,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 26 [2025-01-23 20:47:02,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754946605] [2025-01-23 20:47:02,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:47:02,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-23 20:47:02,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:47:02,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-23 20:47:02,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2025-01-23 20:47:02,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:02,015 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:47:02,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.592592592592593) internal successors, (151), 26 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:47:02,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:47:02,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:47:02,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:03,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:47:03,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:47:03,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-23 20:47:03,344 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 [2025-01-23 20:47:03,539 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 [2025-01-23 20:47:03,539 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:47:03,539 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:47:03,539 INFO L139 ounterexampleChecker]: Examining path program with hash -840781379, occurence #1 [2025-01-23 20:47:03,539 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:47:03,539 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:47:03,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:47:03,539 INFO L85 PathProgramCache]: Analyzing trace with hash 357452345, now seen corresponding path program 4 times [2025-01-23 20:47:03,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:47:03,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645303545] [2025-01-23 20:47:03,540 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 20:47:03,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:47:03,546 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 101 statements into 2 equivalence classes. [2025-01-23 20:47:03,575 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-01-23 20:47:03,575 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 20:47:03,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:03,973 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-23 20:47:03,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:47:03,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645303545] [2025-01-23 20:47:03,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645303545] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 20:47:03,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 20:47:03,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-23 20:47:03,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785340440] [2025-01-23 20:47:03,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 20:47:03,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-23 20:47:03,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:47:03,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-23 20:47:03,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-23 20:47:03,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:03,975 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:47:03,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:47:03,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:47:03,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:47:03,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-23 20:47:03,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:04,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:47:04,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:47:04,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-23 20:47:04,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:47:04,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-23 20:47:04,132 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:47:04,133 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:47:04,133 INFO L139 ounterexampleChecker]: Examining path program with hash -678267316, occurence #1 [2025-01-23 20:47:04,133 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:47:04,133 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:47:04,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:47:04,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1331824073, now seen corresponding path program 5 times [2025-01-23 20:47:04,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:47:04,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707834974] [2025-01-23 20:47:04,133 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 20:47:04,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:47:04,140 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 9 equivalence classes. [2025-01-23 20:47:04,153 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 107 of 107 statements. [2025-01-23 20:47:04,154 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-23 20:47:04,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2025-01-23 20:47:04,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:47:04,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707834974] [2025-01-23 20:47:04,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707834974] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:47:04,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377354917] [2025-01-23 20:47:04,455 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 20:47:04,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:47:04,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:47:04,456 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) [2025-01-23 20:47:04,458 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 [2025-01-23 20:47:04,504 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 9 equivalence classes. [2025-01-23 20:47:04,541 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 107 of 107 statements. [2025-01-23 20:47:04,541 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-23 20:47:04,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:04,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-23 20:47:04,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:47:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 15 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:47:05,094 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:47:05,735 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 15 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:47:05,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377354917] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:47:05,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:47:05,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 24, 24] total 50 [2025-01-23 20:47:05,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56642959] [2025-01-23 20:47:05,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:47:05,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2025-01-23 20:47:05,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:47:05,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2025-01-23 20:47:05,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=673, Invalid=1877, Unknown=0, NotChecked=0, Total=2550 [2025-01-23 20:47:05,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:05,738 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:47:05,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 4.450980392156863) internal successors, (227), 50 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:47:05,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:47:05,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:47:05,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-23 20:47:05,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:47:05,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:47:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:47:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-01-23 20:47:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:47:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-01-23 20:47:11,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-23 20:47:11,608 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 [2025-01-23 20:47:11,608 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:47:11,608 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:47:11,609 INFO L139 ounterexampleChecker]: Examining path program with hash 1432624178, occurence #1 [2025-01-23 20:47:11,609 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:47:11,609 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:47:11,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:47:11,610 INFO L85 PathProgramCache]: Analyzing trace with hash -710985081, now seen corresponding path program 6 times [2025-01-23 20:47:11,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:47:11,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407609043] [2025-01-23 20:47:11,610 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 20:47:11,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:47:11,619 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 199 statements into 21 equivalence classes. [2025-01-23 20:47:11,707 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 199 of 199 statements. [2025-01-23 20:47:11,707 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-01-23 