./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 16:56:56,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 16:56:56,529 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 16:56:56,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 16:56:56,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 16:56:56,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 16:56:56,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 16:56:56,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 16:56:56,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 16:56:56,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 16:56:56,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 16:56:56,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 16:56:56,558 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 16:56:56,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 16:56:56,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 16:56:56,560 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 16:56:56,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 16:56:56,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 16:56:56,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 16:56:56,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 16:56:56,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 16:56:56,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 16:56:56,564 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 16:56:56,564 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 16:56:56,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 16:56:56,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 16:56:56,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 16:56:56,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 16:56:56,565 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 16:56:56,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 16:56:56,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 16:56:56,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 16:56:56,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 16:56:56,566 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 16:56:56,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 16:56:56,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 16:56:56,567 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 16:56:56,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 16:56:56,567 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 16:56:56,567 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 16:56:56,568 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 16:56:56,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-10-18 16:56:56,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 16:56:56,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 16:56:56,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 16:56:56,773 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 16:56:56,773 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 16:56:56,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2024-10-18 16:56:58,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 16:56:58,253 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 16:56:58,254 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2024-10-18 16:56:58,261 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5cad248e6/8b622f50c4d8453e89485ab6514d36b7/FLAG2979e7ce7 [2024-10-18 16:56:58,661 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5cad248e6/8b622f50c4d8453e89485ab6514d36b7 [2024-10-18 16:56:58,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 16:56:58,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 16:56:58,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 16:56:58,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 16:56:58,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 16:56:58,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 04:56:58" (1/1) ... [2024-10-18 16:56:58,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a187e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:56:58, skipping insertion in model container [2024-10-18 16:56:58,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 04:56:58" (1/1) ... [2024-10-18 16:56:58,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 16:56:58,849 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3066,3079] [2024-10-18 16:56:58,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 16:56:58,860 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 16:56:58,882 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3066,3079] [2024-10-18 16:56:58,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 16:56:58,895 INFO L204 MainTranslator]: Completed translation [2024-10-18 16:56:58,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:56:58 WrapperNode [2024-10-18 16:56:58,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 16:56:58,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 16:56:58,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 16:56:58,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 16:56:58,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:56:58" (1/1) ... [2024-10-18 16:56:58,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:56:58" (1/1) ... [2024-10-18 16:56:58,929 INFO L138 Inliner]: procedures = 21, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 135 [2024-10-18 16:56:58,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 16:56:58,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 16:56:58,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 16:56:58,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 16:56:58,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:56:58" (1/1) ... [2024-10-18 16:56:58,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:56:58" (1/1) ... [2024-10-18 16:56:58,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:56:58" (1/1) ... [2024-10-18 16:56:58,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:56:58" (1/1) ... [2024-10-18 16:56:58,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:56:58" (1/1) ... [2024-10-18 16:56:58,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:56:58" (1/1) ... [2024-10-18 16:56:58,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:56:58" (1/1) ... [2024-10-18 16:56:58,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:56:58" (1/1) ... [2024-10-18 16:56:58,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 16:56:58,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 16:56:58,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 16:56:58,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 16:56:58,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:56:58" (1/1) ... [2024-10-18 16:56:58,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 16:56:58,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:56:58,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 16:56:58,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 16:56:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 16:56:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 16:56:59,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 16:56:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 16:56:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 16:56:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 16:56:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 16:56:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 16:56:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 16:56:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 16:56:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 16:56:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 16:56:59,029 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 16:56:59,110 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 16:56:59,112 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 16:56:59,279 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 16:56:59,279 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 16:56:59,431 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 16:56:59,431 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-18 16:56:59,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 04:56:59 BoogieIcfgContainer [2024-10-18 16:56:59,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 16:56:59,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 16:56:59,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 16:56:59,439 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 16:56:59,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 04:56:58" (1/3) ... [2024-10-18 16:56:59,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4215aa59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 04:56:59, skipping insertion in model container [2024-10-18 16:56:59,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:56:58" (2/3) ... [2024-10-18 16:56:59,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4215aa59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 04:56:59, skipping insertion in model container [2024-10-18 16:56:59,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 04:56:59" (3/3) ... [2024-10-18 16:56:59,442 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2024-10-18 16:56:59,458 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 16:56:59,458 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 16:56:59,459 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 16:56:59,506 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-18 16:56:59,545 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 16:56:59,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 16:56:59,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:56:59,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 16:56:59,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 16:56:59,611 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 16:56:59,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:56:59,627 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 16:56:59,633 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;@76df1b19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 16:56:59,634 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 16:57:00,367 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)] === [2024-10-18 16:57:00,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:57:00,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1537040272, now seen corresponding path program 1 times [2024-10-18 16:57:00,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:57:00,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886986663] [2024-10-18 16:57:00,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:57:00,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:57:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:57:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:57:00,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:57:00,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886986663] [2024-10-18 16:57:00,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886986663] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 16:57:00,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 16:57:00,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 16:57:00,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422528891] [2024-10-18 16:57:00,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 16:57:00,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 16:57:00,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:57:00,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 16:57:00,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 16:57:00,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:00,891 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:57:00,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 16:57:00,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:00,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:00,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 