./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/test-easy6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f 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 ../sv-benchmarks/c/weaver/test-easy6.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce46a456eb9ebd463906f73dade5d1c1c222b26a063863b37340a2842c9ee284 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 13:06:29,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 13:06:29,309 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 13:06:29,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 13:06:29,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 13:06:29,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 13:06:29,334 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 13:06:29,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 13:06:29,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 13:06:29,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 13:06:29,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 13:06:29,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 13:06:29,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 13:06:29,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 13:06:29,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 13:06:29,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 13:06:29,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 13:06:29,336 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 13:06:29,336 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 13:06:29,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 13:06:29,336 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 13:06:29,336 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 13:06:29,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 13:06:29,336 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 13:06:29,336 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 13:06:29,336 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 13:06:29,336 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 13:06:29,336 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 -> ce46a456eb9ebd463906f73dade5d1c1c222b26a063863b37340a2842c9ee284 [2024-11-21 13:06:29,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 13:06:29,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 13:06:29,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 13:06:29,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 13:06:29,612 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 13:06:29,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/test-easy6.wvr.c [2024-11-21 13:06:30,803 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/6c4ab5838/ab58b5e9edce480c98b15924f3d98219/FLAGc2a3de509 [2024-11-21 13:06:31,014 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 13:06:31,016 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/test-easy6.wvr.c [2024-11-21 13:06:31,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/6c4ab5838/ab58b5e9edce480c98b15924f3d98219/FLAGc2a3de509 [2024-11-21 13:06:31,374 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/6c4ab5838/ab58b5e9edce480c98b15924f3d98219 [2024-11-21 13:06:31,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 13:06:31,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 13:06:31,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 13:06:31,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 13:06:31,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 13:06:31,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:06:31" (1/1) ... [2024-11-21 13:06:31,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c6edb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31, skipping insertion in model container [2024-11-21 13:06:31,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:06:31" (1/1) ... [2024-11-21 13:06:31,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 13:06:31,497 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/test-easy6.wvr.c[2032,2045] [2024-11-21 13:06:31,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 13:06:31,505 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 13:06:31,516 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/test-easy6.wvr.c[2032,2045] [2024-11-21 13:06:31,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 13:06:31,525 INFO L204 MainTranslator]: Completed translation [2024-11-21 13:06:31,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31 WrapperNode [2024-11-21 13:06:31,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 13:06:31,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 13:06:31,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 13:06:31,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 13:06:31,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31" (1/1) ... [2024-11-21 13:06:31,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31" (1/1) ... [2024-11-21 13:06:31,547 INFO L138 Inliner]: procedures = 18, calls = 13, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 92 [2024-11-21 13:06:31,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 13:06:31,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 13:06:31,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 13:06:31,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 13:06:31,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31" (1/1) ... [2024-11-21 13:06:31,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31" (1/1) ... [2024-11-21 13:06:31,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31" (1/1) ... [2024-11-21 13:06:31,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31" (1/1) ... [2024-11-21 13:06:31,556 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31" (1/1) ... [2024-11-21 13:06:31,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31" (1/1) ... [2024-11-21 13:06:31,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31" (1/1) ... [2024-11-21 13:06:31,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31" (1/1) ... [2024-11-21 13:06:31,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31" (1/1) ... [2024-11-21 13:06:31,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 13:06:31,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 13:06:31,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 13:06:31,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 13:06:31,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31" (1/1) ... [2024-11-21 13:06:31,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 13:06:31,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 13:06:31,593 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) [2024-11-21 13:06:31,595 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 [2024-11-21 13:06:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 13:06:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 13:06:31,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 13:06:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 13:06:31,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 13:06:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 13:06:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 13:06:31,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 13:06:31,615 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 13:06:31,697 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 13:06:31,699 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 13:06:31,846 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 13:06:31,846 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 13:06:31,940 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 13:06:31,940 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-21 13:06:31,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:06:31 BoogieIcfgContainer [2024-11-21 13:06:31,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 13:06:31,942 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 13:06:31,943 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 13:06:31,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 13:06:31,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:06:31" (1/3) ... [2024-11-21 13:06:31,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42692b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:06:31, skipping insertion in model container [2024-11-21 13:06:31,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:06:31" (2/3) ... [2024-11-21 13:06:31,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42692b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:06:31, skipping insertion in model container [2024-11-21 13:06:31,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:06:31" (3/3) ... [2024-11-21 13:06:31,949 INFO L128 eAbstractionObserver]: Analyzing ICFG test-easy6.wvr.c [2024-11-21 13:06:31,960 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 13:06:31,961 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG test-easy6.wvr.c that has 3 procedures, 33 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-21 13:06:31,962 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 13:06:32,010 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-21 13:06:32,050 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 13:06:32,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 13:06:32,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 