./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/triangular-longest-1.i --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/pthread/triangular-longest-1.i -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 81809963fcaff21fd6241cde97e522447f695a8b323a0a16c5a31b7f82b0f683 --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 17:21:41,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 17:21:41,573 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 17:21:41,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 17:21:41,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 17:21:41,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 17:21:41,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 17:21:41,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 17:21:41,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 17:21:41,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 17:21:41,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 17:21:41,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 17:21:41,597 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 17:21:41,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 17:21:41,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 17:21:41,597 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 17:21:41,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 17:21:41,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 17:21:41,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 17:21:41,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 17:21:41,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 17:21:41,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 17:21:41,597 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 17:21:41,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 17:21:41,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 17:21:41,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 17:21:41,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 17:21:41,599 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 17:21:41,599 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 17:21:41,599 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 -> 81809963fcaff21fd6241cde97e522447f695a8b323a0a16c5a31b7f82b0f683 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 17:21:41,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 17:21:41,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 17:21:41,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 17:21:41,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 17:21:41,827 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 17:21:41,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/triangular-longest-1.i [2024-12-17 17:21:42,929 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a5fe43857/098984c101634e85bf3eeb24f79f8102/FLAG9af272f06 [2024-12-17 17:21:43,158 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 17:21:43,158 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/triangular-longest-1.i [2024-12-17 17:21:43,167 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a5fe43857/098984c101634e85bf3eeb24f79f8102/FLAG9af272f06 [2024-12-17 17:21:43,493 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a5fe43857/098984c101634e85bf3eeb24f79f8102 [2024-12-17 17:21:43,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 17:21:43,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 17:21:43,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 17:21:43,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 17:21:43,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 17:21:43,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 05:21:43" (1/1) ... [2024-12-17 17:21:43,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d56070d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43, skipping insertion in model container [2024-12-17 17:21:43,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 05:21:43" (1/1) ... [2024-12-17 17:21:43,525 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 17:21:43,702 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/pthread/triangular-longest-1.i[30962,30975] [2024-12-17 17:21:43,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 17:21:43,712 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 17:21:43,745 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/pthread/triangular-longest-1.i[30962,30975] [2024-12-17 17:21:43,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 17:21:43,771 INFO L204 MainTranslator]: Completed translation [2024-12-17 17:21:43,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43 WrapperNode [2024-12-17 17:21:43,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 17:21:43,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 17:21:43,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 17:21:43,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 17:21:43,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43" (1/1) ... [2024-12-17 17:21:43,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43" (1/1) ... [2024-12-17 17:21:43,792 INFO L138 Inliner]: procedures = 168, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-12-17 17:21:43,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 17:21:43,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 17:21:43,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 17:21:43,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 17:21:43,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43" (1/1) ... [2024-12-17 17:21:43,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43" (1/1) ... [2024-12-17 17:21:43,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43" (1/1) ... [2024-12-17 17:21:43,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43" (1/1) ... [2024-12-17 17:21:43,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43" (1/1) ... [2024-12-17 17:21:43,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43" (1/1) ... [2024-12-17 17:21:43,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43" (1/1) ... [2024-12-17 17:21:43,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43" (1/1) ... [2024-12-17 17:21:43,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43" (1/1) ... [2024-12-17 17:21:43,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 17:21:43,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 17:21:43,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 17:21:43,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 17:21:43,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43" (1/1) ... [2024-12-17 17:21:43,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 17:21:43,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 17:21:43,830 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 17:21:43,832 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 17:21:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-12-17 17:21:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-12-17 17:21:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-12-17 17:21:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-12-17 17:21:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 17:21:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 17:21:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 17:21:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 17:21:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 17:21:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 17:21:43,848 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 17:21:43,921 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 17:21:43,922 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 17:21:44,020 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 17:21:44,021 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 17:21:44,087 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 17:21:44,088 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 17:21:44,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 05:21:44 BoogieIcfgContainer [2024-12-17 17:21:44,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 17:21:44,093 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 17:21:44,094 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 17:21:44,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 17:21:44,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 05:21:43" (1/3) ... [2024-12-17 17:21:44,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530dd601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 05:21:44, skipping insertion in model container [2024-12-17 17:21:44,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:21:43" (2/3) ... [2024-12-17 17:21:44,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530dd601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 05:21:44, skipping insertion in model container [2024-12-17 17:21:44,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 05:21:44" (3/3) ... [2024-12-17 17:21:44,100 INFO L128 eAbstractionObserver]: Analyzing ICFG triangular-longest-1.i [2024-12-17 17:21:44,109 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 17:21:44,110 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG triangular-longest-1.i that has 3 procedures, 22 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-17 17:21:44,110 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 17:21:44,143 