./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue.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 387879bf92b16ead997b40b3e249348f8a6b399496756f9bc3c41b6dc3c21353 --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 21:33:59,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 21:33:59,909 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 21:33:59,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 21:33:59,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 21:33:59,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 21:33:59,941 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 21:33:59,941 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 21:33:59,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 21:33:59,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 21:33:59,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 21:33:59,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 21:33:59,943 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 21:33:59,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 21:33:59,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 21:33:59,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 21:33:59,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 21:33:59,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 21:33:59,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 21:33:59,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 21:33:59,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 21:33:59,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 21:33:59,944 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 21:33:59,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 21:33:59,945 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 21:33:59,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 21:33:59,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 21:33:59,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 21:33:59,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 21:33:59,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 21:33:59,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 21:33:59,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 21:33:59,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 21:33:59,945 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 21:33:59,945 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 21:33:59,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 21:33:59,945 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 21:33:59,945 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 21:33:59,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 21:33:59,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 21:33:59,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 21:33:59,946 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 21:33:59,946 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 21:33:59,946 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 -> 387879bf92b16ead997b40b3e249348f8a6b399496756f9bc3c41b6dc3c21353 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 21:34:00,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 21:34:00,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 21:34:00,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 21:34:00,186 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 21:34:00,187 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 21:34:00,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c [2024-12-17 21:34:01,390 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/74d37567e/dc5860c31a5a40408cce940509603f5a/FLAG6ce3840e3 [2024-12-17 21:34:01,658 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 21:34:01,658 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c [2024-12-17 21:34:01,671 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/74d37567e/dc5860c31a5a40408cce940509603f5a/FLAG6ce3840e3 [2024-12-17 21:34:01,690 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/74d37567e/dc5860c31a5a40408cce940509603f5a [2024-12-17 21:34:01,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 21:34:01,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 21:34:01,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 21:34:01,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 21:34:01,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 21:34:01,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 09:34:01" (1/1) ... [2024-12-17 21:34:01,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@daa0f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01, skipping insertion in model container [2024-12-17 21:34:01,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 09:34:01" (1/1) ... [2024-12-17 21:34:01,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 21:34:01,878 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-bad-counter-queue.wvr.c[2142,2155] [2024-12-17 21:34:01,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 21:34:01,902 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 21:34:01,919 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-bad-counter-queue.wvr.c[2142,2155] [2024-12-17 21:34:01,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 21:34:01,943 INFO L204 MainTranslator]: Completed translation [2024-12-17 21:34:01,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01 WrapperNode [2024-12-17 21:34:01,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 21:34:01,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 21:34:01,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 21:34:01,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 21:34:01,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01" (1/1) ... [2024-12-17 21:34:01,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01" (1/1) ... [2024-12-17 21:34:01,981 INFO L138 Inliner]: procedures = 23, calls = 22, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 125 [2024-12-17 21:34:01,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 21:34:01,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 21:34:01,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 21:34:01,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 21:34:01,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01" (1/1) ... [2024-12-17 21:34:01,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01" (1/1) ... [2024-12-17 21:34:01,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01" (1/1) ... [2024-12-17 21:34:01,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01" (1/1) ... [2024-12-17 21:34:02,004 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01" (1/1) ... [2024-12-17 21:34:02,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01" (1/1) ... [2024-12-17 21:34:02,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01" (1/1) ... [2024-12-17 21:34:02,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01" (1/1) ... [2024-12-17 21:34:02,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01" (1/1) ... [2024-12-17 21:34:02,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 21:34:02,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 21:34:02,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 21:34:02,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 21:34:02,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01" (1/1) ... [2024-12-17 21:34:02,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 21:34:02,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:02,049 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 21:34:02,052 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 21:34:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 21:34:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 21:34:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 21:34:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 21:34:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 21:34:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 21:34:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 21:34:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 21:34:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 21:34:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 21:34:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 21:34:02,078 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 21:34:02,171 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 21:34:02,173 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 21:34:02,418 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 21:34:02,418 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 21:34:02,640 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 21:34:02,640 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 21:34:02,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 09:34:02 BoogieIcfgContainer [2024-12-17 21:34:02,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 21:34:02,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 21:34:02,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 21:34:02,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 21:34:02,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 09:34:01" (1/3) ... [2024-12-17 21:34:02,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d95f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 09:34:02, skipping insertion in model container [2024-12-17 21:34:02,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:34:01" (2/3) ... [2024-12-17 21:34:02,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d95f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 09:34:02, skipping insertion in model container [2024-12-17 21:34:02,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 09:34:02" (3/3) ... [2024-12-17 21:34:02,651 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue.wvr.c [2024-12-17 21:34:02,665 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 21:34:02,667 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-counter-queue.wvr.c that has 3 procedures, 22 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-12-17 21:34:02,668 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 21:34:02,719 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-17 21:34:02,765 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 21:34:02,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 21:34:02,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:02,769 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 21:34:02,771 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 21:34:02,848 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 21:34:02,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 21:34:02,868 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;@fdda5f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 21:34:02,868 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-17 21:34:03,114 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:03,114 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:03,115 INFO L139 ounterexampleChecker]: Examining path program with hash 1335229316, occurence #1 [2024-12-17 21:34:03,115 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 21:34:03,115 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:03,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:03,121 INFO L85 PathProgramCache]: Analyzing trace with hash 689621778, now seen corresponding path program 1 times [2024-12-17 21:34:03,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:03,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422793046] [2024-12-17 21:34:03,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 21:34:03,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:34:03,325 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 21:34:03,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:03,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422793046] [2024-12-17 21:34:03,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422793046] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 21:34:03,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 21:34:03,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 21:34:03,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39294684] [2024-12-17 21:34:03,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 21:34:03,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 21:34:03,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:03,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 21:34:03,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 21:34:03,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:03,348 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:03,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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 21:34:03,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:03,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:03,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 21:34:03,387 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:03,387 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:03,387 INFO L139 ounterexampleChecker]: Examining path program with hash 136995831, occurence #1 [2024-12-17 21:34:03,388 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 21:34:03,388 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:03,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:03,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1893522983, now seen corresponding path program 1 times [2024-12-17 21:34:03,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:03,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928899408] [2024-12-17 21:34:03,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 21:34:03,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:34:03,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:03,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:03,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928899408] [2024-12-17 21:34:03,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928899408] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 21:34:03,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 21:34:03,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 21:34:03,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652922104] [2024-12-17 21:34:03,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 21:34:03,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 