13:06:32,053 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) [2024-11-21 13:06:32,055 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 [2024-11-21 13:06:32,113 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 13:06:32,124 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 13:06:32,129 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;@69bb866d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 13:06:32,129 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-21 13:06:32,327 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:06:32,327 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:06:32,328 INFO L139 ounterexampleChecker]: Examining path program with hash 1261386265, occurence #1 [2024-11-21 13:06:32,328 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:06:32,328 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:06:32,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:06:32,332 INFO L85 PathProgramCache]: Analyzing trace with hash -7061819, now seen corresponding path program 1 times [2024-11-21 13:06:32,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:06:32,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872699044] [2024-11-21 13:06:32,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:06:32,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:06:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:06:32,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:06:32,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:06:32,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872699044] [2024-11-21 13:06:32,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872699044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:06:32,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:06:32,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-21 13:06:32,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086031484] [2024-11-21 13:06:32,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:06:32,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 13:06:32,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:06:32,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 13:06:32,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-21 13:06:32,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:06:32,652 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:06:32,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 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) [2024-11-21 13:06:32,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:06:32,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:06:32,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 13:06:32,885 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:06:32,885 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:06:32,886 INFO L139 ounterexampleChecker]: Examining path program with hash -1256540891, occurence #1 [2024-11-21 13:06:32,886 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:06:32,886 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:06:32,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:06:32,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1929138743, now seen corresponding path program 2 times [2024-11-21 13:06:32,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:06:32,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595236767] [2024-11-21 13:06:32,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:06:32,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:06:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:06:33,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:06:33,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:06:33,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595236767] [2024-11-21 13:06:33,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595236767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:06:33,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:06:33,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-21 13:06:33,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306931216] [2024-11-21 13:06:33,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:06:33,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 13:06:33,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:06:33,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 13:06:33,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-21 13:06:33,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:06:33,054 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:06:33,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 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) [2024-11-21 13:06:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:06:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:06:33,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:06:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 13:06:33,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 13:06:33,397 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:06:33,397 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:06:33,398 INFO L139 ounterexampleChecker]: Examining path program with hash -162712846, occurence #1 [2024-11-21 13:06:33,398 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:06:33,398 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:06:33,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:06:33,398 INFO L85 PathProgramCache]: Analyzing trace with hash -347293709, now seen corresponding path program 3 times [2024-11-21 13:06:33,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:06:33,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053486406] [2024-11-21 13:06:33,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:06:33,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:06:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:06:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:06:33,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:06:33,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053486406] [2024-11-21 13:06:33,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053486406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:06:33,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:06:33,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 13:06:33,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003317079] [2024-11-21 13:06:33,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:06:33,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 13:06:33,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:06:33,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 13:06:33,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 13:06:33,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:06:33,472 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:06:33,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-21 13:06:33,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:06:33,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 13:06:33,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:06:33,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:06:33,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 13:06:33,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:06:33,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-21 13:06:33,554 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:06:33,554 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:06:33,555 INFO L139 ounterexampleChecker]: Examining path program with hash 674113510, occurence #1 [2024-11-21 13:06:33,555 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:06:33,555 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:06:33,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:06:33,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1621035021, now seen corresponding path program 4 times [2024-11-21 13:06:33,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:06:33,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913869392] [2024-11-21 13:06:33,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:06:33,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:06:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:06:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:06:33,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:06:33,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913869392] [2024-11-21 13:06:33,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913869392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:06:33,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:06:33,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-21 13:06:33,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143135178] [2024-11-21 13:06:33,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:06:33,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 13:06:33,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:06:33,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 13:06:33,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-21 13:06:33,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:06:33,673 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:06:33,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 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) [2024-11-21 