./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-node-subst.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-node-subst.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 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0 --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 13:24:46,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 13:24:46,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 13:24:46,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 13:24:46,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 13:24:46,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 13:24:46,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 13:24:46,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 13:24:46,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 13:24:46,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 13:24:46,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 13:24:46,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 13:24:46,173 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 13:24:46,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 13:24:46,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 13:24:46,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 13:24:46,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 13:24:46,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 13:24:46,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 13:24:46,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 13:24:46,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 13:24:46,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 13:24:46,175 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 13:24:46,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 13:24:46,175 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 13:24:46,175 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 13:24:46,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 13:24:46,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 13:24:46,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 13:24:46,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 13:24:46,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 13:24:46,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 13:24:46,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 13:24:46,176 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 13:24:46,176 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 13:24:46,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 13:24:46,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 13:24:46,176 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 13:24:46,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 13:24:46,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 13:24:46,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 13:24:46,177 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 13:24:46,177 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 13:24:46,177 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 -> 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-17 13:24:46,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 13:24:46,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 13:24:46,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 13:24:46,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 13:24:46,487 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 13:24:46,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-node-subst.wvr.c [2024-12-17 13:24:47,744 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/1c8dae4a8/78963d09958d460b941563867cdfb693/FLAGe7d54b574 [2024-12-17 13:24:48,027 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 13:24:48,027 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-node-subst.wvr.c [2024-12-17 13:24:48,038 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/1c8dae4a8/78963d09958d460b941563867cdfb693/FLAGe7d54b574 [2024-12-17 13:24:48,055 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/1c8dae4a8/78963d09958d460b941563867cdfb693 [2024-12-17 13:24:48,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 13:24:48,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 13:24:48,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 13:24:48,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 13:24:48,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 13:24:48,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 01:24:48" (1/1) ... [2024-12-17 13:24:48,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de8961e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48, skipping insertion in model container [2024-12-17 13:24:48,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 01:24:48" (1/1) ... [2024-12-17 13:24:48,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 13:24:48,266 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-node-subst.wvr.c[4035,4048] [2024-12-17 13:24:48,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 13:24:48,298 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 13:24:48,317 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-node-subst.wvr.c[4035,4048] [2024-12-17 13:24:48,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 13:24:48,336 INFO L204 MainTranslator]: Completed translation [2024-12-17 13:24:48,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48 WrapperNode [2024-12-17 13:24:48,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 13:24:48,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 13:24:48,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 13:24:48,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 13:24:48,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48" (1/1) ... [2024-12-17 13:24:48,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48" (1/1) ... [2024-12-17 13:24:48,391 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 22, calls inlined = 34, statements flattened = 406 [2024-12-17 13:24:48,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 13:24:48,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 13:24:48,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 13:24:48,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 13:24:48,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48" (1/1) ... [2024-12-17 13:24:48,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48" (1/1) ... [2024-12-17 13:24:48,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48" (1/1) ... [2024-12-17 13:24:48,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48" (1/1) ... [2024-12-17 13:24:48,431 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48" (1/1) ... [2024-12-17 13:24:48,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48" (1/1) ... [2024-12-17 13:24:48,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48" (1/1) ... [2024-12-17 13:24:48,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48" (1/1) ... [2024-12-17 13:24:48,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48" (1/1) ... [2024-12-17 13:24:48,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 13:24:48,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 13:24:48,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 13:24:48,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 13:24:48,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48" (1/1) ... [2024-12-17 13:24:48,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 13:24:48,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:24:48,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-17 13:24:48,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-17 13:24:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 13:24:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 13:24:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 13:24:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 13:24:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 13:24:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 13:24:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 13:24:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-17 13:24:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-17 13:24:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 13:24:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 