./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.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 d79cb5dae664e13779624ff0ffbc531b419f89e2c7510a92e890992a52ee7c98 --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 22:39:01,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 22:39:01,398 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 22:39:01,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 22:39:01,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 22:39:01,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 22:39:01,425 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 22:39:01,425 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 22:39:01,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 22:39:01,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 22:39:01,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 22:39:01,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 22:39:01,426 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 22:39:01,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 22:39:01,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 22:39:01,427 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 22:39:01,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 22:39:01,427 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 22:39:01,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 22:39:01,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 22:39:01,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 22:39:01,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 22:39:01,428 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 22:39:01,428 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 22:39:01,428 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 22:39:01,428 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 22:39:01,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 22:39:01,428 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 22:39:01,428 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 22:39:01,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 22:39:01,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 22:39:01,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 22:39:01,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 22:39:01,429 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 22:39:01,429 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 22:39:01,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 22:39:01,429 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 22:39:01,429 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 22:39:01,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 22:39:01,429 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 22:39:01,429 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 22:39:01,429 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 22:39:01,429 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 22:39:01,429 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 -> d79cb5dae664e13779624ff0ffbc531b419f89e2c7510a92e890992a52ee7c98 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 22:39:01,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 22:39:01,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 22:39:01,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 22:39:01,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 22:39:01,629 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 22:39:01,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2024-12-17 22:39:02,729 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/53757979b/3eaafe56de1949b69ba3cfd5e6ac8b2b/FLAG08f557724 [2024-12-17 22:39:02,997 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 22:39:02,998 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2024-12-17 22:39:03,003 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/53757979b/3eaafe56de1949b69ba3cfd5e6ac8b2b/FLAG08f557724 [2024-12-17 22:39:03,012 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/53757979b/3eaafe56de1949b69ba3cfd5e6ac8b2b [2024-12-17 22:39:03,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 22:39:03,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 22:39:03,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 22:39:03,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 22:39:03,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 22:39:03,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:39:03" (1/1) ... [2024-12-17 22:39:03,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5531e6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03, skipping insertion in model container [2024-12-17 22:39:03,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:39:03" (1/1) ... [2024-12-17 22:39:03,029 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 22:39:03,148 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c[3081,3094] [2024-12-17 22:39:03,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 22:39:03,163 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 22:39:03,181 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c[3081,3094] [2024-12-17 22:39:03,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 22:39:03,198 INFO L204 MainTranslator]: Completed translation [2024-12-17 22:39:03,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03 WrapperNode [2024-12-17 22:39:03,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 22:39:03,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 22:39:03,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 22:39:03,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 22:39:03,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03" (1/1) ... [2024-12-17 22:39:03,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03" (1/1) ... [2024-12-17 22:39:03,224 INFO L138 Inliner]: procedures = 25, calls = 35, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 162 [2024-12-17 22:39:03,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 22:39:03,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 22:39:03,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 22:39:03,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 22:39:03,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03" (1/1) ... [2024-12-17 22:39:03,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03" (1/1) ... [2024-12-17 22:39:03,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03" (1/1) ... [2024-12-17 22:39:03,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03" (1/1) ... [2024-12-17 22:39:03,248 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03" (1/1) ... [2024-12-17 22:39:03,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03" (1/1) ... [2024-12-17 22:39:03,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03" (1/1) ... [2024-12-17 22:39:03,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03" (1/1) ... [2024-12-17 22:39:03,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03" (1/1) ... [2024-12-17 22:39:03,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 22:39:03,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 22:39:03,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 22:39:03,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 22:39:03,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03" (1/1) ... [2024-12-17 22:39:03,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 22:39:03,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:39:03,282 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 22:39:03,283 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 22:39:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 22:39:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 22:39:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 22:39:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 22:39:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 22:39:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-17 22:39:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-17 22:39:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 22:39:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 22:39:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 22:39:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 22:39:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 22:39:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 22:39:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 22:39:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 22:39:03,301 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 22:39:03,363 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 22:39:03,364 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 22:39:03,567 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 22:39:03,568 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 22:39:03,753 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 22:39:03,754 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 22:39:03,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:39:03 BoogieIcfgContainer [2024-12-17 22:39:03,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 22:39:03,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 22:39:03,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 22:39:03,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 22:39:03,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:39:03" (1/3) ... [2024-12-17 22:39:03,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a89294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:39:03, skipping insertion in model container [2024-12-17 22:39:03,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:39:03" (2/3) ... [2024-12-17 22:39:03,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a89294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:39:03, skipping insertion in model container [2024-12-17 22:39:03,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:39:03" (3/3) ... [2024-12-17 22:39:03,762 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2024-12-17 22:39:03,773 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 