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-17 17:21:44,182 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 17:21:44,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 17:21:44,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 17:21:44,185 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 17:21:44,186 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 17:21:44,242 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 17:21:44,253 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 17:21:44,259 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;@3c78555d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 17:21:44,261 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-17 17:21:44,393 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 17:21:44,393 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 17:21:44,394 INFO L139 ounterexampleChecker]: Examining path program with hash -1068222161, occurence #1 [2024-12-17 17:21:44,394 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 17:21:44,394 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 17:21:44,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 17:21:44,398 INFO L85 PathProgramCache]: Analyzing trace with hash 257124573, now seen corresponding path program 1 times [2024-12-17 17:21:44,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 17:21:44,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207090087] [2024-12-17 17:21:44,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 17:21:44,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 17:21:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 17:21:44,679 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 17:21:44,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 17:21:44,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207090087] [2024-12-17 17:21:44,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207090087] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 17:21:44,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 17:21:44,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 17:21:44,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748213521] [2024-12-17 17:21:44,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 17:21:44,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 17:21:44,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 17:21:44,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 17:21:44,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-17 17:21:44,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:44,698 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 17:21:44,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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 17:21:44,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:44,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:44,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 17:21:44,828 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 17:21:44,828 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 17:21:44,828 INFO L139 ounterexampleChecker]: Examining path program with hash 1336848811, occurence #1 [2024-12-17 17:21:44,829 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 17:21:44,829 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 17:21:44,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 17:21:44,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1074544264, now seen corresponding path program 1 times [2024-12-17 17:21:44,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 17:21:44,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190509730] [2024-12-17 17:21:44,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 17:21:44,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 17:21:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 17:21:44,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:44,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 17:21:44,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190509730] [2024-12-17 17:21:44,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190509730] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 17:21:44,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504641035] [2024-12-17 17:21:44,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 17:21:44,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:21:44,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 17:21:44,951 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 17:21:44,952 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 17:21:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 17:21:45,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 17:21:45,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 17:21:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:45,080 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 17:21:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:45,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504641035] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 17:21:45,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 17:21:45,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-12-17 17:21:45,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255836769] [2024-12-17 17:21:45,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 17:21:45,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-17 17:21:45,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 17:21:45,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-17 17:21:45,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-12-17 17:21:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:45,206 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 17:21:45,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 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 17:21:45,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:45,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:45,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:45,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 17:21:45,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-17 17:21:45,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:21:45,567 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 17:21:45,567 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 17:21:45,568 INFO L139 ounterexampleChecker]: Examining path program with hash 245590573, occurence #1 [2024-12-17 17:21:45,568 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 17:21:45,568 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 17:21:45,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 17:21:45,568 INFO L85 PathProgramCache]: Analyzing trace with hash -662093330, now seen corresponding path program 2 times [2024-12-17 17:21:45,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 17:21:45,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233314336] [2024-12-17 17:21:45,568 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 17:21:45,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 17:21:45,582 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 17:21:45,582 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 17:21:45,763 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:45,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 17:21:45,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233314336] [2024-12-17 17:21:45,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233314336] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 17:21:45,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799442245] [2024-12-17 17:21:45,763 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 17:21:45,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:21:45,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 17:21:45,765 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 17:21:45,767 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 17:21:45,815 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 17:21:45,815 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 17:21:45,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-17 17:21:45,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 17:21:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:45,912 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 17:21:46,103 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:46,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799442245] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 17:21:46,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 17:21:46,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2024-12-17 17:21:46,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455199524] [2024-12-17 17:21:46,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 17:21:46,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-17 17:21:46,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 17:21:46,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-17 17:21:46,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2024-12-17 17:21:46,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:46,106 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 17:21:46,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.2) internal successors, (64), 19 states have internal predecessors, (64), 