13:24:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 13:24:48,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 13:24:48,514 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 13:24:48,647 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 13:24:48,649 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 13:24:49,288 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 13:24:49,288 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 13:24:49,763 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 13:24:49,763 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 13:24:49,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 01:24:49 BoogieIcfgContainer [2024-12-17 13:24:49,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 13:24:49,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 13:24:49,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 13:24:49,771 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 13:24:49,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 01:24:48" (1/3) ... [2024-12-17 13:24:49,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2877cbfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 01:24:49, skipping insertion in model container [2024-12-17 13:24:49,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:24:48" (2/3) ... [2024-12-17 13:24:49,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2877cbfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 01:24:49, skipping insertion in model container [2024-12-17 13:24:49,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 01:24:49" (3/3) ... [2024-12-17 13:24:49,775 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-node-subst.wvr.c [2024-12-17 13:24:49,789 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 13:24:49,791 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-node-subst.wvr.c that has 4 procedures, 26 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-12-17 13:24:49,791 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 13:24:49,869 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-17 13:24:49,919 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 13:24:49,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 13:24:49,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:24:49,924 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-17 13:24:49,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-17 13:24:50,015 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 13:24:50,029 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 13:24:50,037 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;@4b425df1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 13:24:50,037 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-17 13:24:51,094 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 1 more)] === [2024-12-17 13:24:51,095 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:24:51,095 INFO L139 ounterexampleChecker]: Examining path program with hash 1797005476, occurence #1 [2024-12-17 13:24:51,096 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 13:24:51,096 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:24:51,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:24:51,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1270709395, now seen corresponding path program 1 times [2024-12-17 13:24:51,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 13:24:51,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569014631] [2024-12-17 13:24:51,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:24:51,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 13:24:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:24:51,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 13:24:51,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 13:24:51,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569014631] [2024-12-17 13:24:51,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569014631] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 13:24:51,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 13:24:51,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 13:24:51,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883200748] [2024-12-17 13:24:51,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 13:24:51,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 13:24:51,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 13:24:51,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 13:24:51,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 13:24:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:24:51,803 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:24:51,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 13:24:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:24:51,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:24:51,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 13:24:51,894 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 1 more)] === [2024-12-17 13:24:51,894 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:24:51,894 INFO L139 ounterexampleChecker]: Examining path program with hash 1797005476, occurence #2 [2024-12-17 13:24:51,894 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:24:51,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 13:24:51,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:51,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 13:24:51,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:51,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 13:24:51,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:51,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 13:24:52,233 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:52,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 13:24:52,234 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:52,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 13:24:52,234 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:52,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 13:24:52,234 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:52,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 13:24:52,234 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:52,234 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:24:52,234 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:24:52,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:24:52,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1689598028, now seen corresponding path program 1 times [2024-12-17 13:24:52,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 13:24:52,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123657663] [2024-12-17 13:24:52,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:24:52,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 13:24:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:24:52,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 13:24:52,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 13:24:52,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123657663] [2024-12-17 13:24:52,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123657663] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 13:24:52,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 13:24:52,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 13:24:52,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005417958] [2024-12-17 13:24:52,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 13:24:52,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 13:24:52,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 13:24:52,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 13:24:52,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 13:24:52,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:24:52,514 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:24:52,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 13:24:52,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:24:52,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:24:52,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:24:52,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:52,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 13:24:52,609 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 1 more)] === [2024-12-17 