20:47:11,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:12,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2025-01-23 20:47:12,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:47:12,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407609043] [2025-01-23 20:47:12,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407609043] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:47:12,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516240402] [2025-01-23 20:47:12,495 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 20:47:12,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:47:12,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:47:12,497 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) [2025-01-23 20:47:12,498 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 [2025-01-23 20:47:12,554 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 199 statements into 21 equivalence classes. [2025-01-23 20:47:12,625 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 199 of 199 statements. [2025-01-23 20:47:12,625 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-01-23 20:47:12,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:12,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-01-23 20:47:12,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:47:13,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 1584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:47:13,776 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:47:14,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 1584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:47:14,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516240402] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:47:14,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:47:14,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 48, 48] total 100 [2025-01-23 20:47:14,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006446390] [2025-01-23 20:47:14,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:47:14,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2025-01-23 20:47:14,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:47:14,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2025-01-23 20:47:14,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2808, Invalid=7292, Unknown=0, NotChecked=0, Total=10100 [2025-01-23 20:47:14,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:14,728 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:47:14,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 4.158415841584159) internal successors, (420), 100 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:47:14,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:47:14,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:47:14,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-01-23 20:47:14,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:47:14,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-01-23 20:47:14,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:47:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:47:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-23 20:47:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:47:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-23 20:47:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-01-23 20:47:18,127 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 [2025-01-23 20:47:18,321 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 [2025-01-23 20:47:18,322 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:47:18,322 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:47:18,322 INFO L139 ounterexampleChecker]: Examining path program with hash 114442322, occurence #1 [2025-01-23 20:47:18,322 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:47:18,322 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:47:18,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:47:18,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1325968353, now seen corresponding path program 7 times [2025-01-23 20:47:18,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:47:18,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637188918] [2025-01-23 20:47:18,323 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 20:47:18,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:47:18,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-01-23 20:47:18,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-01-23 20:47:18,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:47:18,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2310 backedges. 4 proven. 190 refuted. 0 times theorem prover too weak. 2116 trivial. 0 not checked. [2025-01-23 20:47:19,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:47:19,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637188918] [2025-01-23 20:47:19,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637188918] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:47:19,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909319076] [2025-01-23 20:47:19,984 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 20:47:19,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:47:19,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:47:19,986 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) [2025-01-23 20:47:19,987 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 [2025-01-23 20:47:20,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-01-23 20:47:20,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-01-23 20:47:20,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:47:20,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:20,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 57 conjuncts are in the unsatisfiable core [2025-01-23 20:47:20,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:47:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2310 backedges. 2 proven. 2304 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-23 20:47:21,512 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:47:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2310 backedges. 2 proven. 2304 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-23 20:47:24,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909319076] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:47:24,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:47:24,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 55, 55] total 119 [2025-01-23 20:47:24,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760687211] [2025-01-23 20:47:24,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:47:24,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2025-01-23 20:47:24,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:47:24,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2025-01-23 20:47:24,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2651, Invalid=11629, Unknown=0, NotChecked=0, Total=14280 [2025-01-23 20:47:24,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:24,050 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:47:24,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 4.116666666666666) internal successors, (494), 119 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:47:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:47:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:47:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-23 20:47:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:47:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-23 20:47:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-01-23 20:47:24,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:47:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:47:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-23 20:47:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:47:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-23 20:47:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-01-23 20:47:54,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 355 states. [2025-01-23 20:47:54,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-23 20:47:54,328 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 [2025-01-23 20:47:54,328 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:47:54,328 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:47:54,329 INFO L139 ounterexampleChecker]: Examining path program with hash -455292433, occurence #1 [2025-01-23 20:47:54,329 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:47:54,329 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:47:54,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:47:54,329 INFO L85 PathProgramCache]: Analyzing trace with hash 349922693, now seen corresponding path program 8 times [2025-01-23 20:47:54,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:47:54,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595464194] [2025-01-23 20:47:54,329 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 20:47:54,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:47:54,343 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 463 statements into 2 equivalence classes. [2025-01-23 20:47:54,491 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 463 of 463 statements. [2025-01-23 20:47:54,492 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 20:47:54,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:57,415 INFO L134 CoverageAnalysis]: Checked inductivity of 11240 backedges. 314 proven. 106 refuted. 0 times theorem prover too weak. 10820 trivial. 