21:34:03,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:03,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 21:34:03,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-17 21:34:03,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:03,617 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:03,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 21:34:03,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:03,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:03,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 21:34:03,669 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:03,669 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:03,669 INFO L139 ounterexampleChecker]: Examining path program with hash 136995831, occurence #2 [2024-12-17 21:34:03,669 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:03,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:03,670 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:03,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-17 21:34:03,684 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:03,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 21:34:03,684 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:03,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 21:34:03,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:03,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 21:34:03,684 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:03,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 21:34:03,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:03,684 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:03,684 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:03,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:03,685 INFO L85 PathProgramCache]: Analyzing trace with hash 668799737, now seen corresponding path program 1 times [2024-12-17 21:34:03,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:03,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536635934] [2024-12-17 21:34:03,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 21:34:03,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:34:03,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:03,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:03,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536635934] [2024-12-17 21:34:03,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536635934] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:03,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699743616] [2024-12-17 21:34:03,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 21:34:03,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:03,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:03,865 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 21:34:03,868 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 21:34:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:34:03,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-17 21:34:03,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:04,020 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:04,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:04,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699743616] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:04,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-17 21:34:04,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2024-12-17 21:34:04,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518689447] [2024-12-17 21:34:04,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 21:34:04,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 21:34:04,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:04,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 21:34:04,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-12-17 21:34:04,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:04,070 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:04,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 21:34:04,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:04,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:04,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:04,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:04,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:04,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:04,234 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 21:34:04,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:04,430 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:04,430 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:04,430 INFO L139 ounterexampleChecker]: Examining path program with hash 1424006475, occurence #1 [2024-12-17 21:34:04,430 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 21:34:04,430 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:04,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:04,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1561651116, now seen corresponding path program 1 times [2024-12-17 21:34:04,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:04,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030383643] [2024-12-17 21:34:04,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 21:34:04,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:34:04,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:04,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:04,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030383643] [2024-12-17 21:34:04,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030383643] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:04,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32562876] [2024-12-17 21:34:04,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 21:34:04,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:04,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:04,560 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 21:34:04,562 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 21:34:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:34:04,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-17 21:34:04,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:04,690 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:04,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:04,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32562876] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:04,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-17 21:34:04,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2024-12-17 21:34:04,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097376344] [2024-12-17 21:34:04,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 21:34:04,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 21:34:04,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:04,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 21:34:04,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-12-17 21:34:04,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:04,732 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:04,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 21:34:04,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:04,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:04,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:04,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:04,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-17 21:34:05,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:05,101 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:05,101 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:05,101 INFO L139 ounterexampleChecker]: Examining path program with hash 1007115420, occurence #1 [2024-12-17 21:34:05,102 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 21:34:05,102 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:05,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:05,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1221428247, now seen corresponding path program 1 times [2024-12-17 21:34:05,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:05,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514027056] [2024-12-17 21:34:05,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 21:34:05,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:34:05,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:05,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:05,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514027056] [2024-12-17 21:34:05,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514027056] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:05,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625141680] [2024-12-17 21:34:05,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 21:34:05,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:05,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:05,768 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 21:34:05,769 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 21:34:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:34:05,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-17 21:34:05,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:05,954 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:06,032 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 21:34:06,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 14 [2024-12-17 21:34:06,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:06,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625141680] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:06,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:06,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 20 [2024-12-17 21:34:06,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678957818] [2024-12-17 21:34:06,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:06,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-17 21:34:06,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:06,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-17 21:34:06,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2024-12-17 21:34:06,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:06,087 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:06,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.0) internal successors, (42), 20 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 21:34:06,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:06,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:06,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:06,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:06,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:06,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-17 21:34:06,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:06,690 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:06,690 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:06,690 INFO L139 ounterexampleChecker]: Examining path program with hash -191118065, occurence #1 [2024-12-17 21:34:06,690 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 21:34:06,690 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:06,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:06,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1313607348, now seen corresponding path program 2 times [2024-12-17 21:34:06,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:06,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005151012] [2024-12-17 21:34:06,691 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 21:34:06,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:06,711 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 21:34:06,712 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:06,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:06,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005151012] [2024-12-17 21:34:06,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005151012] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:06,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480922769] [2024-12-17 21:34:06,793 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 21:34:06,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:06,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:06,798 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 21:34:06,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-17 21:34:06,866 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 21:34:06,866 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:06,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 21:34:06,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:06,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:06,954 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:07,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480922769] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:07,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:07,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 15 [2024-12-17 21:34:07,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712347015] [2024-12-17 21:34:07,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:07,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-17 21:34:07,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:07,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-17 21:34:07,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-12-17 21:34:07,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:07,024 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:07,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 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) [2024-12-17 21:34:07,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:07,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:07,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:07,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:07,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:07,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:07,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:07,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:07,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:07,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:07,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-17 