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 17:21:46,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:46,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 17:21:46,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:46,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:46,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 17:21:46,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 17:21:46,471 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 17:21:46,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:21:46,665 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 17:21:46,665 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 17:21:46,666 INFO L139 ounterexampleChecker]: Examining path program with hash 245590573, occurence #2 [2024-12-17 17:21:46,666 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 17:21:46,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 17:21:46,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 17:21:46,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 17:21:46,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 17:21:46,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 17:21:46,675 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 17:21:46,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 17:21:46,675 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 17:21:46,675 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 17:21:46,675 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 17:21:46,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 17:21:46,676 INFO L85 PathProgramCache]: Analyzing trace with hash 731693018, now seen corresponding path program 3 times [2024-12-17 17:21:46,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 17:21:46,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841964946] [2024-12-17 17:21:46,676 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 17:21:46,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 17:21:46,688 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-12-17 17:21:46,688 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 17:21:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:47,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 17:21:47,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841964946] [2024-12-17 17:21:47,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841964946] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 17:21:47,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268210396] [2024-12-17 17:21:47,014 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 17:21:47,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:21:47,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 17:21:47,017 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 17:21:47,018 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 17:21:47,069 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-12-17 17:21:47,069 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 17:21:47,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-17 17:21:47,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 17:21:47,207 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:47,207 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 17:21:47,636 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:47,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268210396] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 17:21:47,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 17:21:47,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 35 [2024-12-17 17:21:47,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759112208] [2024-12-17 17:21:47,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 17:21:47,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-12-17 17:21:47,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 17:21:47,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-12-17 17:21:47,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=977, Unknown=0, NotChecked=0, Total=1260 [2024-12-17 17:21:47,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:47,638 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 17:21:47,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.111111111111111) internal successors, (112), 35 states have internal predecessors, (112), 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 17:21:47,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:47,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 17:21:47,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 17:21:47,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:48,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 17:21:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 17:21:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 17:21:48,455 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 17:21:48,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:21:48,650 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 17:21:48,650 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 17:21:48,651 INFO L139 ounterexampleChecker]: Examining path program with hash 245590573, occurence #3 [2024-12-17 17:21:48,651 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 17:21:48,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 17:21:48,651 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 17:21:48,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 17:21:48,651 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 17:21:48,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 17:21:48,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 17:21:48,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-12-17 17:21:48,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 17:21:48,651 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 17:21:48,651 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 17:21:48,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 17:21:48,651 INFO L85 PathProgramCache]: Analyzing trace with hash 737128370, now seen corresponding path program 4 times [2024-12-17 17:21:48,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 17:21:48,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966457949] [2024-12-17 17:21:48,652 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 17:21:48,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 17:21:48,678 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 17:21:48,680 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 17:21:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 603 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:49,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 17:21:49,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966457949] [2024-12-17 17:21:49,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966457949] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 17:21:49,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873867837] [2024-12-17 17:21:49,409 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 17:21:49,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:21:49,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 17:21:49,411 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 17:21:49,411 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 17:21:49,472 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 17:21:49,472 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 17:21:49,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-17 17:21:49,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 17:21:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 603 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:49,694 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 17:21:50,152 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 603 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:50,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873867837] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 17:21:50,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 17:21:50,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 45 [2024-12-17 17:21:50,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392720142] [2024-12-17 17:21:50,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 17:21:50,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-12-17 17:21:50,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 17:21:50,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-12-17 17:21:50,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=1580, Unknown=0, NotChecked=0, Total=2070 [2024-12-17 17:21:50,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:50,155 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 17:21:50,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.0434782608695654) internal successors, (140), 45 states have internal predecessors, (140), 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 17:21:50,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:50,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 17:21:50,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 17:21:50,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 17:21:50,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:51,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:51,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 