0 not checked. [2025-01-23 20:47:57,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:47:57,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595464194] [2025-01-23 20:47:57,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595464194] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:47:57,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893987168] [2025-01-23 20:47:57,415 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 20:47:57,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:47:57,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:47:57,417 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) [2025-01-23 20:47:57,418 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 [2025-01-23 20:47:57,520 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 463 statements into 2 equivalence classes. [2025-01-23 20:47:57,639 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 463 of 463 statements. [2025-01-23 20:47:57,639 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 20:47:57,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:57,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 115 conjuncts are in the unsatisfiable core [2025-01-23 20:47:57,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:48:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 11240 backedges. 2 proven. 11236 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-23 20:48:01,386 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:48:09,370 INFO L134 CoverageAnalysis]: Checked inductivity of 11240 backedges. 2 proven. 11236 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-23 20:48:09,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893987168] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:48:09,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:48:09,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 113, 113] total 229 [2025-01-23 20:48:09,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492548751] [2025-01-23 20:48:09,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:48:09,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 230 states [2025-01-23 20:48:09,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:48:09,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2025-01-23 20:48:09,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10144, Invalid=42526, Unknown=0, NotChecked=0, Total=52670 [2025-01-23 20:48:09,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:48:09,381 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:48:09,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 230 states, 230 states have (on average 4.156521739130435) internal successors, (956), 229 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:48:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:48:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:48:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-23 20:48:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:48:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-23 20:48:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-01-23 20:48:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 355 states. [2025-01-23 20:48:09,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:52:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:52:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:52:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-23 20:52:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:52:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-23 20:52:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-01-23 20:52:20,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 355 states. [2025-01-23 20:52:20,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 835 states. [2025-01-23 20:52:20,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-23 20:52:21,019 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 [2025-01-23 20:52:21,019 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:52:21,019 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:52:21,020 INFO L139 ounterexampleChecker]: Examining path program with hash 1729500588, occurence #1 [2025-01-23 20:52:21,020 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:52:21,020 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:52:21,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:52:21,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1540157317, now seen corresponding path program 9 times [2025-01-23 20:52:21,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:52:21,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997719448] [2025-01-23 20:52:21,021 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 20:52:21,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:52:21,044 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 911 statements into 112 equivalence classes. [2025-01-23 20:52:21,597 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 112 check-sat command(s) and asserted 911 of 911 statements. [2025-01-23 20:52:21,597 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 112 check-sat command(s) [2025-01-23 20:52:21,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:53:00,666 INFO L134 CoverageAnalysis]: Checked inductivity of 48951 backedges. 550 proven. 220 refuted. 0 times theorem prover too weak. 48181 trivial. 0 not checked. [2025-01-23 20:53:00,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:53:00,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997719448] [2025-01-23 20:53:00,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997719448] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:53:00,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345826309] [2025-01-23 20:53:00,667 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 20:53:00,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:53:00,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:53:00,668 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) [2025-01-23 20:53:00,669 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 [2025-01-23 20:53:00,804 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 911 statements into 112 equivalence classes. [2025-01-23 20:53:02,021 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 112 check-sat command(s) and asserted 911 of 911 statements. [2025-01-23 20:53:02,021 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 112 check-sat command(s) [2025-01-23 20:53:02,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:53:02,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 891 conjuncts are in the unsatisfiable core [2025-01-23 20:53:02,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:53:02,762 INFO L134 CoverageAnalysis]: Checked inductivity of 48951 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48951 trivial. 0 not checked. [2025-01-23 20:53:02,762 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-23 20:53:02,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345826309] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 20:53:02,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-23 20:53:02,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2025-01-23 20:53:02,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621563537] [2025-01-23 20:53:02,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 20:53:02,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 20:53:02,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:53:02,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 20:53:02,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-23 20:53:02,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:53:02,766 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:53:02,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:53:02,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:53:02,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:53:02,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-23 20:53:02,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:53:02,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-23 20:53:02,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-01-23 20:53:02,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 355 states. [2025-01-23 20:53:02,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 835 states. [2025-01-23 20:53:02,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:53:03,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:53:03,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:53:03,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-23 20:53:03,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:53:03,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-23 20:53:03,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-01-23 20:53:03,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2025-01-23 20:53:03,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 840 states. [2025-01-23 20:53:03,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:53:03,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-23 20:53:03,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:53:03,828 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:53:03,828 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:53:03,829 INFO L139 ounterexampleChecker]: Examining path program with hash -1381264214, occurence #1 [2025-01-23 20:53:03,829 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:53:03,829 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:53:03,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:53:03,829 INFO L85 PathProgramCache]: Analyzing trace with hash -285008313, now seen corresponding path program 10 times [2025-01-23 20:53:03,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:53:03,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320173916] [2025-01-23 20:53:03,829 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 20:53:03,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:53:03,853 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 947 statements into 2 equivalence classes. [2025-01-23 20:53:04,589 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 947 of 947 statements. [2025-01-23 20:53:04,589 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 20:53:04,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:53:44,872 INFO L134 CoverageAnalysis]: Checked inductivity of 50076 backedges. 