21:34:07,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:07,499 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:07,499 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:07,499 INFO L139 ounterexampleChecker]: Examining path program with hash 973508995, occurence #1 [2024-12-17 21:34:07,500 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 21:34:07,500 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:07,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:07,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1780179217, now seen corresponding path program 3 times [2024-12-17 21:34:07,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:07,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670123866] [2024-12-17 21:34:07,500 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 21:34:07,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:07,516 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 21:34:07,516 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:07,615 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:07,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:07,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670123866] [2024-12-17 21:34:07,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670123866] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:07,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718711294] [2024-12-17 21:34:07,616 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 21:34:07,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:07,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:07,618 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 21:34:07,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-17 21:34:07,684 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 21:34:07,684 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:07,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 21:34:07,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:07,777 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:07,777 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:07,851 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:07,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718711294] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:07,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:07,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-12-17 21:34:07,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926142726] [2024-12-17 21:34:07,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:07,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-17 21:34:07,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:07,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-17 21:34:07,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-12-17 21:34:07,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:07,854 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:07,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 13 states have internal predecessors, (51), 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 21:34:07,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:07,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:07,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:07,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:07,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:07,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:07,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:08,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-17 21:34:08,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:08,289 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:08,289 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:08,289 INFO L139 ounterexampleChecker]: Examining path program with hash 1007115420, occurence #2 [2024-12-17 21:34:08,289 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:08,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:08,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:08,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 21:34:08,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:08,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 21:34:08,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:08,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 21:34:08,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:08,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 21:34:08,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:08,290 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:08,290 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:08,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:08,290 INFO L85 PathProgramCache]: Analyzing trace with hash -2073775204, now seen corresponding path program 4 times [2024-12-17 21:34:08,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:08,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410820405] [2024-12-17 21:34:08,290 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 21:34:08,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:08,333 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 21:34:08,334 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:08,966 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 21:34:08,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:08,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410820405] [2024-12-17 21:34:08,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410820405] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:08,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324257166] [2024-12-17 21:34:08,967 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 21:34:08,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:08,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:08,969 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 21:34:08,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-17 21:34:09,037 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 21:34:09,037 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:09,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-17 21:34:09,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 21:34:09,292 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:09,550 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 21:34:09,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 45 [2024-12-17 21:34:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 21:34:09,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324257166] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:09,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:09,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 13] total 35 [2024-12-17 21:34:09,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598029106] [2024-12-17 21:34:09,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:09,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-12-17 21:34:09,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:09,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-12-17 21:34:09,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1126, Unknown=0, NotChecked=0, Total=1260 [2024-12-17 21:34:09,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:09,645 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:09,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.6111111111111112) internal successors, (58), 35 states have internal predecessors, (58), 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 21:34:09,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:09,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:09,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:09,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:09,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:09,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:09,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:09,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 21:34:10,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-17 21:34:10,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:10,911 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:10,911 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:10,911 INFO L139 ounterexampleChecker]: Examining path program with hash -191118065, occurence #2 [2024-12-17 21:34:10,911 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:10,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:10,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:10,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 21:34:10,911 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:10,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 21:34:10,911 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:10,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 21:34:10,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:10,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-17 21:34:10,911 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:10,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 21:34:10,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:10,911 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:10,911 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:10,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:10,912 INFO L85 PathProgramCache]: Analyzing trace with hash -319884017, now seen corresponding path program 5 times [2024-12-17 21:34:10,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:10,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312814607] [2024-12-17 21:34:10,912 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 21:34:10,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:10,931 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-12-17 21:34:10,931 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:11,046 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:11,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:11,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312814607] [2024-12-17 21:34:11,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312814607] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:11,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440447997] [2024-12-17 21:34:11,047 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 21:34:11,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:11,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:11,049 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 21:34:11,051 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 [2024-12-17 21:34:11,120 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-12-17 21:34:11,121 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:11,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 21:34:11,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:11,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:11,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:11,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440447997] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:11,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:11,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-12-17 21:34:11,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487938916] [2024-12-17 21:34:11,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:11,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-17 21:34:11,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:11,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-17 21:34:11,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2024-12-17 21:34:11,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:11,324 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:11,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.111111111111111) internal successors, (56), 17 states have internal predecessors, (56), 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 21:34:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 21:34:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:11,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:11,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:11,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:11,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:11,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:11,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:11,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:11,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 21:34:11,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:11,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-17 21:34:11,627 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 [2024-12-17 21:34:11,627 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:11,627 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:11,627 INFO L139 ounterexampleChecker]: Examining path program with hash -191118065, occurence #3 [2024-12-17 21:34:11,627 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:11,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:11,627 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:11,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 21:34:11,627 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:11,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 21:34:11,628 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:11,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-17 21:34:11,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:11,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 21:34:11,628 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:11,628 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 21:34:11,628 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:11,628 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:11,628 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:11,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:11,628 INFO L85 PathProgramCache]: Analyzing trace with hash 408710703, now seen corresponding path program 6 times [2024-12-17 21:34:11,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:11,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447907504] [2024-12-17 21:34:11,628 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 21:34:11,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:11,654 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 21:34:11,655 