17:21:51,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 17:21:51,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 17:21:51,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-17 17:21:51,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-17 17:21:51,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:21:51,493 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 17:21:51,493 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 17:21:51,493 INFO L139 ounterexampleChecker]: Examining path program with hash 245590573, occurence #4 [2024-12-17 17:21:51,493 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 17:21:51,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 17:21:51,493 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 17:21:51,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 17:21:51,493 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 17:21:51,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 17:21:51,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 17:21:51,494 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-12-17 17:21:51,494 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 17:21:51,494 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 17:21:51,494 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 17:21:51,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 17:21:51,494 INFO L85 PathProgramCache]: Analyzing trace with hash -255878892, now seen corresponding path program 5 times [2024-12-17 17:21:51,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 17:21:51,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270617842] [2024-12-17 17:21:51,494 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 17:21:51,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 17:21:51,514 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-12-17 17:21:51,514 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 17:21:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 1221 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:51,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 17:21:51,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270617842] [2024-12-17 17:21:51,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270617842] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 17:21:51,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 17:21:51,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-12-17 17:21:51,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935939220] [2024-12-17 17:21:51,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 17:21:51,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-17 17:21:51,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 17:21:51,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-17 17:21:51,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2024-12-17 17:21:51,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:51,950 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 17:21:51,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.956521739130435) internal successors, (137), 23 states have internal predecessors, (137), 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 17:21:51,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:51,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 17:21:51,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 17:21:51,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 17:21:51,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-17 17:21:51,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:53,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:53,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 17:21:53,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 17:21:53,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-17 17:21:53,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-17 17:21:53,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 17:21:53,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-17 17:21:53,335 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 17:21:53,335 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 17:21:53,335 INFO L139 ounterexampleChecker]: Examining path program with hash -966455200, occurence #1 [2024-12-17 17:21:53,335 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 17:21:53,335 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 17:21:53,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 17:21:53,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1145224420, now seen corresponding path program 6 times [2024-12-17 17:21:53,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 17:21:53,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843465586] [2024-12-17 17:21:53,336 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 17:21:53,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 17:21:53,341 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-12-17 17:21:53,341 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 17:21:53,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:53,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 17:21:53,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843465586] [2024-12-17 17:21:53,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843465586] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 17:21:53,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166911648] [2024-12-17 17:21:53,399 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 17:21:53,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:21:53,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 17:21:53,401 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 17:21:53,403 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 17:21:53,441 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-12-17 17:21:53,441 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 17:21:53,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 17:21:53,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 17:21:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:53,475 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 17:21:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:53,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166911648] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 17:21:53,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 17:21:53,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-12-17 17:21:53,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538606842] [2024-12-17 17:21:53,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 17:21:53,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-17 17:21:53,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 17:21:53,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-17 17:21:53,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-12-17 17:21:53,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:53,516 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 17:21:53,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 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 17:21:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 17:21:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 17:21:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-17 17:21:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-17 17:21:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 17:21:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:54,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:54,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 17:21:54,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 17:21:54,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-17 17:21:54,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-17 17:21:54,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 17:21:54,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 17:21:54,027 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 17:21:54,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:21:54,219 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 17:21:54,219 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 17:21:54,220 INFO L139 ounterexampleChecker]: Examining path program with hash -966455200, occurence #2 [2024-12-17 17:21:54,220 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 17:21:54,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 17:21:54,220 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 17:21:54,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 17:21:54,220 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 17:21:54,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 17:21:54,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 17:21:54,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1688340432, now seen corresponding path program 1 times [2024-12-17 17:21:54,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 17:21:54,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38046491] [2024-12-17 17:21:54,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 17:21:54,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 17:21:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 17:21:54,322 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:54,322 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 17:21:54,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38046491] [2024-12-17 