13:24:52,609 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:24:52,609 INFO L139 ounterexampleChecker]: Examining path program with hash 1797005476, occurence #3 [2024-12-17 13:24:52,609 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:24:52,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 13:24:52,609 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:52,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 13:24:52,609 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:52,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 13:24:52,609 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:52,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 13:24:52,609 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:52,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 13:24:52,609 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:52,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 13:24:52,610 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:52,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 13:24:52,610 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:52,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 13:24:52,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:52,610 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:24:52,610 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:24:52,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:24:52,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1427418846, now seen corresponding path program 1 times [2024-12-17 13:24:52,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 13:24:52,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816723920] [2024-12-17 13:24:52,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:24:52,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 13:24:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:24:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 13:24:52,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 13:24:52,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816723920] [2024-12-17 13:24:52,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816723920] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 13:24:52,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 13:24:52,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 13:24:52,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794686231] [2024-12-17 13:24:52,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 13:24:52,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 13:24:52,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 13:24:52,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 13:24:52,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-17 13:24:52,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:24:52,848 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:24:52,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 13:24:52,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:24:52,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:52,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:24:52,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:24:52,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:52,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:52,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-17 13:24:52,924 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 1 more)] === [2024-12-17 13:24:52,924 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:24:52,924 INFO L139 ounterexampleChecker]: Examining path program with hash 1797005476, occurence #4 [2024-12-17 13:24:52,925 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:24:52,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 13:24:52,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:52,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 13:24:52,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:52,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 13:24:52,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:52,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 13:24:52,926 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:52,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 13:24:52,926 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:52,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 13:24:52,926 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:52,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 13:24:52,927 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:52,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 13:24:52,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:52,927 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:24:52,927 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:24:52,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:24:52,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1553582512, now seen corresponding path program 1 times [2024-12-17 13:24:52,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 13:24:52,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148444300] [2024-12-17 13:24:52,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:24:52,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 13:24:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:24:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 13:24:53,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 13:24:53,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148444300] [2024-12-17 13:24:53,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148444300] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 13:24:53,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288951678] [2024-12-17 13:24:53,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:24:53,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:24:53,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:24:53,233 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 13:24:53,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-17 13:24:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:24:53,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-17 13:24:53,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:24:53,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 13:24:53,446 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 13:24:53,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288951678] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 13:24:53,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 13:24:53,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-17 13:24:53,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902776687] [2024-12-17 13:24:53,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 13:24:53,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 13:24:53,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 13:24:53,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 13:24:53,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-17 13:24:53,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:24:53,449 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:24:53,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 13:24:53,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:24:53,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:53,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:53,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:24:53,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:24:53,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:53,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:53,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:53,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-17 13:24:53,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:24:53,730 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 1 more)] === [2024-12-17 13:24:53,730 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:24:53,730 INFO L139 ounterexampleChecker]: Examining path program with hash 1797005476, occurence #5 [2024-12-17 13:24:53,731 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:24:53,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 13:24:53,731 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:53,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 