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:11,786 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:11,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:11,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447907504] [2024-12-17 21:34:11,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447907504] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:11,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554929827] [2024-12-17 21:34:11,786 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 21:34:11,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:11,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:11,789 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) [2024-12-17 21:34:11,791 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 [2024-12-17 21:34:11,861 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 21:34:11,862 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:11,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 21:34:11,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:11,984 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:12,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554929827] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:12,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:12,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-12-17 21:34:12,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148281212] [2024-12-17 21:34:12,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:12,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-17 21:34:12,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:12,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-17 21:34:12,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-17 21:34:12,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:12,086 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:12,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 18 states have internal predecessors, (66), 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 21:34:12,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:12,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:12,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:12,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:12,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:12,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:12,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:12,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-17 21:34:12,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:12,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:12,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:12,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-17 21:34:12,609 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 [2024-12-17 21:34:12,609 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:12,609 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:12,610 INFO L139 ounterexampleChecker]: Examining path program with hash 973508995, occurence #2 [2024-12-17 21:34:12,610 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:12,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:12,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:12,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 21:34:12,610 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:12,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 21:34:12,610 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:12,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-17 21:34:12,610 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:12,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 21:34:12,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:12,610 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:12,610 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:12,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:12,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1821740150, now seen corresponding path program 7 times [2024-12-17 21:34:12,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:12,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056713147] [2024-12-17 21:34:12,611 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 21:34:12,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:34:12,735 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:12,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:12,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056713147] [2024-12-17 21:34:12,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056713147] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:12,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72915062] [2024-12-17 21:34:12,736 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 21:34:12,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:12,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:12,738 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) [2024-12-17 21:34:12,743 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 [2024-12-17 21:34:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:34:12,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 21:34:12,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:12,960 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:12,960 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:13,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72915062] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:13,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:13,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-12-17 21:34:13,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510689358] [2024-12-17 21:34:13,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:13,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-17 21:34:13,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:13,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-17 21:34:13,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-17 21:34:13,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:13,056 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:13,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 18 states have internal predecessors, (66), 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 21:34:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:13,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:13,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:13,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:13,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:13,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:13,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-17 21:34:13,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:13,597 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:13,597 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:13,597 INFO L139 ounterexampleChecker]: Examining path program with hash -191118065, occurence #4 [2024-12-17 21:34:13,597 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:13,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:13,597 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:13,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 21:34:13,597 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:13,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 21:34:13,597 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:13,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 21:34:13,597 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:13,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-17 21:34:13,598 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:13,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-17 21:34:13,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:13,598 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:13,598 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:13,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:13,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1557419670, now seen corresponding path program 8 times [2024-12-17 21:34:13,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:13,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818823022] [2024-12-17 21:34:13,598 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 21:34:13,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:13,615 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 21:34:13,615 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:13,757 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:13,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:13,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818823022] [2024-12-17 21:34:13,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818823022] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:13,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938659210] [2024-12-17 21:34:13,758 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 21:34:13,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:13,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:13,760 INFO L229 MonitoredProcess]: Starting monitored process 12 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 21:34:13,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-17 21:34:13,837 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 21:34:13,837 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:13,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-17 21:34:13,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:14,008 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:14,129 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:14,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938659210] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:14,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:14,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-12-17 21:34:14,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157087774] [2024-12-17 21:34:14,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:14,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-17 21:34:14,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:14,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-17 21:34:14,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-12-17 21:34:14,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:14,131 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:14,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.2916666666666665) internal successors, (79), 23 states have internal predecessors, (79), 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 21:34:14,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:14,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:14,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:14,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:14,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:14,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:14,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:14,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:14,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:14,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:14,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:14,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:14,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:14,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:14,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:14,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:14,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:14,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:14,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:14,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:14,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:14,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:14,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:14,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:14,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-17 21:34:14,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-17 21:34:14,411 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:14,411 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:14,412 INFO L139 ounterexampleChecker]: Examining path program with hash -191118065, occurence #5 [2024-12-17 21:34:14,412 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:14,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:14,412 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:14,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 21:34:14,412 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:14,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 21:34:14,412 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:14,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 21:34:14,412 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:14,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-17 21:34:14,412 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:14,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-17 21:34:14,412 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:14,412 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:14,412 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:14,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:14,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1652970422, now seen corresponding path program 9 times [2024-12-17 21:34:14,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:14,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751725856] [2024-12-17 21:34:14,413 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 21:34:14,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:14,459 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-17 21:34:14,460 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:14,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:14,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751725856] [2024-12-17 21:34:14,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751725856] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:14,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194847468] [2024-12-17 21:34:14,592 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 21:34:14,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:14,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:14,594 