17:21:54,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38046491] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 17:21:54,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1911115888] [2024-12-17 17:21:54,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 17:21:54,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 17:21:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 17:21:54,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 17:21:54,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 17:21:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:54,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1911115888] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 17:21:54,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 17:21:54,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2024-12-17 17:21:54,375 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 17:21:54,375 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 17:21:54,375 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 17:21:54,375 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-17 17:21:54,375 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 17:21:54,375 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 17:21:54,375 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 17:21:54,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 17:21:54,376 INFO L85 PathProgramCache]: Analyzing trace with hash 797012915, now seen corresponding path program 7 times [2024-12-17 17:21:54,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 17:21:54,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246554593] [2024-12-17 17:21:54,376 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 17:21:54,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 17:21:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 17:21:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:54,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 17:21:54,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246554593] [2024-12-17 17:21:54,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246554593] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 17:21:54,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768507872] [2024-12-17 17:21:54,500 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 17:21:54,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:21:54,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 17:21:54,502 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 17:21:54,503 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 17:21:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 17:21:54,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 17:21:54,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 17:21:54,583 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:54,584 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 17:21:54,720 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:54,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768507872] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 17:21:54,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 17:21:54,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-12-17 17:21:54,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713680336] [2024-12-17 17:21:54,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 17:21:54,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-17 17:21:54,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 17:21:54,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-17 17:21:54,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2024-12-17 17:21:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:54,722 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 17:21:54,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8461538461538463) internal successors, (74), 25 states have internal predecessors, (74), 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 17:21:54,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:54,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 17:21:54,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 17:21:54,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-17 17:21:54,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-17 17:21:54,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 17:21:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 17:21:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:55,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:55,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 17:21:55,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 17:21:55,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-17 17:21:55,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-17 17:21:55,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 17:21:55,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 17:21:55,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-17 17:21:55,938 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 17:21:56,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:21:56,133 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 17:21:56,134 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 17:21:56,134 INFO L139 ounterexampleChecker]: Examining path program with hash -966455200, occurence #3 [2024-12-17 17:21:56,134 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 17:21:56,134 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 17:21:56,134 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 17:21:56,134 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 17:21:56,134 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 17:21:56,134 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-17 17:21:56,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 17:21:56,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1013502993, now seen corresponding path program 1 times [2024-12-17 17:21:56,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 17:21:56,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105451488] [2024-12-17 17:21:56,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 17:21:56,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 17:21:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 17:21:56,375 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:56,376 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 17:21:56,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105451488] [2024-12-17 17:21:56,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105451488] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 17:21:56,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1734052707] [2024-12-17 17:21:56,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 17:21:56,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 17:21:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 17:21:56,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 17:21:56,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 17:21:56,459 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:56,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1734052707] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 17:21:56,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 17:21:56,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2024-12-17 17:21:56,459 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 17:21:56,459 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-12-17 17:21:56,459 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 17:21:56,459 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-17 17:21:56,460 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 17:21:56,460 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 17:21:56,460 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 17:21:56,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 17:21:56,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1322479633, now seen corresponding path program 8 times [2024-12-17 17:21:56,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 17:21:56,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060703868] [2024-12-17 17:21:56,460 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 17:21:56,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 17:21:56,467 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 17:21:56,468 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 17:21:56,745 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:56,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 17:21:56,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060703868] [2024-12-17 17:21:56,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060703868] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 17:21:56,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477250830] [2024-12-17 17:21:56,746 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 17:21:56,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:21:56,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 17:21:56,748 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 17:21:56,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-17 17:21:56,791 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 17:21:56,791 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 17:21:56,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-17 