13:24:53,731 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:53,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 13:24:53,731 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:53,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 13:24:53,731 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:53,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 13:24:53,731 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:53,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 13:24:53,732 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:53,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 13:24:53,732 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:53,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-17 13:24:53,732 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:53,732 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:24:53,732 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:24:53,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:24:53,732 INFO L85 PathProgramCache]: Analyzing trace with hash -671855362, now seen corresponding path program 1 times [2024-12-17 13:24:53,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 13:24:53,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28008132] [2024-12-17 13:24:53,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:24:53,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 13:24:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:24:53,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 13:24:53,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 13:24:53,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28008132] [2024-12-17 13:24:53,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28008132] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 13:24:53,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 13:24:53,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 13:24:53,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051156474] [2024-12-17 13:24:53,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 13:24:53,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 13:24:53,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 13:24:53,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 13:24:53,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-17 13:24:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:24:53,918 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:24:53,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 13:24:53,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:24:53,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:53,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:53,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:53,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:24:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:24:53,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:53,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:53,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:53,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:53,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-17 13:24:53,999 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 1 more)] === [2024-12-17 13:24:54,000 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:24:54,000 INFO L139 ounterexampleChecker]: Examining path program with hash 1797005476, occurence #6 [2024-12-17 13:24:54,000 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:24:54,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 13:24:54,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:54,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 13:24:54,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:54,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 13:24:54,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:54,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 13:24:54,000 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:54,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 13:24:54,000 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:54,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 13:24:54,000 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:54,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 13:24:54,000 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:54,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 13:24:54,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:54,000 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:24:54,001 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:24:54,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:24:54,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1524868196, now seen corresponding path program 1 times [2024-12-17 13:24:54,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 13:24:54,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990330850] [2024-12-17 13:24:54,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:24:54,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 13:24:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:24:54,263 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 13:24:54,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 13:24:54,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990330850] [2024-12-17 13:24:54,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990330850] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 13:24:54,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420624028] [2024-12-17 13:24:54,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:24:54,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:24:54,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:24:54,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 13:24:54,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-17 13:24:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:24:54,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-17 13:24:54,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:24:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 13:24:54,457 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 13:24:54,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420624028] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 13:24:54,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 13:24:54,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-12-17 13:24:54,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058365883] [2024-12-17 13:24:54,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 13:24:54,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 13:24:54,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 13:24:54,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 13:24:54,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-17 13:24:54,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:24:54,458 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:24:54,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 13:24:54,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:24:54,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:54,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:54,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:54,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:54,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:24:54,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:24:54,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:54,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:54,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:54,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:54,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 13:24:54,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-17 13:24:54,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:24:54,738 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 1 more)] === [2024-12-17 13:24:54,738 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:24:54,738 INFO L139 ounterexampleChecker]: Examining path program with hash 1797005476, occurence #7 [2024-12-17 13:24:54,738 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:24:54,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 