INFO L229 MonitoredProcess]: Starting monitored process 13 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 21:34:14,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-17 21:34:14,686 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-17 21:34:14,686 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:14,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-17 21:34:14,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:14,862 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:14,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194847468] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:14,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:14,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-12-17 21:34:14,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560041871] [2024-12-17 21:34:14,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:14,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-17 21:34:14,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:14,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-17 21:34:14,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2024-12-17 21:34:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:14,992 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:14,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.375) internal successors, (81), 23 states have internal predecessors, (81), 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 21:34:14,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:14,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:14,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:14,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:14,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:14,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:14,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:14,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:14,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:14,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:14,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:14,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:14,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:15,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:15,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:15,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:15,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:15,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:15,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:15,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:15,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-17 21:34:15,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:15,521 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:15,521 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:15,521 INFO L139 ounterexampleChecker]: Examining path program with hash 973508995, occurence #3 [2024-12-17 21:34:15,521 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:15,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:15,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:15,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 21:34:15,522 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:15,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 21:34:15,522 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:15,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-17 21:34:15,522 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:15,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-17 21:34:15,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:15,522 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:15,522 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:15,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:15,522 INFO L85 PathProgramCache]: Analyzing trace with hash 411546021, now seen corresponding path program 10 times [2024-12-17 21:34:15,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:15,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769495327] [2024-12-17 21:34:15,522 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 21:34:15,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:15,535 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 21:34:15,536 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:15,619 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 21:34:15,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:15,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769495327] [2024-12-17 21:34:15,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769495327] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:15,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338699656] [2024-12-17 21:34:15,619 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 21:34:15,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:15,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:15,621 INFO L229 MonitoredProcess]: Starting monitored process 14 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 21:34:15,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-17 21:34:15,703 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 21:34:15,703 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:15,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-17 21:34:15,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:15,881 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:15,882 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:16,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338699656] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:16,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:16,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 10] total 22 [2024-12-17 21:34:16,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061363549] [2024-12-17 21:34:16,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:16,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-17 21:34:16,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:16,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-17 21:34:16,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2024-12-17 21:34:16,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:16,031 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:16,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.8181818181818183) internal successors, (84), 22 states have internal predecessors, (84), 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 21:34:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 21:34:16,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-17 21:34:16,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:16,745 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:16,745 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:16,745 INFO L139 ounterexampleChecker]: Examining path program with hash 1007115420, occurence #3 [2024-12-17 21:34:16,745 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:16,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:16,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:16,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 21:34:16,746 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:16,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 21:34:16,746 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:16,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 21:34:16,746 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:16,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 21:34:16,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:16,746 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:16,746 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:16,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:16,746 INFO L85 PathProgramCache]: Analyzing trace with hash -480043738, now seen corresponding path program 11 times [2024-12-17 21:34:16,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:16,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801233346] [2024-12-17 21:34:16,747 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 21:34:16,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:16,784 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-17 21:34:16,784 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-17 21:34:17,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:17,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801233346] [2024-12-17 21:34:17,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801233346] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:17,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643376778] [2024-12-17 21:34:17,390 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 21:34:17,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:17,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:17,392 INFO L229 MonitoredProcess]: Starting monitored process 15 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 21:34:17,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-17 21:34:17,479 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-17 21:34:17,479 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:17,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-12-17 21:34:17,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 21:34:18,014 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:18,724 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 21:34:18,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 82 treesize of output 165 [2024-12-17 21:34:19,217 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 21:34:19,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643376778] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:19,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:19,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 25, 25] total 54 [2024-12-17 21:34:19,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881540297] [2024-12-17 21:34:19,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:19,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-12-17 21:34:19,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:19,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-12-17 21:34:19,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=2723, Unknown=0, NotChecked=0, Total=2970 [2024-12-17 21:34:19,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:19,222 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:19,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 54 states have internal predecessors, (73), 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 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-17 21:34:19,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 21:34:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-17 21:34:20,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-12-17 21:34:21,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-17 21:34:21,141 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:21,141 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:21,141 INFO L139 ounterexampleChecker]: Examining path program with hash -191118065, occurence #6 [2024-12-17 21:34:21,141 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:21,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:21,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:21,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 21:34:21,142 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:21,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 21:34:21,142 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:21,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 21:34:21,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:21,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-12-17 21:34:21,142 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:21,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-17 21:34:21,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:21,142 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:21,142 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:21,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:21,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1965729605, now seen corresponding path program 12 times [2024-12-17 21:34:21,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:21,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164526488] [2024-12-17 21:34:21,142 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 21:34:21,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:21,192 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-17 21:34:21,192 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:21,380 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 22 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:21,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:21,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164526488] [2024-12-17 21:34:21,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164526488] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:21,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754204821] [2024-12-17 21:34:21,381 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 21:34:21,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:21,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:21,383 INFO L229 MonitoredProcess]: Starting monitored process 16 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 21:34:21,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-17 21:34:21,480 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-17 21:34:21,480 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:21,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 21:34:21,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:21,684 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:21,845 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:21,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754204821] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:21,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:21,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2024-12-17 21:34:21,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88209143] [2024-12-17 21:34:21,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:21,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-17 21:34:21,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:21,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-17 