17:21:56,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 17:21:56,883 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:56,883 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 17:21:57,249 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:21:57,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477250830] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 17:21:57,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 17:21:57,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 48 [2024-12-17 17:21:57,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779922186] [2024-12-17 17:21:57,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 17:21:57,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-12-17 17:21:57,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 17:21:57,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-12-17 17:21:57,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=549, Invalid=1803, Unknown=0, NotChecked=0, Total=2352 [2024-12-17 17:21:57,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:21:57,251 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 17:21:57,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.9591836734693877) internal successors, (145), 48 states have internal predecessors, (145), 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 17:21:57,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:21:57,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 17:21:57,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 17:21:57,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-17 17:21:57,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-17 17:21:57,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 17:21:57,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 17:21:57,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-12-17 17:21:57,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:22:00,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:22:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 17:22:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 17:22:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-17 17:22:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-17 17:22:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 17:22:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 17:22:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-17 17:22:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-12-17 17:22:00,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-12-17 17:22:00,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:22:00,788 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 17:22:00,789 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 17:22:00,789 INFO L139 ounterexampleChecker]: Examining path program with hash 295359065, occurence #1 [2024-12-17 17:22:00,790 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 17:22:00,790 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 17:22:00,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 17:22:00,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1948230748, now seen corresponding path program 9 times [2024-12-17 17:22:00,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 17:22:00,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299216509] [2024-12-17 17:22:00,790 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 17:22:00,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 17:22:00,809 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-12-17 17:22:00,809 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 17:22:01,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 0 proven. 1083 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:22:01,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 17:22:01,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299216509] [2024-12-17 17:22:01,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299216509] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 17:22:01,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817849315] [2024-12-17 17:22:01,418 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 17:22:01,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:22:01,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 17:22:01,420 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 17:22:01,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-17 17:22:01,472 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-12-17 17:22:01,473 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 17:22:01,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-17 17:22:01,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 17:22:01,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 0 proven. 1083 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:22:01,598 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 17:22:02,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 0 proven. 1083 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 17:22:02,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817849315] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 17:22:02,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 17:22:02,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44, 44] total 86 [2024-12-17 17:22:02,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112600449] [2024-12-17 17:22:02,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 17:22:02,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-12-17 17:22:02,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 17:22:02,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-12-17 17:22:02,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1740, Invalid=5742, Unknown=0, NotChecked=0, Total=7482 [2024-12-17 17:22:02,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:22:02,334 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 17:22:02,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 2.954022988505747) internal successors, (257), 86 states have internal predecessors, (257), 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 17:22:02,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:22:02,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-17 17:22:02,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 17:22:02,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-17 17:22:02,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-17 17:22:02,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 17:22:02,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 17:22:02,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-12-17 17:22:02,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-12-17 17:22:02,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 17:22:06,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 17:22:06,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 17:22:06,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 17:22:06,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-17 17:22:06,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-17 17:22:06,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 17:22:06,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 17:22:06,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-17 17:22:06,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-12-17 17:22:06,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-12-17 17:22:06,284 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-12-17 17:22:06,284 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-12-17 17:22:06,284 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-12-17 17:22:06,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-17 17:22:06,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 17:22:06,489 INFO L422 BasicCegarLoop]: Path program histogram: [9, 1] [2024-12-17 17:22:06,491 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-17 17:22:06,491 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-17 17:22:06,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-12-17 17:22:06,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 05:22:06 BasicIcfg [2024-12-17 17:22:06,500 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-17 17:22:06,501 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-17 17:22:06,501 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-17 17:22:06,501 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-17 17:22:06,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 05:21:44" (3/4) ... [2024-12-17 17:22:06,503 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-17 17:22:06,505 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2024-12-17 17:22:06,505 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2024-12-17 17:22:06,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-12-17 17:22:06,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-12-17 17:22:06,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-17 17:22:06,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-17 17:22:06,557 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-12-17 17:22:06,558 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2024-12-17 17:22:06,558 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-17 17:22:06,559 INFO L158 Benchmark]: Toolchain (without parser) took 23063.52ms. Allocated memory was 142.6MB in the beginning and 645.9MB in the end (delta: 503.3MB). Free memory was 108.9MB in the beginning and 544.0MB in the end (delta: -435.1MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2024-12-17 17:22:06,559 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 17:22:06,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.87ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 89.4MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-17 17:22:06,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.88ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 88.1MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 17:22:06,561 INFO L158 Benchmark]: Boogie Preprocessor took 14.54ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 87.