12 proven. 1224 refuted. 0 times theorem prover too weak. 48840 trivial. 0 not checked. [2025-01-23 20:53:44,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:53:44,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320173916] [2025-01-23 20:53:44,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320173916] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:53:44,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258386195] [2025-01-23 20:53:44,873 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 20:53:44,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:53:44,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:53:44,875 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:53:44,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-23 20:53:45,014 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 947 statements into 2 equivalence classes. [2025-01-23 20:53:45,261 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 947 of 947 statements. [2025-01-23 20:53:45,261 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 20:53:45,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:53:45,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 2713 conjuncts, 462 conjuncts are in the unsatisfiable core [2025-01-23 20:53:45,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:53:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 50076 backedges. 12 proven. 1224 refuted. 0 times theorem prover too weak. 48840 trivial. 0 not checked. [2025-01-23 20:53:46,037 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:53:47,308 INFO L134 CoverageAnalysis]: Checked inductivity of 50076 backedges. 12 proven. 1224 refuted. 0 times theorem prover too weak. 48840 trivial. 0 not checked. [2025-01-23 20:53:47,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258386195] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:53:47,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:53:47,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2025-01-23 20:53:47,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433634102] [2025-01-23 20:53:47,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:53:47,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-23 20:53:47,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:53:47,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-23 20:53:47,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-23 20:53:47,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:53:47,310 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:53:47,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:53:47,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:53:47,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:53:47,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-23 20:53:47,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:53:47,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-23 20:53:47,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-01-23 20:53:47,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 357 states. [2025-01-23 20:53:47,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 840 states. [2025-01-23 20:53:47,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:53:47,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:53:47,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:53:47,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:53:47,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-23 20:53:47,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:53:47,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-23 20:53:47,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-01-23 20:53:47,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2025-01-23 20:53:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 840 states. [2025-01-23 20:53:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:53:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:53:47,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-23 20:53:47,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:53:47,798 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 20:53:47,798 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:53:47,799 INFO L139 ounterexampleChecker]: Examining path program with hash -1219098139, occurence #1 [2025-01-23 20:53:47,799 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:53:47,799 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:53:47,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:53:47,800 INFO L85 PathProgramCache]: Analyzing trace with hash 275049397, now seen corresponding path program 11 times [2025-01-23 20:53:47,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:53:47,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646896662] [2025-01-23 20:53:47,800 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 20:53:47,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:53:47,823 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 951 statements into 113 equivalence classes. [2025-01-23 20:53:48,195 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) and asserted 951 of 951 statements. [2025-01-23 20:53:48,195 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) [2025-01-23 20:53:48,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:54:01,845 INFO L134 CoverageAnalysis]: Checked inductivity of 50080 backedges. 15 proven. 1221 refuted. 0 times theorem prover too weak. 48844 trivial. 0 not checked. [2025-01-23 20:54:01,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:54:01,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646896662] [2025-01-23 20:54:01,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646896662] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:54:01,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410485964] [2025-01-23 20:54:01,845 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 20:54:01,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:54:01,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:54:01,847 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:54:01,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-23 20:54:01,983 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 951 statements into 113 equivalence classes. [2025-01-23 20:54:02,696 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) and asserted 951 of 951 statements. [2025-01-23 20:54:02,696 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) [2025-01-23 20:54:02,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:54:02,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 2723 conjuncts, 236 conjuncts are in the unsatisfiable core [2025-01-23 20:54:02,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:54:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 50080 backedges. 16 proven. 50064 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:54:13,939 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:54:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 50080 backedges. 16 proven. 50064 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:54:42,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410485964] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:54:42,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:54:42,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 234, 234] total 473 [2025-01-23 20:54:42,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9884019] [2025-01-23 20:54:42,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:54:42,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 474 states [2025-01-23 20:54:42,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:54:42,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 474 interpolants. [2025-01-23 20:54:42,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55708, Invalid=168494, Unknown=0, NotChecked=0, Total=224202 [2025-01-23 20:54:42,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:54:42,359 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:54:42,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 474 states, 474 states have (on average 4.090717299578059) internal successors, (1939), 473 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 20:54:42,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 20:54:42,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 20:54:42,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-23 20:54:42,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:54:42,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-23 20:54:42,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-01-23 20:54:42,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 357 states. [2025-01-23 20:54:42,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 840 states. [2025-01-23 20:54:42,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:54:42,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 20:54:42,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15