21:34:21,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=600, Unknown=0, NotChecked=0, Total=812 [2024-12-17 21:34:21,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:21,848 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:21,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.2413793103448274) internal successors, (94), 28 states have internal predecessors, (94), 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 21:34:21,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:21,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:21,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:21,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:21,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:21,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:21,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:21,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:21,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:21,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:21,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:21,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:21,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:21,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-17 21:34:21,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-12-17 21:34:21,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 21:34:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-17 21:34:21,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 21:34:21,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-17 21:34:22,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-17 21:34:22,147 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:22,147 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:22,148 INFO L139 ounterexampleChecker]: Examining path program with hash -191118065, occurence #7 [2024-12-17 21:34:22,148 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:22,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:22,148 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:22,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 21:34:22,148 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:22,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 21:34:22,148 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:22,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 21:34:22,148 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:22,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-17 21:34:22,148 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:22,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-12-17 21:34:22,148 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:22,148 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:22,148 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:22,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:22,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1904367515, now seen corresponding path program 13 times [2024-12-17 21:34:22,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:22,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323221861] [2024-12-17 21:34:22,149 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 21:34:22,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:34:22,349 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:22,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:22,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323221861] [2024-12-17 21:34:22,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323221861] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:22,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186383267] [2024-12-17 21:34:22,350 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 21:34:22,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:22,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:22,352 INFO L229 MonitoredProcess]: Starting monitored process 17 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 21:34:22,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-17 21:34:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:34:22,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 21:34:22,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:22,664 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 40 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:22,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186383267] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:22,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:22,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2024-12-17 21:34:22,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685309132] [2024-12-17 21:34:22,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:22,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-17 21:34:22,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:22,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-17 21:34:22,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=604, Unknown=0, NotChecked=0, Total=812 [2024-12-17 21:34:22,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:22,799 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:22,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.310344827586207) internal successors, (96), 28 states have internal predecessors, (96), 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 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 21:34:22,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 21:34:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-17 21:34:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 21:34:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 21:34:23,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-17 21:34:23,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-17 21:34:23,470 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:23,470 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:23,472 INFO L139 ounterexampleChecker]: Examining path program with hash -191118065, occurence #8 [2024-12-17 21:34:23,472 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:23,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:23,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:23,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 21:34:23,472 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:23,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 21:34:23,472 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:23,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-17 21:34:23,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:23,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-12-17 21:34:23,472 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:23,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-17 21:34:23,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:23,472 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:23,472 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:23,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:23,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1903566048, now seen corresponding path program 14 times [2024-12-17 21:34:23,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:23,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175162918] [2024-12-17 21:34:23,473 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 21:34:23,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:23,488 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 21:34:23,488 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 41 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:23,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:23,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175162918] [2024-12-17 21:34:23,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175162918] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:23,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363832536] [2024-12-17 21:34:23,701 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 21:34:23,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:23,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:23,704 INFO L229 MonitoredProcess]: Starting monitored process 18 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 21:34:23,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-17 21:34:23,809 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 21:34:23,810 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:23,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 21:34:23,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:24,077 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 66 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:24,077 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:24,261 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 66 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:24,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363832536] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:24,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:24,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2024-12-17 21:34:24,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754566455] [2024-12-17 21:34:24,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:24,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-17 21:34:24,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:24,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-17 21:34:24,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=836, Unknown=0, NotChecked=0, Total=1122 [2024-12-17 21:34:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:24,262 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:24,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.2058823529411766) internal successors, (109), 33 states have internal predecessors, (109), 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 21:34:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:24,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 21:34:24,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 21:34:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:24,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-12-17 21:34:24,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-17 21:34:24,556 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:24,556 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:24,556 INFO L139 ounterexampleChecker]: Examining path program with hash -191118065, occurence #9 [2024-12-17 21:34:24,556 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:24,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:24,557 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:24,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 21:34:24,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:24,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 21:34:24,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:24,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-17 21:34:24,557 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:24,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-17 21:34:24,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:24,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 21:34:24,557 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:24,557 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:24,557 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:24,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:24,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1087808000, now seen corresponding path program 15 times [2024-12-17 21:34:24,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:24,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736305526] [2024-12-17 21:34:24,558 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 21:34:24,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:24,636 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-12-17 21:34:24,636 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:24,849 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 10 proven. 76 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:24,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:24,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736305526] [2024-12-17 21:34:24,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736305526] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:24,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966457949] [2024-12-17 21:34:24,850 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 21:34:24,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:24,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:24,852 INFO L229 MonitoredProcess]: Starting monitored process 19 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 21:34:24,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-17 21:34:24,945 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-12-17 21:34:24,945 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:24,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 21:34:24,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 15 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:25,167 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:25,349 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 21 proven. 