22:39:03,774 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-multiply-verify.wvr.c that has 4 procedures, 33 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-12-17 22:39:03,775 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 22:39:03,833 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-17 22:39:03,866 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 22:39:03,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 22:39:03,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:39:03,869 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 22:39:03,871 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 22:39:03,928 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 22:39:03,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 22:39:03,943 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;@61b1965d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 22:39:03,943 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-17 22:39:04,238 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 22:39:04,238 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:39:04,239 INFO L139 ounterexampleChecker]: Examining path program with hash -1985120011, occurence #1 [2024-12-17 22:39:04,239 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:39:04,239 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:39:04,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:39:04,243 INFO L85 PathProgramCache]: Analyzing trace with hash 35637497, now seen corresponding path program 1 times [2024-12-17 22:39:04,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:39:04,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849773815] [2024-12-17 22:39:04,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:39:04,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:39:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:39:04,477 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 22:39:04,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:39:04,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849773815] [2024-12-17 22:39:04,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849773815] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:39:04,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:39:04,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 22:39:04,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892993658] [2024-12-17 22:39:04,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:39:04,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 22:39:04,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:39:04,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 22:39:04,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 22:39:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:04,495 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:39:04,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 22:39:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:04,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:04,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 22:39:04,619 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 22:39:04,619 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:39:04,619 INFO L139 ounterexampleChecker]: Examining path program with hash 552738941, occurence #1 [2024-12-17 22:39:04,619 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:39:04,619 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:39:04,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:39:04,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1479608347, now seen corresponding path program 2 times [2024-12-17 22:39:04,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:39:04,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822733824] [2024-12-17 22:39:04,620 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:39:04,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:39:04,638 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 22:39:04,639 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:39:04,811 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 22:39:04,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:39:04,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822733824] [2024-12-17 22:39:04,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822733824] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:39:04,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:39:04,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 22:39:04,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128728332] [2024-12-17 22:39:04,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:39:04,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 22:39:04,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:39:04,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 22:39:04,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-17 22:39:04,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:04,814 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:39:04,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 22:39:04,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:04,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:39:04,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 22:39:04,891 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 22:39:04,892 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:39:04,892 INFO L139 ounterexampleChecker]: Examining path program with hash 552738941, occurence #2 [2024-12-17 22:39:04,892 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:39:04,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-17 22:39:04,905 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:04,905 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 22:39:04,905 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:04,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 22:39:04,906 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:04,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 22:39:04,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:39:04,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1658303513, now seen corresponding path program 1 times [2024-12-17 22:39:04,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:39:04,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797207671] [2024-12-17 22:39:04,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:39:04,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:39:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:39:05,037 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 22:39:05,037 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:39:05,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797207671] [2024-12-17 22:39:05,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797207671] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:39:05,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1062318264] [2024-12-17 22:39:05,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:39:05,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:39:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:39:05,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 22:39:05,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:39:05,143 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 22:39:05,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1062318264] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:39:05,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:39:05,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 6 [2024-12-17 22:39:05,143 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:39:05,143 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-17 22:39:05,144 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:05,144 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 22:39:05,144 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:39:05,144 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:39:05,144 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:39:05,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:39:05,144 INFO L85 PathProgramCache]: Analyzing trace with hash -2085046429, now seen corresponding path program 1 times [2024-12-17 22:39:05,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:39:05,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255231419] [2024-12-17 22:39:05,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:39:05,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:39:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:39:05,263 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 22:39:05,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:39:05,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255231419] [2024-12-17 22:39:05,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255231419] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:39:05,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624738358] [2024-12-17 22:39:05,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:39:05,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:39:05,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:39:05,267 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 22:39:05,269 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 22:39:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:39:05,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 22:39:05,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:39:05,398 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 22:39:05,398 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:39:05,481 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 22:39:05,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624738358] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:39:05,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:39:05,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-12-17 22:39:05,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940852269] [2024-12-17 