13:24:54,738 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:54,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 13:24:54,738 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:54,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 13:24:54,738 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:54,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 13:24:54,738 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:54,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 13:24:54,738 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:54,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 13:24:54,739 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:54,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 13:24:54,739 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:24:54,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 13:24:54,739 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:24:54,739 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:24:54,739 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:24:54,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:24:54,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1707518308, now seen corresponding path program 1 times [2024-12-17 13:24:54,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 13:24:54,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717761989] [2024-12-17 13:24:54,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:24:54,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 13:24:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:24:59,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 13:24:59,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 13:24:59,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717761989] [2024-12-17 13:24:59,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717761989] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 13:24:59,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132036340] [2024-12-17 13:24:59,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:24:59,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:24:59,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:24:59,086 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 13:24:59,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-17 13:24:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:24:59,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 13:24:59,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:25:03,495 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse8 (select (select |c_#memory_int| c_~get_5~0.base) (+ (* c_~id_3~0 4) c_~get_5~0.offset))) (.cse11 (= (mod (select (select |c_#memory_int| c_~contains_key_7~0.base) (+ c_~id_6~0 c_~contains_key_7~0.offset)) 256) 0)) (.cse4 (select (select |c_#memory_int| c_~get_8~0.base) (+ (* c_~id_6~0 4) c_~get_8~0.offset)))) (let ((.cse17 (= (+ c_~result_12~0 1) 0)) (.cse16 (= c_~result_12~0 0)) (.cse23 (+ .cse4 1)) (.cse21 (= c_~result_12~0 1)) (.cse12 (not .cse11)) (.cse29 (+ 2147483647 .cse8)) (.cse2 (+ .cse4 2147483647)) (.cse3 (+ .cse4 c_~result_12~0)) (.cse30 (+ .cse8 c_~result_9~0)) (.cse26 (= (mod (select (select |c_#memory_int| c_~contains_key_4~0.base) (+ c_~contains_key_4~0.offset c_~id_3~0)) 256) 0))) (or (and (let ((.cse10 (= c_~result_9~0 0)) (.cse0 (+ .cse8 1)) (.cse5 (= c_~result_9~0 1)) (.cse6 (= (+ c_~result_9~0 1) 0))) (or (and (or (and (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse1 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (<= .cse0 .cse1) (<= .cse1 .cse2) (= .cse3 .cse1) (<= .cse4 (+ .cse1 2147483648))))) .cse5) (and .cse6 (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse7 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (<= (+ .cse7 1) .cse8) (<= .cse7 .cse2) (= .cse3 .cse7) (<= .cse4 (+ .cse7 2147483648)))))) (and (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse9 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (= .cse9 .cse8) (<= .cse9 .cse2) (= .cse3 .cse9) (<= .cse4 (+ .cse9 2147483648))))) .cse10)) .cse11) (and .cse12 (or (and (or (and .cse6 (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse13 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (<= (+ .cse13 1) .cse8) (= .cse4 .cse13))))) (and (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse14 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (= .cse4 .cse14) (= .cse14 .cse8)))) .cse10) (and (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse15 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (= .cse4 .cse15) (<= .cse0 .cse15)))) .cse5)) .cse16) (and .cse17 (or (and .cse6 (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse18 (+ (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)) 1))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (<= .cse18 .cse8) (<= .cse18 .cse4))))) (and .cse5 (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse19 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (<= .cse0 .cse19) (<= (+ .cse19 1) .cse4))))) (and (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse20 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (= .cse20 .cse8) (<= (+ .cse20 1) .cse4)))) .cse10))) (and .cse21 (or (and .cse10 (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse22 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (= .cse22 .cse8) (<= .cse23 .cse22))))) (and (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse24 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (<= .cse0 .cse24) (<= .cse23 .cse24)))) .cse5) (and .cse6 (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse25 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (<= (+ .cse25 1) .cse8) (<= .cse23 .cse25))))))))))) (not .cse26)) (exists ((~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (and (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0) (exists ((~get_2~0.base Int) (~get_2~0.offset Int)) (let ((.cse28 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (let ((.cse27 (+ .cse28 2147483648))) (and (<= .cse8 .cse27) (<= .cse28 .cse29) (<= .cse28 .cse2) (= .cse3 .cse28) (= .cse30 .cse28) (<= .cse4 .cse27))))))) (and (or (and (or (and (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse31 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (<= .cse8 (+ .cse31 2147483648)) (<= .cse31 .cse29) (<= (+ .cse31 1) .cse4) (= .cse30 .cse31)))) .cse17) (and (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse32 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (<= .cse8 (+ .cse32 2147483648)) (= .cse4 .cse32) (<= .cse32 .cse29) (= .cse30 .cse32)))) .cse16) (and (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~contains_key_1~0.offset Int) (~id_0~0 Int) (~contains_key_1~0.base Int)) (let ((.cse33 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (and (not (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (<= .cse8 (+ .cse33 2147483648)) (<= .cse33 .cse29) (<= .cse23 .cse33) (= .cse30 .cse33)))) .cse21)) .cse12) (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~id_0~0 Int)) (let ((.cse35 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (let ((.cse34 (+ .cse35 2147483648))) (and (<= .cse8 .cse34) (<= .cse35 .cse29) (<= .cse35 .cse2) (= .cse3 .cse35) (exists ((~contains_key_1~0.offset Int) (~contains_key_1~0.base Int)) (= (mod (select (select |c_#memory_int| ~contains_key_1~0.base) (+ ~id_0~0 ~contains_key_1~0.offset)) 256) 0)) (= .cse30 .cse35) (<= .cse4 .cse34))))) (and (exists ((~get_2~0.base Int) (~get_2~0.offset Int) (~id_0~0 Int)) (let ((.cse37 (select (select |c_#memory_int| ~get_2~0.base) (+ (* ~id_0~0 4) ~get_2~0.offset)))) (let ((.cse36 (+ .cse37 2147483648))) (and (<= .cse8 .cse36) (<= .cse37 .cse29) (<= .cse37 .cse2) (= .cse3 .cse37) (= .cse30 .cse37) (<= .cse4 .cse36))))) .cse11)) .cse26)))) is different from true [2024-12-17 13:27:57,663 WARN L286 SmtUtils]: Spent 2.83m on a formula simplification that was a NOOP. DAG size: 4683 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-12-17 13:27:57,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 13:27:57,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 39 select indices, 39 select index equivalence classes, 0 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 741 case distinctions, treesize of input 1877 treesize of output 14019 Killed by 15