65 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 21:34:25,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966457949] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:25,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:25,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2024-12-17 21:34:25,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968691859] [2024-12-17 21:34:25,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:25,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-17 21:34:25,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:25,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-17 21:34:25,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=841, Unknown=0, NotChecked=0, Total=1122 [2024-12-17 21:34:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:25,351 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:25,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.264705882352941) internal successors, (111), 33 states have internal predecessors, (111), 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 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 21:34:25,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-12-17 21:34:25,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:25,932 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:25,932 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:25,932 INFO L139 ounterexampleChecker]: Examining path program with hash -191118065, occurence #10 [2024-12-17 21:34:25,932 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:25,932 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:25,932 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:25,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 21:34:25,933 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:25,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 21:34:25,933 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:25,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-17 21:34:25,933 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:25,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-12-17 21:34:25,933 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:25,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-17 21:34:25,933 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:25,933 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:25,933 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:25,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:25,933 INFO L85 PathProgramCache]: Analyzing trace with hash 574601339, now seen corresponding path program 16 times [2024-12-17 21:34:25,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:25,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614576374] [2024-12-17 21:34:25,933 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 21:34:25,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:25,948 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 21:34:25,948 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-12-17 21:34:26,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:26,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614576374] [2024-12-17 21:34:26,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614576374] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 21:34:26,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 21:34:26,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-17 21:34:26,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506919545] [2024-12-17 21:34:26,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 21:34:26,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 21:34:26,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:26,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 21:34:26,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-17 21:34:26,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:26,079 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:26,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 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 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 21:34:26,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:26,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 21:34:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:26,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-17 21:34:26,282 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:26,282 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:26,283 INFO L139 ounterexampleChecker]: Examining path program with hash 1492101099, occurence #1 [2024-12-17 21:34:26,283 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 21:34:26,283 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:26,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:26,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1998330825, now seen corresponding path program 17 times [2024-12-17 21:34:26,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:26,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617696596] [2024-12-17 21:34:26,283 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 21:34:26,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:26,329 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-12-17 21:34:26,331 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 121 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:26,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:34:26,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617696596] [2024-12-17 21:34:26,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617696596] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:34:26,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418181529] [2024-12-17 21:34:26,592 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 21:34:26,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:34:26,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:34:26,594 INFO L229 MonitoredProcess]: Starting monitored process 20 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 21:34:26,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-17 21:34:26,779 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-12-17 21:34:26,780 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:34:26,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 21:34:26,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:34:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 121 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:27,034 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:34:27,283 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 121 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:34:27,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418181529] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:34:27,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:34:27,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 44 [2024-12-17 21:34:27,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263907955] [2024-12-17 21:34:27,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:34:27,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-12-17 21:34:27,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:34:27,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-12-17 21:34:27,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=388, Invalid=1592, Unknown=0, NotChecked=0, Total=1980 [2024-12-17 21:34:27,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:27,285 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:34:27,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.577777777777778) internal successors, (161), 44 states have internal predecessors, (161), 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 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:27,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 21:34:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 21:34:27,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 21:34:27,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-12-17 21:34:27,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-12-17 21:34:27,624 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 21:34:27,624 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:34:27,624 INFO L139 ounterexampleChecker]: Examining path program with hash 1492101099, occurence #2 [2024-12-17 21:34:27,624 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:34:27,624 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 21:34:27,624 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:27,624 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 21:34:27,624 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:27,624 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 21:34:27,624 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:27,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-17 21:34:27,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:27,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1679675849, now seen corresponding path program 1 times [2024-12-17 21:34:27,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 21:34:27,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513796768] [2024-12-17 21:34:27,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 21:34:27,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 21:34:27,723 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 21:34:27,723 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 21:34:27,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-17 21:34:27,724 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:34:27,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 21:34:27,724 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 21:34:27,724 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:34:27,724 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:34:27,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:34:27,724 INFO L85 PathProgramCache]: Analyzing trace with hash 68110103, now seen corresponding path program 18 times [2024-12-17 21:34:27,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:34:27,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529049961] [2024-12-17 21:34:27,724 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 21:34:27,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:34:27,848 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-12-17 21:34:27,848 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-12-17 21:34:27,848 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-17 21:34:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 21:34:27,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-17 21:34:27,942 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-17 21:34:27,944 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-12-17 21:34:27,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-12-17 21:34:27,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-12-17 21:34:27,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,SelfDestructingSolverStorable22 [2024-12-17 21:34:27,951 INFO L422 BasicCegarLoop]: Path program histogram: [18, 1, 1, 1, 1] [2024-12-17 21:34:28,059 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-17 21:34:28,059 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-17 21:34:28,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-12-17 21:34:28,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 09:34:28 BasicIcfg [2024-12-17 21:34:28,071 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-17 21:34:28,072 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-17 21:34:28,072 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-17 21:34:28,072 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-17 21:34:28,073 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 09:34:02" (3/4) ... [2024-12-17 21:34:28,074 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-17 21:34:28,169 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 148. [2024-12-17 21:34:28,267 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-12-17 21:34:28,268 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2024-12-17 21:34:28,268 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-17 21:34:28,269 INFO L158 Benchmark]: Toolchain (without parser) took 26574.69ms. Allocated memory was 167.8MB in the beginning and 343.9MB in the end (delta: 176.2MB). Free memory was 134.0MB in the beginning and 151.1MB in the end (delta: -17.1MB). Peak memory consumption was 154.3MB. Max. memory is 16.1GB. [2024-12-17 21:34:28,269 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 201.3MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 21:34:28,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.07ms. Allocated memory is still 167.8MB. Free memory was 134.0MB in the beginning and 121.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 21:34:28,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.71ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 120.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 21:34:28,270 INFO L158 Benchmark]: Boogie Preprocessor took 33.58ms. Allocated memory is still 167.8MB. Free memory was 120.4MB in the beginning and 119.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 21:34:28,270 INFO L158 Benchmark]: RCFGBuilder took 620.85ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 79.2MB in the end (delta: 39.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-17 21:34:28,270 INFO L158 Benchmark]: TraceAbstraction took 25428.80ms. Allocated memory was 167.8MB in the beginning and 343.9MB in the end (delta: 176.2MB). Free memory was 78.5MB in the beginning and 172.6MB in the end (delta: -94.1MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. [2024-12-17 21:34:28,271 INFO L158 Benchmark]: Witness Printer took 196.42ms. Allocated memory is still 343.9MB. Free memory was 172.6MB in the beginning and 151.1MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-17 21:34:28,275 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 201.3MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.07ms. Allocated memory is still 167.8MB. Free memory was 134.0MB in the beginning and 121.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.71ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 120.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.58ms. Allocated memory is still 167.8MB. Free memory was 120.4MB in the beginning and 119.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 620.85ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 79.2MB in the end (delta: 39.