22:39:05,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:39:05,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-17 22:39:05,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:39:05,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-17 22:39:05,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-12-17 22:39:05,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:05,484 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:39:05,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 11 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:39:05,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:05,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:39:05,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:39:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:05,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-17 22:39:05,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:39:05,794 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 22:39:05,794 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:39:05,794 INFO L139 ounterexampleChecker]: Examining path program with hash 552738941, occurence #3 [2024-12-17 22:39:05,794 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:39:05,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 22:39:05,795 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:05,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 22:39:05,795 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:05,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 22:39:05,795 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:05,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 22:39:05,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:39:05,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1860753964, now seen corresponding path program 1 times [2024-12-17 22:39:05,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:39:05,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128986315] [2024-12-17 22:39:05,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:39:05,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:39:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:39:05,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 22:39:05,961 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:39:05,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128986315] [2024-12-17 22:39:05,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128986315] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:39:05,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:39:05,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-17 22:39:05,962 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 20. Constructing proof automaton... [2024-12-17 22:39:05,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:39:05,963 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-17 22:39:05,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 22:39:05,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-17 22:39:05,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 22:39:05,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-17 22:39:05,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:05,963 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:39:05,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 22:39:05,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:05,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:39:05,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:05,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:06,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:06,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:39:06,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:06,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:06,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-17 22:39:06,064 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 22:39:06,064 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:39:06,064 INFO L139 ounterexampleChecker]: Examining path program with hash 1408605775, occurence #1 [2024-12-17 22:39:06,064 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:39:06,064 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:39:06,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:39:06,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1513657534, now seen corresponding path program 1 times [2024-12-17 22:39:06,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:39:06,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512277084] [2024-12-17 22:39:06,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:39:06,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:39:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:39:06,238 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 22:39:06,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:39:06,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512277084] [2024-12-17 22:39:06,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512277084] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:39:06,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739959359] [2024-12-17 22:39:06,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:39:06,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:39:06,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:39:06,241 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 22:39:06,242 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 22:39:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:39:06,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 22:39:06,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:39:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 22:39:06,382 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:39:06,483 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 22:39:06,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739959359] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:39:06,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:39:06,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-12-17 22:39:06,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037570730] [2024-12-17 22:39:06,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:39:06,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-17 22:39:06,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:39:06,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-17 22:39:06,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-12-17 22:39:06,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:06,484 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:39:06,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.117647058823529) internal successors, (70), 17 states have internal predecessors, (70), 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 22:39:06,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:06,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:39:06,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:06,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:06,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:06,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:06,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:39:06,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:06,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:06,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:39:06,902 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 22:39:07,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:39:07,090 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 22:39:07,090 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:39:07,091 INFO L139 ounterexampleChecker]: Examining path program with hash 932353203, occurence #1 [2024-12-17 22:39:07,091 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:39:07,091 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:39:07,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:39:07,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1193111402, now seen corresponding path program 2 times [2024-12-17 22:39:07,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:39:07,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127382620] [2024-12-17 22:39:07,091 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:39:07,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:39:07,165 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:39:07,165 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:39:08,410 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 22:39:08,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:39:08,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127382620] [2024-12-17 22:39:08,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127382620] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:39:08,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989169718] [2024-12-17 22:39:08,411 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:39:08,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:39:08,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:39:08,413 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 22:39:08,414 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 22:39:08,503 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:39:08,504 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:39:08,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-17 22:39:08,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:39:08,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-17 22:39:09,157 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 22:39:09,158 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:39:10,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 70 [2024-12-17 22:39:10,481 INFO L349 Elim1Store]: treesize reduction 13, result has 64.9 percent of original size [2024-12-17 22:39:10,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 171 treesize of output 142 [2024-12-17 22:39:10,722 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 