13:06:33,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:06:33,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 13:06:33,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:06:33,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:06:33,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:06:33,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-21 13:06:33,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:06:33,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:06:33,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-21 13:06:33,851 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:06:33,852 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:06:33,852 INFO L139 ounterexampleChecker]: Examining path program with hash -1104210691, occurence #1 [2024-11-21 13:06:33,852 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:06:33,852 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:06:33,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:06:33,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1485413449, now seen corresponding path program 5 times [2024-11-21 13:06:33,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:06:33,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080079061] [2024-11-21 13:06:33,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:06:33,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:06:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:06:33,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:06:33,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:06:33,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080079061] [2024-11-21 13:06:33,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080079061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:06:33,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:06:33,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 13:06:33,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306323766] [2024-11-21 13:06:33,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:06:33,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 13:06:33,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:06:33,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 13:06:33,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 13:06:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:06:33,890 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:06:33,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-21 13:06:33,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:06:33,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-21 13:06:33,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:06:33,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:06:33,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:06:34,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:06:34,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 13:06:34,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:06:34,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:06:34,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:06:34,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-21 13:06:34,008 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:06:34,008 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:06:34,009 INFO L139 ounterexampleChecker]: Examining path program with hash 977275269, occurence #1 [2024-11-21 13:06:34,009 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:06:34,009 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:06:34,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:06:34,009 INFO L85 PathProgramCache]: Analyzing trace with hash -654679115, now seen corresponding path program 6 times [2024-11-21 13:06:34,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:06:34,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306391383] [2024-11-21 13:06:34,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:06:34,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:06:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:06:34,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:06:34,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:06:34,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306391383] [2024-11-21 13:06:34,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306391383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:06:34,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:06:34,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-21 13:06:34,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869745477] [2024-11-21 13:06:34,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:06:34,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 13:06:34,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:06:34,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 13:06:34,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-21 13:06:34,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:06:34,124 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:06:34,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 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) [2024-11-21 13:06:34,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:06:34,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 13:06:34,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:06:34,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:06:34,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:06:34,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:06:34,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:06:34,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 13:06:34,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:06:34,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:06:34,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:06:34,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 13:06:34,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-21 13:06:34,309 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:06:34,309 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:06:34,309 INFO L139 ounterexampleChecker]: Examining path program with hash -1926280060, occurence #1 [2024-11-21 13:06:34,309 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:06:34,309 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:06:34,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:06:34,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1555559251, now seen corresponding path program 7 times [2024-11-21 13:06:34,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:06:34,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717304832] [2024-11-21 13:06:34,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:06:34,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:06:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:06:34,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:06:34,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:06:34,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717304832] [2024-11-21 13:06:34,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717304832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:06:34,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:06:34,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-21 13:06:34,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072735288] [2024-11-21 13:06:34,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:06:34,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 13:06:34,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:06:34,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 13:06:34,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-21 13:06:34,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:06:34,405 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:06:34,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 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) [2024-11-21 13:06:34,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:06:34,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 13:06:34,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:06:34,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:06:34,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:06:34,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 13:06:34,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:06:34,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:06:34,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 13:06:34,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:06:34,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 13:06:34,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:06:34,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 13:06:34,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:06:34,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-21 13:06:34,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-21 13:06:34,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-21 13:06:34,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-21 13:06:34,559 INFO L422 BasicCegarLoop]: Path program histogram: [7] [2024-11-21 13:06:34,561 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-21 13:06:34,561 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 13:06:34,576 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 [2024-11-21 13:06:34,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:06:34 BasicIcfg [2024-11-21 13:06:34,578 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 13:06:34,578 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 13:06:34,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 13:06:34,578 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 13:06:34,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:06:31" (3/4) ... [2024-11-21 13:06:34,581 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-21 13:06:34,583 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-21 13:06:34,583 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-21 13:06:34,587 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2024-11-21 13:06:34,587 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-21 13:06:34,587 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-21 13:06:34,587 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-21 13:06:34,633 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-11-21 13:06:34,634 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2024-11-21 13:06:34,634 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 13:06:34,634 INFO L158 Benchmark]: Toolchain (without parser) took 3257.55ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 60.0MB in the beginning and 40.3MB in the end (delta: 19.7MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-11-21 13:06:34,635 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 13:06:34,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.32ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 48.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 13:06:34,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.37ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 47.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 13:06:34,636 INFO L158 Benchmark]: Boogie Preprocessor took 11.33ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 46.2MB in the end (delta: 761.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 13:06:34,636 INFO L158 Benchmark]: RCFGBuilder took 381.09ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 25.4MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-21 13:06:34,636 INFO L158 Benchmark]: TraceAbstraction took 2635.44ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 24.8MB in the beginning and 44.1MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 13:06:34,636 INFO L158 Benchmark]: Witness Printer took 55.30ms. Allocated memory is still 100.7MB. Free memory was 44.1MB in the beginning and 40.3MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 13:06:34,637 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 148.32ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 48.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.37ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 47.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.33ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 46.2MB in the end (delta: 761.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 381.09ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 25.4MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2635.44ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 24.8MB in the beginning and 44.1MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 55.30ms. Allocated memory is still 100.7MB. Free memory was 44.1MB in the beginning and 40.3MB in the end (delta: 3.8MB). There was no memory consumed. 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: 1749, independent: 1673, independent conditional: 1316, independent unconditional: 357, dependent: 76, dependent conditional: 49, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1749, independent: 1673, independent conditional: 1316, independent unconditional: 357, dependent: 76, dependent conditional: 49, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1749, independent: 1673, independent conditional: 1316, independent unconditional: 357, dependent: 76, dependent conditional: 49, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1929, independent: 1673, independent conditional: 1316, independent unconditional: 357, dependent: 256, dependent conditional: 229, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1929, independent: 1673, independent conditional: 12, independent unconditional: 1661, dependent: 256, dependent conditional: 85, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1929, independent: 1673, independent conditional: 12, independent unconditional: 1661, dependent: 256, dependent conditional: 85, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 412, independent: 359, independent conditional: 2, independent unconditional: 357, dependent: 53, dependent conditional: 26, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 412, independent: 352, independent conditional: 0, independent unconditional: 352, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 60, independent: 7, independent conditional: 2, independent unconditional: 5, dependent: 53, dependent conditional: 26, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, independent: 7, independent conditional: 2, independent unconditional: 5, dependent: 53, dependent conditional: 26, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 608, independent: 116, independent conditional: 22, independent unconditional: 95, dependent: 492, dependent conditional: 223, dependent unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1929, independent: 1314, independent conditional: 10, independent unconditional: 1304, dependent: 203, dependent conditional: 59, dependent unconditional: 144, unknown: 412, unknown conditional: 28, unknown unconditional: 384] , Statistics on independence cache: Total cache size (in pairs): 412, Positive cache size: 359, Positive conditional cache size: 2, Positive unconditional cache size: 357, Negative cache size: 53, Negative conditional cache size: 26, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1448, Maximal queried relation: 7, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 113, Number of trivial persistent sets: 29, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 384, independent: 357, independent conditional: 0, independent unconditional: 357, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1749, independent: 1673, independent conditional: 1316, independent unconditional: 357, dependent: 76, dependent conditional: 49, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1749, independent: 1673, independent conditional: 1316, independent unconditional: 357, dependent: 76, dependent conditional: 49, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1749, independent: 1673, independent conditional: 1316, independent unconditional: 357, dependent: 76, dependent conditional: 49, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1929, independent: 1673, independent conditional: 1316, independent unconditional: 357, dependent: 256, dependent conditional: 229, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1929, independent: 1673, independent conditional: 12, independent unconditional: 1661, dependent: 256, dependent conditional: 85, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1929, independent: 1673, independent conditional: 12, independent unconditional: 1661, dependent: 256, dependent conditional: 85, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 412, independent: 359, independent conditional: 2, independent unconditional: 357, dependent: 53, dependent conditional: 26, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 412, independent: 352, independent conditional: 0, independent unconditional: 352, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 60, independent: 7, independent conditional: 2, independent unconditional: 5, dependent: 53, dependent conditional: 26, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, independent: 7, independent conditional: 2, independent unconditional: 5, dependent: 53, dependent conditional: 26, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 608, independent: 116, independent conditional: 22, independent unconditional: 95, dependent: 492, dependent conditional: 223, dependent unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1929, independent: 1314, independent conditional: 10, independent unconditional: 1304, dependent: 203, dependent conditional: 59, dependent unconditional: 144, unknown: 412, unknown conditional: 28, unknown unconditional: 384] , Statistics on independence cache: Total cache size (in pairs): 412, Positive cache size: 359, Positive conditional cache size: 2, Positive unconditional cache size: 357, Negative cache size: 53, Negative conditional cache size: 26, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1448, Maximal queried relation: 7, Independence queries for same thread: 0 - PositiveResult [Line: 80]: 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, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 1.5s, 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: 44, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 524 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-21 13:06:34,663 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