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 25428.80ms. Allocated memory was 167.8MB in the beginning and 343.9MB in the end (delta: 176.2MB). Free memory was 78.5MB in the beginning and 172.6MB in the end (delta: -94.1MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. * Witness Printer took 196.42ms. Allocated memory is still 343.9MB. Free memory was 172.6MB in the beginning and 151.1MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2037, independent: 1056, independent conditional: 915, independent unconditional: 141, dependent: 981, dependent conditional: 973, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1195, independent: 1056, independent conditional: 915, independent unconditional: 141, dependent: 139, dependent conditional: 131, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1195, independent: 1056, independent conditional: 915, independent unconditional: 141, dependent: 139, dependent conditional: 131, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2398, independent: 1056, independent conditional: 915, independent unconditional: 141, dependent: 1342, dependent conditional: 1334, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2398, independent: 1056, independent conditional: 0, independent unconditional: 1056, dependent: 1342, dependent conditional: 1183, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2398, independent: 1056, independent conditional: 0, independent unconditional: 1056, dependent: 1342, dependent conditional: 1183, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 244, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 106, dependent conditional: 98, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 244, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 108, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 106, dependent conditional: 98, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 106, dependent conditional: 98, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1951, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 1892, dependent conditional: 1676, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 1, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2398, independent: 918, independent conditional: 0, independent unconditional: 918, dependent: 1236, dependent conditional: 1085, dependent unconditional: 151, unknown: 244, unknown conditional: 98, unknown unconditional: 146] , Statistics on independence cache: Total cache size (in pairs): 245, Positive cache size: 139, Positive conditional cache size: 1, Positive unconditional cache size: 138, Negative cache size: 106, Negative conditional cache size: 98, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1066, Maximal queried relation: 15, Independence queries for same thread: 842, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 28, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 149, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2037, independent: 1056, independent conditional: 915, independent unconditional: 141, dependent: 981, dependent conditional: 973, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1195, independent: 1056, independent conditional: 915, independent unconditional: 141, dependent: 139, dependent conditional: 131, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1195, independent: 1056, independent conditional: 915, independent unconditional: 141, dependent: 139, dependent conditional: 131, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2398, independent: 1056, independent conditional: 915, independent unconditional: 141, dependent: 1342, dependent conditional: 1334, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2398, independent: 1056, independent conditional: 0, independent unconditional: 1056, dependent: 1342, dependent conditional: 1183, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2398, independent: 1056, independent conditional: 0, independent unconditional: 1056, dependent: 1342, dependent conditional: 1183, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 244, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 106, dependent conditional: 98, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 244, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 108, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 106, dependent conditional: 98, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 108, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 106, dependent conditional: 98, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1951, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 1892, dependent conditional: 1676, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 1, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2398, independent: 918, independent conditional: 0, independent unconditional: 918, dependent: 1236, dependent conditional: 1085, dependent unconditional: 151, unknown: 244, unknown conditional: 98, unknown unconditional: 146] , Statistics on independence cache: Total cache size (in pairs): 245, Positive cache size: 139, Positive conditional cache size: 1, Positive unconditional cache size: 138, Negative cache size: 106, Negative conditional cache size: 98, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1066, Maximal queried relation: 15, Independence queries for same thread: 842 - CounterExampleResult [Line: 78]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L39] 0 int* A; [L40] 0 _Atomic int counter; [L41] 0 int N; [L66] 0 pthread_t t1, t2; [L68] 0 N = __VERIFIER_nondet_int() [L69] CALL, EXPR 0 create_fresh_int_array(N) [L84] CALL 0 assume_abort_if_not(size >= 0) [L36] COND FALSE 0 !(!cond) [L84] RET 0 assume_abort_if_not(size >= 0) [L85] CALL 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L36] COND FALSE 0 !(!cond) [L85] RET 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L87] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L88] 0 int i = 0; VAL [A={0:0}, N=7, \old(size)=7, arr={-9:0}, counter=0, i=0, size=7] [L88] COND TRUE 0 i < size [L89] 0 arr[i] = __VERIFIER_nondet_int() [L88] 0 i++ VAL [A={0:0}, N=7, \old(size)=7, arr={-9:0}, counter=0, i=1, size=7] [L88] COND TRUE 0 i < size [L89] 0 arr[i] = __VERIFIER_nondet_int() [L88] 0 i++ VAL [A={0:0}, N=7, \old(size)=7, arr={-9:0}, counter=0, i=2, size=7] [L88] COND TRUE 0 i < size [L89] 0 arr[i] = __VERIFIER_nondet_int() [L88] 0 i++ VAL [A={0:0}, N=7, \old(size)=7, arr={-9:0}, counter=0, i=3, size=7] [L88] COND TRUE 0 i < size [L89] 0 arr[i] = __VERIFIER_nondet_int() [L88] 0 i++ VAL [A={0:0}, N=7, \old(size)=7, arr={-9:0}, counter=0, i=4, size=7] [L88] COND TRUE 0 i < size [L89] 0 arr[i] = __VERIFIER_nondet_int() [L88] 0 i++ VAL [A={0:0}, N=7, \old(size)=7, arr={-9:0}, counter=0, i=5, size=7] [L88] COND TRUE 0 i < size [L89] 0 arr[i] = __VERIFIER_nondet_int() [L88] 0 i++ VAL [A={0:0}, N=7, \old(size)=7, arr={-9:0}, counter=0, i=6, size=7] [L88] COND TRUE 0 i < size [L89] 0 arr[i] = __VERIFIER_nondet_int() [L88] 0 i++ VAL [A={0:0}, N=7, \old(size)=7, arr={-9:0}, counter=0, i=7, size=7] [L88] COND FALSE 0 !(i < size) [L91] 0 return arr; [L69] RET, EXPR 0 create_fresh_int_array(N) [L69] 0 A = create_fresh_int_array(N) [L72] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [A={-9:0}, N=7, counter=0, t1=-1] [L48] 1 int i=0; VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=0] [L73] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [A={-9:0}, N=7, counter=0, t1=-1, t2=0] [L57] 2 int i=0; VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=0] [L48] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L36] COND FALSE 1 !(!cond) [L101] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L102] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L36] COND FALSE 1 !(!cond) [L102] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L103] 1 return a + b; [L49] RET, EXPR 1 plus(counter, A[i]) [L49] 1 int tmp = plus(counter, A[i]); [L50] 1 counter = tmp VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=-3, i=0, tmp=-3] [L48] 1 i++ VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=-3, i=1] [L57] COND TRUE 2 i= b - 2147483648) [L36] COND FALSE 2 !(!cond) [L95] RET 2 assume_abort_if_not(b <= 0 || a >= b - 2147483648) [L96] CALL 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L36] COND FALSE 2 !(!cond) [L96] RET 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L97] 2 return a - b; [L58] RET, EXPR 2 minus(counter, A[i]) [L58] 2 int tmp = minus(counter, A[i]); [L59] 2 counter = tmp VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=0, tmp=0] [L57] 2 i++ VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=1] [L48] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L36] COND FALSE 1 !(!cond) [L101] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L102] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L36] COND FALSE 1 !(!cond) [L102] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L103] 1 return a + b; [L49] RET, EXPR 1 plus(counter, A[i]) [L49] 1 int tmp = plus(counter, A[i]); [L50] 1 counter = tmp VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=-3, i=1, tmp=-3] [L48] 1 i++ VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=-3, i=2] [L57] COND TRUE 2 i= b - 2147483648) [L36] COND FALSE 2 !(!cond) [L95] RET 2 assume_abort_if_not(b <= 0 || a >= b - 2147483648) [L96] CALL 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L36] COND FALSE 2 !(!cond) [L96] RET 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L97] 2 return a - b; [L58] RET, EXPR 2 minus(counter, A[i]) [L58] 2 int tmp = minus(counter, A[i]); [L59] 2 counter = tmp VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=1, tmp=0] [L57] 2 i++ VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=2] [L48] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L36] COND FALSE 1 !(!cond) [L101] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L102] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L36] COND FALSE 1 !(!cond) [L102] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L103] 1 return a + b; [L49] RET, EXPR 1 plus(counter, A[i]) [L49] 1 int tmp = plus(counter, A[i]); [L50] 1 counter = tmp VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=3, i=2, tmp=3] [L48] 1 i++ VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=3, i=3] [L57] COND TRUE 2 i= b - 2147483648) [L36] COND FALSE 2 !(!cond) [L95] RET 2 assume_abort_if_not(b <= 0 || a >= b - 2147483648) [L96] CALL 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L36] COND FALSE 2 !(!cond) [L96] RET 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L97] 2 return a - b; [L58] RET, EXPR 2 minus(counter, A[i]) [L58] 2 int tmp = minus(counter, A[i]); [L59] 2 counter = tmp VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=2, tmp=0] [L57] 2 i++ VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=3] [L48] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L36] COND FALSE 1 !(!cond) [L101] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L102] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L36] COND FALSE 1 !(!cond) [L102] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L103] 1 return a + b; [L49] RET, EXPR 1 plus(counter, A[i]) [L49] 1 int tmp = plus(counter, A[i]); [L50] 1 counter = tmp VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=5, i=3, tmp=5] [L48] 1 i++ VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=5, i=4] [L57] COND TRUE 2 i= b - 2147483648) [L36] COND FALSE 2 !(!cond) [L95] RET 2 assume_abort_if_not(b <= 0 || a >= b - 2147483648) [L96] CALL 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L36] COND FALSE 2 !(!cond) [L96] RET 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L97] 2 return a - b; [L58] RET, EXPR 2 minus(counter, A[i]) [L58] 2 int tmp = minus(counter, A[i]); [L59] 2 counter = tmp VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=3, tmp=0] [L57] 2 i++ VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=4] [L48] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L36] COND FALSE 1 !(!cond) [L101] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L102] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L36] COND FALSE 1 !(!cond) [L102] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L103] 1 return a + b; [L49] RET, EXPR 1 plus(counter, A[i]) [L49] 1 int tmp = plus(counter, A[i]); [L50] 1 counter = tmp VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=4, tmp=0] [L48] 1 i++ VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=5] [L57] COND TRUE 2 i= b - 2147483648) [L36] COND FALSE 2 !(!cond) [L95] RET 2 assume_abort_if_not(b <= 0 || a >= b - 2147483648) [L96] CALL 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L36] COND FALSE 2 !(!cond) [L96] RET 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L97] 2 return a - b; [L58] RET, EXPR 2 minus(counter, A[i]) [L58] 2 int tmp = minus(counter, A[i]); [L59] 2 counter = tmp VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=4, tmp=0] [L57] 2 i++ VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=5] [L48] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L36] COND FALSE 1 !(!cond) [L101] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L102] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L36] COND FALSE 1 !(!cond) [L102] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L103] 1 return a + b; [L49] RET, EXPR 1 plus(counter, A[i]) [L49] 1 int tmp = plus(counter, A[i]); [L50] 1 counter = tmp VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=6, i=5, tmp=6] [L48] 1 i++ VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=6, i=6] [L57] COND TRUE 2 i= b - 2147483648) [L36] COND FALSE 2 !(!cond) [L95] RET 2 assume_abort_if_not(b <= 0 || a >= b - 2147483648) [L96] CALL 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L36] COND FALSE 2 !(!cond) [L96] RET 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L97] 2 return a - b; [L58] RET, EXPR 2 minus(counter, A[i]) [L58] 2 int tmp = minus(counter, A[i]); [L59] 2 counter = tmp VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=5, tmp=0] [L57] 2 i++ VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=0, i=6] [L48] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L36] COND FALSE 1 !(!cond) [L101] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L102] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L36] COND FALSE 1 !(!cond) [L102] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L103] 1 return a + b; [L49] RET, EXPR 1 plus(counter, A[i]) [L49] 1 int tmp = plus(counter, A[i]); [L57] COND TRUE 2 i= b - 2147483648) [L36] COND FALSE 2 !(!cond) [L95] RET 2 assume_abort_if_not(b <= 0 || a >= b - 2147483648) [L96] CALL 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L36] COND FALSE 2 !(!cond) [L96] RET 2 assume_abort_if_not(b >= 0 || a <= b + 2147483647) [L97] 2 return a - b; [L58] RET, EXPR 2 minus(counter, A[i]) [L58] 2 int tmp = minus(counter, A[i]); [L50] 1 counter = tmp VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=10, i=6, tmp=10] [L48] 1 i++ VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=10, i=7] [L59] 2 counter = tmp VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=-10, i=6, tmp=-10] [L57] 2 i++ VAL [A={-9:0}, N=7, \old(_argptr)={0:0}, _argptr={0:0}, counter=-10, i=7] [L48] COND FALSE 1 !(i