22:39:10,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989169718] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:39:10,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:39:10,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 16] total 44 [2024-12-17 22:39:10,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033232727] [2024-12-17 22:39:10,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:39:10,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-12-17 22:39:10,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:39:10,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-12-17 22:39:10,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=1659, Unknown=0, NotChecked=0, Total=1980 [2024-12-17 22:39:10,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:10,725 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:39:10,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.7333333333333334) internal successors, (123), 44 states have internal predecessors, (123), 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 22:39:10,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:10,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:39:10,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:10,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:10,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:39:10,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:39:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:39:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:39:11,919 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 22:39:12,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:39:12,115 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 22:39:12,115 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:39:12,116 INFO L139 ounterexampleChecker]: Examining path program with hash 932353203, occurence #2 [2024-12-17 22:39:12,116 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:39:12,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 22:39:12,116 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:12,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 22:39:12,116 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:12,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 22:39:12,116 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:12,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 22:39:12,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:39:12,132 INFO L85 PathProgramCache]: Analyzing trace with hash 612480180, now seen corresponding path program 1 times [2024-12-17 22:39:12,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:39:12,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282745103] [2024-12-17 22:39:12,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:39:12,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:39:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 22:39:12,150 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 22:39:12,150 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 22:39:12,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-12-17 22:39:12,151 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:12,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-12-17 22:39:12,151 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:39:12,151 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:39:12,151 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:39:12,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:39:12,151 INFO L85 PathProgramCache]: Analyzing trace with hash 2086878870, now seen corresponding path program 3 times [2024-12-17 22:39:12,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:39:12,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016616110] [2024-12-17 22:39:12,151 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:39:12,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:39:12,198 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-17 22:39:12,199 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:39:12,843 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-17 22:39:12,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:39:12,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016616110] [2024-12-17 22:39:12,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016616110] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:39:12,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493438013] [2024-12-17 22:39:12,844 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:39:12,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:39:12,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:39:12,850 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 22:39:12,854 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 22:39:13,063 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-17 22:39:13,063 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:39:13,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-17 22:39:13,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:39:13,408 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:39:13,408 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:39:13,505 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 22:39:13,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 60 [2024-12-17 22:39:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-17 22:39:13,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493438013] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-17 22:39:13,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:39:13,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 18] total 28 [2024-12-17 22:39:13,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931355696] [2024-12-17 22:39:13,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:39:13,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-17 22:39:13,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:39:13,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-17 22:39:13,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=711, Unknown=0, NotChecked=0, Total=812 [2024-12-17 22:39:13,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:13,903 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:39:13,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 8 states have internal predecessors, (31), 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 22:39:13,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:13,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:39:13,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:13,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:13,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:39:13,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:39:13,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:14,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:14,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:39:14,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:14,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:14,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:39:14,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:39:14,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:39:14,041 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 22:39:14,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-17 22:39:14,237 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 22:39:14,237 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:39:14,237 INFO L139 ounterexampleChecker]: Examining path program with hash 1789121896, occurence #1 [2024-12-17 22:39:14,237 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:39:14,237 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:39:14,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:39:14,237 INFO L85 PathProgramCache]: Analyzing trace with hash -536933145, now seen corresponding path program 4 times [2024-12-17 22:39:14,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:39:14,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194420908] [2024-12-17 22:39:14,238 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:39:14,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:39:14,260 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:39:14,262 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:39:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 22:39:14,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:39:14,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194420908] [2024-12-17 22:39:14,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194420908] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:39:14,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080500837] [2024-12-17 22:39:14,470 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:39:14,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:39:14,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:39:14,472 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 22:39:14,473 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 22:39:14,533 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:39:14,533 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:39:14,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 22:39:14,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:39:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 22:39:14,660 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:39:14,870 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 22:39:14,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080500837] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:39:14,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:39:14,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24 [2024-12-17 22:39:14,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543468481] [2024-12-17 22:39:14,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:39:14,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-17 22:39:14,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:39:14,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-17 