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 17:22:06,561 INFO L158 Benchmark]: RCFGBuilder took 280.57ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 70.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-17 17:22:06,562 INFO L158 Benchmark]: TraceAbstraction took 22407.12ms. Allocated memory was 142.6MB in the beginning and 645.9MB in the end (delta: 503.3MB). Free memory was 70.2MB in the beginning and 548.9MB in the end (delta: -478.7MB). Peak memory consumption was 356.1MB. Max. memory is 16.1GB. [2024-12-17 17:22:06,562 INFO L158 Benchmark]: Witness Printer took 57.39ms. Allocated memory is still 645.9MB. Free memory was 548.9MB in the beginning and 544.0MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 17:22:06,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.87ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 89.4MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.88ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 88.1MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.54ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 87.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 280.57ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 70.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 22407.12ms. Allocated memory was 142.6MB in the beginning and 645.9MB in the end (delta: 503.3MB). Free memory was 70.2MB in the beginning and 548.9MB in the end (delta: -478.7MB). Peak memory consumption was 356.1MB. Max. memory is 16.1GB. * Witness Printer took 57.39ms. Allocated memory is still 645.9MB. Free memory was 548.9MB in the beginning and 544.0MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 444950, independent: 368033, independent conditional: 367781, independent unconditional: 252, dependent: 76917, dependent conditional: 76910, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 378823, independent: 368033, independent conditional: 367781, independent unconditional: 252, dependent: 10790, dependent conditional: 10783, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 378823, independent: 368033, independent conditional: 367781, independent unconditional: 252, dependent: 10790, dependent conditional: 10783, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 465099, independent: 368033, independent conditional: 367781, independent unconditional: 252, dependent: 97066, dependent conditional: 97059, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 465099, independent: 368033, independent conditional: 27520, independent unconditional: 340513, dependent: 97066, dependent conditional: 43531, dependent unconditional: 53535, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 465099, independent: 368033, independent conditional: 27520, independent unconditional: 340513, dependent: 97066, dependent conditional: 43531, dependent unconditional: 53535, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1101, independent: 486, independent conditional: 261, independent unconditional: 225, dependent: 615, dependent conditional: 608, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1101, independent: 223, independent conditional: 0, independent unconditional: 223, dependent: 878, dependent conditional: 0, dependent unconditional: 878, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 878, independent: 263, independent conditional: 261, independent unconditional: 2, dependent: 615, dependent conditional: 608, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 878, independent: 263, independent conditional: 261, independent unconditional: 2, dependent: 615, dependent conditional: 608, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3833, independent: 1971, independent conditional: 1925, independent unconditional: 46, dependent: 1861, dependent conditional: 1768, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 2, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 465099, independent: 367547, independent conditional: 27259, independent unconditional: 340288, dependent: 96451, dependent conditional: 42923, dependent unconditional: 53528, unknown: 1101, unknown conditional: 869, unknown unconditional: 232] , Statistics on independence cache: Total cache size (in pairs): 1103, Positive cache size: 488, Positive conditional cache size: 263, Positive unconditional cache size: 225, Negative cache size: 615, Negative conditional cache size: 608, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 393789, Maximal queried relation: 10, Independence queries for same thread: 66127, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 79, Number of trivial persistent sets: 52, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 259, independent: 252, independent conditional: 0, independent unconditional: 252, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 444950, independent: 368033, independent conditional: 367781, independent unconditional: 252, dependent: 76917, dependent conditional: 76910, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 378823, independent: 368033, independent conditional: 367781, independent unconditional: 252, dependent: 10790, dependent conditional: 10783, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 378823, independent: 368033, independent conditional: 367781, independent unconditional: 252, dependent: 10790, dependent conditional: 10783, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 465099, independent: 368033, independent conditional: 367781, independent unconditional: 252, dependent: 97066, dependent conditional: 97059, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 465099, independent: 368033, independent conditional: 27520, independent unconditional: 340513, dependent: 97066, dependent conditional: 43531, dependent unconditional: 53535, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 465099, independent: 368033, independent conditional: 27520, independent unconditional: 340513, dependent: 97066, dependent conditional: 43531, dependent unconditional: 53535, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1101, independent: 486, independent conditional: 261, independent unconditional: 225, dependent: 615, dependent conditional: 608, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1101, independent: 223, independent conditional: 0, independent unconditional: 223, dependent: 878, dependent conditional: 0, dependent unconditional: 878, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 878, independent: 263, independent conditional: 261, independent unconditional: 2, dependent: 615, dependent conditional: 608, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 878, independent: 263, independent conditional: 261, independent unconditional: 2, dependent: 615, dependent conditional: 608, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3833, independent: 1971, independent conditional: 1925, independent unconditional: 46, dependent: 1861, dependent conditional: 1768, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 2, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 465099, independent: 367547, independent conditional: 27259, independent unconditional: 340288, dependent: 96451, dependent conditional: 42923, dependent unconditional: 53528, unknown: 1101, unknown conditional: 869, unknown unconditional: 232] , Statistics on independence cache: Total cache size (in pairs): 1103, Positive cache size: 488, Positive conditional cache size: 263, Positive unconditional cache size: 225, Negative cache size: 615, Negative conditional cache size: 608, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 393789, Maximal queried relation: 10, Independence queries for same thread: 66127 - PositiveResult [Line: 722]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 34 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 22.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 13.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 364, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 1064 NumberOfCodeBlocks, 1064 NumberOfCodeBlocksAsserted, 99 NumberOfCheckSat, 1496 ConstructedInterpolants, 0 QuantifiedInterpolants, 6910 SizeOfPredicates, 137 NumberOfNonLiveVariables, 1239 ConjunctsInSsa, 177 ConjunctsInUnsatCore, 26 InterpolantComputations, 2 PerfectInterpolantSequences, 1221/7635 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 488, ConditionCalculationTime [ms]: 35, ConditionCalculations: 12, QuantifiedConditions: 0, TraceChecks: 2, UnknownTraceChecks: 0, ImperfectProofs: 2 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-17 17:22:06,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE