./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/unroll-3.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/unroll-3.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 a4cca88acec68e5dbb90cd5700ef248bb5273dc097847f9475a683bfbdc7b189 --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 23:24:47,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 23:24:47,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 23:24:47,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 23:24:47,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 23:24:47,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 23:24:47,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 23:24:47,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 23:24:47,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 23:24:47,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 23:24:47,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 23:24:47,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 23:24:47,632 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 23:24:47,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 23:24:47,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 23:24:47,633 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 23:24:47,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 23:24:47,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 23:24:47,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 23:24:47,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 23:24:47,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 23:24:47,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 23:24:47,634 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 23:24:47,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 23:24:47,634 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 23:24:47,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 23:24:47,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 23:24:47,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 23:24:47,634 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 23:24:47,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 23:24:47,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 23:24:47,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 23:24:47,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 23:24:47,635 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 23:24:47,635 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 23:24:47,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 23:24:47,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 23:24:47,636 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 23:24:47,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 23:24:47,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 23:24:47,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 23:24:47,636 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 23:24:47,636 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 23:24:47,636 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 -> a4cca88acec68e5dbb90cd5700ef248bb5273dc097847f9475a683bfbdc7b189 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 23:24:47,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 23:24:47,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 23:24:47,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 23:24:47,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 23:24:47,927 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 23:24:47,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-3.wvr.c [2024-12-17 23:24:49,190 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d330bd3c5/02c62007df6e47998e8e9b13cef438ed/FLAGbf4bb9adb [2024-12-17 23:24:49,428 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 23:24:49,429 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/unroll-3.wvr.c [2024-12-17 23:24:49,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d330bd3c5/02c62007df6e47998e8e9b13cef438ed/FLAGbf4bb9adb [2024-12-17 23:24:49,756 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/d330bd3c5/02c62007df6e47998e8e9b13cef438ed [2024-12-17 23:24:49,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 23:24:49,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 23:24:49,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 23:24:49,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 23:24:49,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 23:24:49,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 11:24:49" (1/1) ... [2024-12-17 23:24:49,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363b5286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:49, skipping insertion in model container [2024-12-17 23:24:49,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 11:24:49" (1/1) ... [2024-12-17 23:24:49,792 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 23:24:49,956 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/unroll-3.wvr.c[2526,2539] [2024-12-17 23:24:49,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 23:24:49,973 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 23:24:49,996 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/unroll-3.wvr.c[2526,2539] [2024-12-17 23:24:50,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 23:24:50,020 INFO L204 MainTranslator]: Completed translation [2024-12-17 23:24:50,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:50 WrapperNode [2024-12-17 23:24:50,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 23:24:50,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 23:24:50,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 23:24:50,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 23:24:50,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:50" (1/1) ... [2024-12-17 23:24:50,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:50" (1/1) ... [2024-12-17 23:24:50,057 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 128 [2024-12-17 23:24:50,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 23:24:50,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 23:24:50,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 23:24:50,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 23:24:50,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:50" (1/1) ... [2024-12-17 23:24:50,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:50" (1/1) ... [2024-12-17 23:24:50,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:50" (1/1) ... [2024-12-17 23:24:50,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:50" (1/1) ... [2024-12-17 23:24:50,083 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:50" (1/1) ... [2024-12-17 23:24:50,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:50" (1/1) ... [2024-12-17 23:24:50,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:50" (1/1) ... [2024-12-17 23:24:50,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:50" (1/1) ... [2024-12-17 23:24:50,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:50" (1/1) ... [2024-12-17 23:24:50,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 23:24:50,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 23:24:50,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 23:24:50,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 23:24:50,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:50" (1/1) ... [2024-12-17 23:24:50,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 23:24:50,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:24:50,122 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 23:24:50,125 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 23:24:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 23:24:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 23:24:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 23:24:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 23:24:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 23:24:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 23:24:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 23:24:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 23:24:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 23:24:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 23:24:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 23:24:50,148 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 23:24:50,249 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 23:24:50,251 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 23:24:50,556 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 23:24:50,556 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 23:24:50,776 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 23:24:50,776 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 23:24:50,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:24:50 BoogieIcfgContainer [2024-12-17 23:24:50,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 23:24:50,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 23:24:50,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 23:24:50,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 23:24:50,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 11:24:49" (1/3) ... [2024-12-17 23:24:50,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2640c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 11:24:50, skipping insertion in model container [2024-12-17 23:24:50,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:24:50" (2/3) ... [2024-12-17 23:24:50,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2640c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 11:24:50, skipping insertion in model container [2024-12-17 23:24:50,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:24:50" (3/3) ... [2024-12-17 23:24:50,785 INFO L128 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.c [2024-12-17 23:24:50,798 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 23:24:50,799 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-3.wvr.c that has 3 procedures, 18 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-12-17 23:24:50,800 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 23:24:50,841 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-17 23:24:50,889 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 23:24:50,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 23:24:50,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:24:50,892 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 23:24:50,893 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 23:24:50,952 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 23:24:50,967 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 23:24:50,979 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;@77e5ce25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 23:24:50,980 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-17 23:24:51,112 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 23:24:51,112 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:24:51,113 INFO L139 ounterexampleChecker]: Examining path program with hash -1623314807, occurence #1 [2024-12-17 23:24:51,113 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 23:24:51,113 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:24:51,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:24:51,119 INFO L85 PathProgramCache]: Analyzing trace with hash 577470360, now seen corresponding path program 1 times [2024-12-17 23:24:51,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:24:51,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155829261] [2024-12-17 23:24:51,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 23:24:51,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:24:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:24:51,493 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 23:24:51,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:24:51,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155829261] [2024-12-17 23:24:51,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155829261] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 23:24:51,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 23:24:51,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 23:24:51,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315489235] [2024-12-17 23:24:51,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 23:24:51,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 23:24:51,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:24:51,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 23:24:51,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 23:24:51,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:24:51,522 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:24:51,523 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 23:24:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:24:51,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:24:51,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 23:24:51,571 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 23:24:51,571 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:24:51,571 INFO L139 ounterexampleChecker]: Examining path program with hash -1623314807, occurence #2 [2024-12-17 23:24:51,571 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:24:51,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:24:51,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:24:51,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-17 23:24:51,593 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:24:51,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 23:24:51,594 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:24:51,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 23:24:51,594 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:24:51,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 23:24:51,594 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:24:51,594 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:24:51,594 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:24:51,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:24:51,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1423181208, now seen corresponding path program 1 times [2024-12-17 23:24:51,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:24:51,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476680740] [2024-12-17 23:24:51,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 23:24:51,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:24:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:24:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 23:24:51,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:24:51,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476680740] [2024-12-17 23:24:51,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476680740] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 23:24:51,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 23:24:51,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 23:24:51,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473582391] [2024-12-17 23:24:51,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 23:24:51,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 23:24:51,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:24:51,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 23:24:51,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 23:24:51,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:24:51,792 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:24:51,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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 23:24:51,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:24:51,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:24:51,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:24:51,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:24:51,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 23:24:51,852 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 23:24:51,852 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:24:51,853 INFO L139 ounterexampleChecker]: Examining path program with hash -1623314807, occurence #3 [2024-12-17 23:24:51,853 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:24:51,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:24:51,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:24:51,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-17 23:24:51,853 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:24:51,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 23:24:51,853 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:24:51,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 23:24:51,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:24:51,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 23:24:51,854 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:24:51,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 23:24:51,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:24:51,854 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:24:51,854 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:24:51,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:24:51,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1168209654, now seen corresponding path program 1 times [2024-12-17 23:24:51,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:24:51,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361286317] [2024-12-17 23:24:51,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 23:24:51,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:24:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:24:52,041 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 23:24:52,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:24:52,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361286317] [2024-12-17 23:24:52,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361286317] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 23:24:52,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 23:24:52,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 23:24:52,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653857428] [2024-12-17 23:24:52,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 23:24:52,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 23:24:52,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:24:52,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 23:24:52,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-17 23:24:52,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:24:52,044 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:24:52,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 23:24:52,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:24:52,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:24:52,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:24:52,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:24:52,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:24:52,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:24:52,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-17 23:24:52,141 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 23:24:52,141 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:24:52,141 INFO L139 ounterexampleChecker]: Examining path program with hash -1187483627, occurence #1 [2024-12-17 23:24:52,141 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 23:24:52,142 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:24:52,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:24:52,143 INFO L85 PathProgramCache]: Analyzing trace with hash -455996217, now seen corresponding path program 1 times [2024-12-17 23:24:52,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:24:52,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347281852] [2024-12-17 23:24:52,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 23:24:52,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:24:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:24:52,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 23:24:52,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:24:52,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347281852] [2024-12-17 23:24:52,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347281852] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 23:24:52,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 23:24:52,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 23:24:52,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488475504] [2024-12-17 23:24:52,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 23:24:52,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 23:24:52,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:24:52,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 23:24:52,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-17 23:24:52,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:24:52,273 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:24:52,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 23:24:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:24:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:24:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:24:52,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:24:52,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:24:52,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:24:52,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:24:52,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:24:52,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-17 23:24:52,356 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 23:24:52,356 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:24:52,356 INFO L139 ounterexampleChecker]: Examining path program with hash 761929719, occurence #1 [2024-12-17 23:24:52,356 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 23:24:52,356 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:24:52,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:24:52,357 INFO L85 PathProgramCache]: Analyzing trace with hash -363665845, now seen corresponding path program 1 times [2024-12-17 23:24:52,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:24:52,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465504931] [2024-12-17 23:24:52,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 23:24:52,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:24:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:24:52,896 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 23:24:52,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:24:52,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465504931] [2024-12-17 23:24:52,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465504931] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:24:52,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569501148] [2024-12-17 23:24:52,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 23:24:52,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:24:52,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:24:52,902 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 23:24:52,903 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 23:24:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 23:24:52,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-17 23:24:52,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:24:53,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-17 23:24:53,289 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 23:24:53,289 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:24:53,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 150 [2024-12-17 23:24:53,831 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 23:24:53,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 609 treesize of output 549 [2024-12-17 23:25:16,105 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 23:25:16,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569501148] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:25:16,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:25:16,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-12-17 23:25:16,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42227312] [2024-12-17 23:25:16,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:25:16,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-17 23:25:16,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:25:16,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-17 23:25:16,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2024-12-17 23:25:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:25:16,107 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:25:16,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.7222222222222223) internal successors, (49), 18 states have internal predecessors, (49), 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 23:25:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:16,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:25:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:25:16,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-17 23:25:16,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:25:16,846 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 23:25:16,846 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:25:16,847 INFO L139 ounterexampleChecker]: Examining path program with hash 761929719, occurence #2 [2024-12-17 23:25:16,847 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:25:16,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:25:16,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:16,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 23:25:16,847 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:16,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 23:25:16,847 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:16,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 23:25:16,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:16,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 23:25:16,847 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:16,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 23:25:16,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:16,847 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:25:16,847 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:25:16,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:25:16,849 INFO L85 PathProgramCache]: Analyzing trace with hash -857246841, now seen corresponding path program 2 times [2024-12-17 23:25:16,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:25:16,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736429005] [2024-12-17 23:25:16,850 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 23:25:16,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:25:16,880 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 23:25:16,881 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:25:17,032 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 23:25:17,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:25:17,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736429005] [2024-12-17 23:25:17,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736429005] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:25:17,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144346550] [2024-12-17 23:25:17,032 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 23:25:17,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:25:17,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:25:17,038 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 23:25:17,041 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 23:25:17,136 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 23:25:17,137 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:25:17,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 23:25:17,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:25:17,207 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 23:25:17,208 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:25:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 23:25:17,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144346550] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:25:17,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:25:17,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2024-12-17 23:25:17,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819636370] [2024-12-17 23:25:17,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:25:17,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-17 23:25:17,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:25:17,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-17 23:25:17,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-12-17 23:25:17,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:25:17,319 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:25:17,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 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 23:25:17,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:17,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:17,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:17,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:17,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:25:17,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:25:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:25:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 23:25:17,765 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 23:25:17,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:25:17,961 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 23:25:17,961 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:25:17,961 INFO L139 ounterexampleChecker]: Examining path program with hash -1187483627, occurence #2 [2024-12-17 23:25:17,961 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:25:17,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:25:17,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:17,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 23:25:17,961 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:17,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 23:25:17,961 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:17,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 23:25:17,962 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:17,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 23:25:17,962 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:17,962 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:25:17,962 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:25:17,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:25:17,962 INFO L85 PathProgramCache]: Analyzing trace with hash -145033404, now seen corresponding path program 3 times [2024-12-17 23:25:17,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:25:17,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209713209] [2024-12-17 23:25:17,962 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 23:25:17,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:25:18,003 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 23:25:18,003 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:25:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 23:25:18,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:25:18,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209713209] [2024-12-17 23:25:18,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209713209] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:25:18,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540236853] [2024-12-17 23:25:18,264 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 23:25:18,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:25:18,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:25:18,266 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 23:25:18,269 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 23:25:18,369 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 23:25:18,369 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:25:18,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 23:25:18,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:25:18,482 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 23:25:18,482 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:25:18,687 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 23:25:18,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540236853] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:25:18,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:25:18,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 18 [2024-12-17 23:25:18,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709921283] [2024-12-17 23:25:18,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:25:18,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-17 23:25:18,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:25:18,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-17 23:25:18,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-12-17 23:25:18,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:25:18,688 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:25:18,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.0555555555555554) internal successors, (37), 18 states have internal predecessors, (37), 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 23:25:18,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:18,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:18,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:18,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:18,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:25:18,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 23:25:18,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:25:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:25:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 23:25:19,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:25:19,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-17 23:25:19,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:25:19,703 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 23:25:19,703 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:25:19,703 INFO L139 ounterexampleChecker]: Examining path program with hash -1187483627, occurence #3 [2024-12-17 23:25:19,703 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:25:19,703 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:25:19,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:19,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 23:25:19,704 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:19,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 23:25:19,704 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:19,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 23:25:19,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:19,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 23:25:19,704 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:19,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 23:25:19,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:19,704 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:25:19,704 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:25:19,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:25:19,704 INFO L85 PathProgramCache]: Analyzing trace with hash -180760707, now seen corresponding path program 4 times [2024-12-17 23:25:19,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:25:19,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375513006] [2024-12-17 23:25:19,705 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 23:25:19,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:25:19,771 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 23:25:19,771 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:25:22,262 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 23:25:22,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:25:22,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375513006] [2024-12-17 23:25:22,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375513006] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:25:22,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013630463] [2024-12-17 23:25:22,262 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 23:25:22,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:25:22,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:25:22,265 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 23:25:22,266 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 23:25:22,334 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 23:25:22,334 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:25:22,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-17 23:25:22,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:25:22,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 23:25:22,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 45 [2024-12-17 23:25:22,519 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 23:25:22,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:25:22,719 INFO L349 Elim1Store]: treesize reduction 15, result has 90.2 percent of original size [2024-12-17 23:25:22,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 51 treesize of output 173 [2024-12-17 23:25:22,911 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 23:25:22,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013630463] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:25:22,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:25:22,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 5] total 19 [2024-12-17 23:25:22,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827545284] [2024-12-17 23:25:22,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:25:22,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-17 23:25:22,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:25:22,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-17 23:25:22,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2024-12-17 23:25:22,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:25:22,912 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:25:22,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 19 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 23:25:22,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:22,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:22,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:22,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:22,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:25:22,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 23:25:22,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 23:25:22,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:25:23,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:25:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 23:25:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:25:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 23:25:23,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-17 23:25:24,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:25:24,187 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 23:25:24,187 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:25:24,187 INFO L139 ounterexampleChecker]: Examining path program with hash -1187483627, occurence #4 [2024-12-17 23:25:24,187 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:25:24,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:25:24,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:24,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 23:25:24,188 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:24,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 23:25:24,188 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:24,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 23:25:24,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:24,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 23:25:24,188 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:24,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 23:25:24,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:24,188 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:25:24,188 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:25:24,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:25:24,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1871271628, now seen corresponding path program 5 times [2024-12-17 23:25:24,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:25:24,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522347291] [2024-12-17 23:25:24,189 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 23:25:24,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:25:24,205 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-12-17 23:25:24,206 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:25:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 23:25:24,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:25:24,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522347291] [2024-12-17 23:25:24,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522347291] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:25:24,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530342353] [2024-12-17 23:25:24,321 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 23:25:24,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:25:24,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:25:24,324 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 23:25:24,326 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 23:25:24,611 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-12-17 23:25:24,612 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:25:24,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 23:25:24,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:25:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 23:25:24,766 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:25:24,959 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 23:25:24,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530342353] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:25:24,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:25:24,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 9] total 23 [2024-12-17 23:25:24,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249342999] [2024-12-17 23:25:24,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:25:24,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-17 23:25:24,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:25:24,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-17 23:25:24,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-12-17 23:25:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:25:24,961 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:25:24,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.7826086956521738) internal successors, (41), 23 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 23:25:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:25:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 23:25:24,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:25:24,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 23:25:24,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:25:27,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 23:25:28,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:28,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:28,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:28,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:28,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:25:28,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:25:28,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:25:28,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 23:25:28,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:25:28,362 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 23:25:28,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:25:28,557 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 23:25:28,557 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:25:28,557 INFO L139 ounterexampleChecker]: Examining path program with hash -1187483627, occurence #5 [2024-12-17 23:25:28,557 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:25:28,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:25:28,557 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:28,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 23:25:28,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:28,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 23:25:28,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:28,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 23:25:28,557 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:28,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 23:25:28,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:28,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 23:25:28,557 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:28,557 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:25:28,557 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:25:28,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:25:28,558 INFO L85 PathProgramCache]: Analyzing trace with hash 2107982096, now seen corresponding path program 6 times [2024-12-17 23:25:28,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:25:28,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256391089] [2024-12-17 23:25:28,558 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 23:25:28,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:25:28,597 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 23:25:28,598 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:25:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 23:25:28,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 23:25:28,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256391089] [2024-12-17 23:25:28,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256391089] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 23:25:28,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127876666] [2024-12-17 23:25:28,805 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 23:25:28,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:25:28,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 23:25:28,808 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 23:25:28,811 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 23:25:28,979 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 23:25:28,979 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 23:25:28,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 23:25:28,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 23:25:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 23:25:29,122 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 23:25:29,559 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 23:25:29,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127876666] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 23:25:29,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 23:25:29,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 8] total 18 [2024-12-17 23:25:29,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787977370] [2024-12-17 23:25:29,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 23:25:29,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-17 23:25:29,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 23:25:29,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-17 23:25:29,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-12-17 23:25:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:25:29,561 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 23:25:29,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 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 23:25:29,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:29,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:29,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:29,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:29,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:25:29,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:25:29,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:25:29,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 23:25:29,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:25:29,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 23:25:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 23:25:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 23:25:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 23:25:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:25:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 23:25:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 23:25:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 23:25:35,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 23:25:35,715 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 23:25:35,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 23:25:35,908 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 23:25:35,908 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 23:25:35,908 INFO L139 ounterexampleChecker]: Examining path program with hash -1187483627, occurence #6 [2024-12-17 23:25:35,909 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 23:25:35,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 23:25:35,909 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:35,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 23:25:35,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:35,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 23:25:35,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:35,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 23:25:35,909 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:35,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 23:25:35,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 23:25:35,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 23:25:35,909 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 23:25:35,909 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 23:25:35,909 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 23:25:35,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 23:25:35,909 INFO L85 PathProgramCache]: Analyzing trace with hash -803928784, now seen corresponding path program 7 times [2024-12-17 23:25:35,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 23:25:35,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207459677] [2024-12-17 23:25:35,910 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 23:25:35,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 23:25:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Killed by 15