22:39:14,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=437, Unknown=0, NotChecked=0, Total=552 [2024-12-17 22:39:14,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:14,873 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:39:14,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.5416666666666665) internal successors, (85), 24 states have internal predecessors, (85), 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 22:39:14,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:14,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:39:14,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:14,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:14,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:39:14,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:39:14,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:39:14,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:15,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:15,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:39:15,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:15,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:15,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-17 22:39:15,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:39:15,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:39:15,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:39:15,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-17 22:39:15,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-17 22:39:15,678 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 22:39:15,678 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:39:15,678 INFO L139 ounterexampleChecker]: Examining path program with hash 1789121896, occurence #2 [2024-12-17 22:39:15,678 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:39:15,678 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 22:39:15,679 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:15,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 22:39:15,679 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:15,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 22:39:15,679 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:15,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-12-17 22:39:15,679 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:39:15,679 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-12-17 22:39:15,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:39:15,699 INFO L85 PathProgramCache]: Analyzing trace with hash -503278352, now seen corresponding path program 1 times [2024-12-17 22:39:15,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:39:15,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210762174] [2024-12-17 22:39:15,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:39:15,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:39:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:39:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 1 proven. 133 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 22:39:16,177 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:39:16,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210762174] [2024-12-17 22:39:16,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210762174] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:39:16,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2041413930] [2024-12-17 22:39:16,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:39:16,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:39:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:39:16,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-17 22:39:16,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:39:16,767 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 1 proven. 133 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 22:39:16,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2041413930] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:39:16,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:39:16,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21] total 37 [2024-12-17 22:39:16,767 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:39:16,767 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-17 22:39:16,767 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:39:16,768 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-17 22:39:16,768 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:39:16,768 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:39:16,768 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:39:16,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:39:16,768 INFO L85 PathProgramCache]: Analyzing trace with hash -297513213, now seen corresponding path program 5 times [2024-12-17 22:39:16,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:39:16,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49588933] [2024-12-17 22:39:16,768 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:39:16,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:39:16,794 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-12-17 22:39:16,795 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:39:16,955 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-17 22:39:16,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:39:16,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49588933] [2024-12-17 22:39:16,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49588933] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:39:16,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759904909] [2024-12-17 22:39:16,955 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:39:16,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:39:16,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:39:16,957 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 22:39:16,959 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 22:39:17,099 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-12-17 22:39:17,099 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:39:17,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-17 22:39:17,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:39:17,338 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 1 proven. 133 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 22:39:17,338 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:39:17,705 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 1 proven. 133 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 22:39:17,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759904909] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:39:17,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:39:17,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19, 19] total 39 [2024-12-17 22:39:17,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835624605] [2024-12-17 22:39:17,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:39:17,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-12-17 22:39:17,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:39:17,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-12-17 22:39:17,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=1192, Unknown=0, NotChecked=0, Total=1482 [2024-12-17 22:39:17,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:17,707 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:39:17,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.5384615384615383) internal successors, (138), 39 states have internal predecessors, (138), 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 22:39:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:39:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:39:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:39:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-17 22:39:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:39:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:39:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 22:39:17,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:39:33,544 WARN L286 SmtUtils]: Spent 14.89s on a formula simplification. DAG size of input: 65 DAG size of output: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 22:39:47,698 WARN L286 SmtUtils]: Spent 12.49s on a formula simplification. DAG size of input: 57 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 22:39:59,521 WARN L286 SmtUtils]: Spent 9.79s on a formula simplification. DAG size of input: 49 DAG size of output: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 22:40:09,891 WARN L286 SmtUtils]: Spent 7.24s on a formula simplification. DAG size of input: 41 DAG size of output: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 22:40:18,725 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 33 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 22:40:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 22:40:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:40:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:40:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:40:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-17 22:40:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-12-17 22:40:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 22:40:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 22:40:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-17 22:40:34,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-12-17 22:40:34,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-12-17 22:40:34,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-12-17 22:40:34,009 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-12-17 22:40:34,016 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 22:40:34,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:40:34,213 INFO L422 BasicCegarLoop]: Path program histogram: [5, 2, 1] [2024-12-17 22:40:34,215 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-17 22:40:34,215 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-17 22:40:34,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-12-17 22:40:34,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:40:34 BasicIcfg [2024-12-17 22:40:34,224 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-17 22:40:34,225 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-17 22:40:34,225 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-17 22:40:34,225 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-17 22:40:34,226 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:39:03" (3/4) ... [2024-12-17 22:40:34,228 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-17 22:40:34,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-12-17 22:40:34,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-12-17 22:40:34,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-12-17 22:40:34,235 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 87 nodes and edges [2024-12-17 22:40:34,235 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-12-17 22:40:34,235 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-17 22:40:34,235 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-17 22:40:34,279 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-12-17 22:40:34,280 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2024-12-17 22:40:34,280 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-17 22:40:34,280 INFO L158 Benchmark]: Toolchain (without parser) took 91265.61ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 112.8MB in the beginning and 122.3MB in the end (delta: -9.5MB). Peak memory consumption was 116.9MB. Max. memory is 16.1GB. [2024-12-17 22:40:34,281 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 22:40:34,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.60ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 100.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 22:40:34,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.10ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 98.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 22:40:34,281 INFO L158 Benchmark]: Boogie Preprocessor took 30.35ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 97.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 22:40:34,281 INFO L158 Benchmark]: RCFGBuilder took 495.27ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 57.0MB in the end (delta: 40.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-17 22:40:34,282 INFO L158 Benchmark]: TraceAbstraction took 90468.29ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 56.5MB in the beginning and 127.0MB in the end (delta: -70.5MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-12-17 22:40:34,282 INFO L158 Benchmark]: Witness Printer took 55.31ms. Allocated memory is still 268.4MB. Free memory was 127.0MB in the beginning and 122.3MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 22:40:34,283 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.60ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 100.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.10ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 98.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.35ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 97.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.27ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 57.0MB in the end (delta: 40.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 90468.29ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 56.5MB in the beginning and 127.0MB in the end (delta: -70.5MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Witness Printer took 55.31ms. Allocated memory is still 268.4MB. Free memory was 127.0MB in the beginning and 122.3MB in the end (delta: 4.7MB). 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: 53294, independent: 48385, independent conditional: 47727, independent unconditional: 658, dependent: 4909, dependent conditional: 4899, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48432, independent: 48385, independent conditional: 47727, independent unconditional: 658, dependent: 47, dependent conditional: 37, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48432, independent: 48385, independent conditional: 47727, independent unconditional: 658, dependent: 47, dependent conditional: 37, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49072, independent: 48385, independent conditional: 47727, independent unconditional: 658, dependent: 687, dependent conditional: 677, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 49072, independent: 48385, independent conditional: 371, independent unconditional: 48014, dependent: 687, dependent conditional: 45, dependent unconditional: 642, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49072, independent: 48385, independent conditional: 371, independent unconditional: 48014, dependent: 687, dependent conditional: 45, dependent unconditional: 642, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 614, independent: 599, independent conditional: 10, independent unconditional: 589, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 614, independent: 586, independent conditional: 0, independent unconditional: 586, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 13, independent conditional: 10, independent unconditional: 3, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 13, independent conditional: 10, independent unconditional: 3, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 521, independent: 223, independent conditional: 148, independent unconditional: 75, dependent: 298, dependent conditional: 75, dependent unconditional: 223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 4, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 49072, independent: 47786, independent conditional: 361, independent unconditional: 47425, dependent: 672, dependent conditional: 40, dependent unconditional: 632, unknown: 614, unknown conditional: 15, unknown unconditional: 599] , Statistics on independence cache: Total cache size (in pairs): 618, Positive cache size: 603, Positive conditional cache size: 14, Positive unconditional cache size: 589, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 47988, Maximal queried relation: 3, Independence queries for same thread: 4862, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 261, Number of trivial persistent sets: 223, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 668, independent: 658, independent conditional: 0, independent unconditional: 658, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 53294, independent: 48385, independent conditional: 47727, independent unconditional: 658, dependent: 4909, dependent conditional: 4899, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48432, independent: 48385, independent conditional: 47727, independent unconditional: 658, dependent: 47, dependent conditional: 37, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48432, independent: 48385, independent conditional: 47727, independent unconditional: 658, dependent: 47, dependent conditional: 37, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49072, independent: 48385, independent conditional: 47727, independent unconditional: 658, dependent: 687, dependent conditional: 677, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 49072, independent: 48385, independent conditional: 371, independent unconditional: 48014, dependent: 687, dependent conditional: 45, dependent unconditional: 642, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49072, independent: 48385, independent conditional: 371, independent unconditional: 48014, dependent: 687, dependent conditional: 45, dependent unconditional: 642, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 614, independent: 599, independent conditional: 10, independent unconditional: 589, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 614, independent: 586, independent conditional: 0, independent unconditional: 586, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 13, independent conditional: 10, independent unconditional: 3, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 13, independent conditional: 10, independent unconditional: 3, dependent: 15, dependent conditional: 5, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 521, independent: 223, independent conditional: 148, independent unconditional: 75, dependent: 298, dependent conditional: 75, dependent unconditional: 223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 4, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 49072, independent: 47786, independent conditional: 361, independent unconditional: 47425, dependent: 672, dependent conditional: 40, dependent unconditional: 632, unknown: 614, unknown conditional: 15, unknown unconditional: 599] , Statistics on independence cache: Total cache size (in pairs): 618, Positive cache size: 603, Positive conditional cache size: 14, Positive unconditional cache size: 589, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 47988, Maximal queried relation: 3, Independence queries for same thread: 4862 - PositiveResult [Line: 110]: 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 7 procedures, 54 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 90.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 79.3s, 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: 179, 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, 0.6s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 616 NumberOfCodeBlocks, 616 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 877 ConstructedInterpolants, 0 QuantifiedInterpolants, 11593 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1435 ConjunctsInSsa, 156 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 351/816 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: 1, ConComChecker Statistics: CheckTime [ms]: 1541, ConditionCalculationTime [ms]: 97, ConditionCalculations: 8, QuantifiedConditions: 0, TraceChecks: 4, 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 22:40:34,296 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