16:57:00,988 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)] === [2024-10-18 16:57:00,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:57:00,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1454456136, now seen corresponding path program 1 times [2024-10-18 16:57:00,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:57:00,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276754385] [2024-10-18 16:57:00,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:57:00,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:57:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:57:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:57:01,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:57:01,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276754385] [2024-10-18 16:57:01,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276754385] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 16:57:01,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172331730] [2024-10-18 16:57:01,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:57:01,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:01,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:57:01,296 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 16:57:01,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 16:57:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:57:01,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-18 16:57:01,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 16:57:01,523 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:57:01,525 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 16:57:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:57:01,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172331730] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 16:57:01,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 16:57:01,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-10-18 16:57:01,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523067315] [2024-10-18 16:57:01,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 16:57:01,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-18 16:57:01,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:57:01,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-18 16:57:01,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-10-18 16:57:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:01,744 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:57:01,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.375) internal successors, (86), 16 states have internal predecessors, (86), 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) [2024-10-18 16:57:01,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:01,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:02,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:02,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 16:57:02,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 16:57:02,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-18 16:57:02,912 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)] === [2024-10-18 16:57:02,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:57:02,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1927137208, now seen corresponding path program 1 times [2024-10-18 16:57:02,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:57:02,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801757124] [2024-10-18 16:57:02,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:57:02,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:57:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:57:03,263 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:57:03,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:57:03,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801757124] [2024-10-18 16:57:03,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801757124] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 16:57:03,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760212737] [2024-10-18 16:57:03,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:57:03,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:03,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:57:03,270 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 16:57:03,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 16:57:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:57:03,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-18 16:57:03,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 16:57:03,514 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:57:03,514 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 16:57:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:57:03,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760212737] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 16:57:03,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 16:57:03,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-10-18 16:57:03,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274261857] [2024-10-18 16:57:03,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 16:57:03,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-18 16:57:03,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:57:03,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-18 16:57:03,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-10-18 16:57:03,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:03,713 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:57:03,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.842105263157895) internal successors, (92), 18 states have internal predecessors, (92), 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) [2024-10-18 16:57:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 16:57:03,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:04,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 16:57:04,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 16:57:04,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-18 16:57:04,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:04,931 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)] === [2024-10-18 16:57:04,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:57:04,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1470446108, now seen corresponding path program 1 times [2024-10-18 16:57:04,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:57:04,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137216119] [2024-10-18 16:57:04,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:57:04,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:57:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:57:05,091 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 16:57:05,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:57:05,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137216119] [2024-10-18 16:57:05,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137216119] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 16:57:05,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334751608] [2024-10-18 16:57:05,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:57:05,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:05,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:57:05,095 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 16:57:05,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 16:57:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:57:05,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-18 16:57:05,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 16:57:05,252 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 16:57:05,252 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 16:57:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 16:57:05,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334751608] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 16:57:05,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 16:57:05,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 5 [2024-10-18 16:57:05,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594894387] [2024-10-18 16:57:05,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 16:57:05,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 16:57:05,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:57:05,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 16:57:05,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-18 16:57:05,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:05,437 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:57:05,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 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) [2024-10-18 16:57:05,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:05,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 16:57:05,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 16:57:05,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:05,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:05,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 16:57:05,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 16:57:05,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:05,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-18 16:57:06,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:06,020 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)] === [2024-10-18 16:57:06,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:57:06,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1827111904, now seen corresponding path program 2 times [2024-10-18 16:57:06,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:57:06,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96341522] [2024-10-18 16:57:06,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:57:06,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:57:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:57:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 54 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 16:57:06,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:57:06,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96341522] [2024-10-18 16:57:06,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96341522] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 16:57:06,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380756612] [2024-10-18 16:57:06,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 16:57:06,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:06,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:57:06,509 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 16:57:06,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 16:57:06,575 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 16:57:06,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 16:57:06,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-18 16:57:06,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 16:57:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 19 proven. 63 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 16:57:06,749 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 16:57:06,980 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 46 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 16:57:06,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380756612] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 16:57:06,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 16:57:06,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 25 [2024-10-18 16:57:06,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251577098] [2024-10-18 16:57:06,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 16:57:06,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-18 16:57:06,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:57:07,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-18 16:57:07,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-10-18 16:57:07,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:07,066 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:57:07,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.384615384615385) internal successors, (140), 25 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 16:57:07,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:07,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 16:57:07,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 16:57:07,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:07,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:09,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:09,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 16:57:09,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-18 16:57:09,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:09,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-18 16:57:09,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-18 16:57:09,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:09,480 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)] === [2024-10-18 16:57:09,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:57:09,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1937191484, now seen corresponding path program 2 times [2024-10-18 16:57:09,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:57:09,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623196060] [2024-10-18 16:57:09,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:57:09,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:57:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:57:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 161 proven. 65 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 16:57:09,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:57:09,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623196060] [2024-10-18 16:57:09,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623196060] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 16:57:09,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445237644] [2024-10-18 16:57:09,685 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 16:57:09,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:09,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:57:09,686 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 16:57:09,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 16:57:09,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 16:57:09,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 16:57:09,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-18 16:57:09,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 16:57:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 165 proven. 71 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-18 16:57:09,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 16:57:09,933 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 169 proven. 65 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-18 16:57:09,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445237644] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 16:57:09,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 16:57:09,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 8] total 11 [2024-10-18 16:57:09,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988762418] [2024-10-18 16:57:09,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 16:57:09,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-18 16:57:09,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:57:10,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-18 16:57:10,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=68, Unknown=0, NotChecked=0, Total=132 [2024-10-18 16:57:10,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:10,006 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:57:10,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 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) [2024-10-18 16:57:10,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:10,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 16:57:10,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-18 16:57:10,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:10,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-18 16:57:10,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:11,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:11,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 16:57:11,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-18 16:57:11,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:11,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-18 16:57:11,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 16:57:11,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-18 16:57:11,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:11,257 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)] === [2024-10-18 16:57:11,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:57:11,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1965091792, now seen corresponding path program 3 times [2024-10-18 16:57:11,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:57:11,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229789940] [2024-10-18 16:57:11,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:57:11,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:57:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:57:12,031 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 298 proven. 142 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 16:57:12,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:57:12,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229789940] [2024-10-18 16:57:12,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229789940] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 16:57:12,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064362737] [2024-10-18 16:57:12,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 16:57:12,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:12,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:57:12,035 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 16:57:12,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 16:57:12,134 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-10-18 16:57:12,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 16:57:12,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-18 16:57:12,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 16:57:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 277 proven. 163 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 16:57:12,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 16:57:12,514 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 297 proven. 143 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 16:57:12,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064362737] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 16:57:12,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 16:57:12,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 32 [2024-10-18 16:57:12,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427414413] [2024-10-18 16:57:12,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 16:57:12,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-18 16:57:12,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:57:12,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-18 16:57:12,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=733, Unknown=0, NotChecked=0, Total=1056 [2024-10-18 16:57:12,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:12,591 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:57:12,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.484848484848484) internal successors, (214), 32 states have internal predecessors, (214), 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) [2024-10-18 16:57:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 16:57:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-18 16:57:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-10-18 16:57:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 16:57:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:17,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 16:57:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-18 16:57:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-10-18 16:57:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 16:57:17,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-10-18 16:57:17,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-18 16:57:17,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-18 16:57:17,485 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)] === [2024-10-18 16:57:17,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:57:17,485 INFO L85 PathProgramCache]: Analyzing trace with hash -719084932, now seen corresponding path program 3 times [2024-10-18 16:57:17,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:57:17,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267255834] [2024-10-18 16:57:17,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:57:17,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:57:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:57:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 667 proven. 303 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-10-18 16:57:18,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:57:18,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267255834] [2024-10-18 16:57:18,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267255834] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 16:57:18,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509085838] [2024-10-18 16:57:18,019 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 16:57:18,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:18,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:57:18,021 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 16:57:18,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 16:57:18,087 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-18 16:57:18,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 16:57:18,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-18 16:57:18,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 16:57:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 99 proven. 1 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-10-18 16:57:18,163 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 16:57:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 982 trivial. 0 not checked. [2024-10-18 16:57:18,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509085838] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 16:57:18,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 16:57:18,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 5] total 18 [2024-10-18 16:57:18,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435622354] [2024-10-18 16:57:18,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 16:57:18,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-18 16:57:18,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:57:18,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-18 16:57:18,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-10-18 16:57:18,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:18,286 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:57:18,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.61111111111111) internal successors, (155), 18 states have internal predecessors, (155), 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) [2024-10-18 16:57:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 16:57:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-18 16:57:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-10-18 16:57:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 16:57:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-10-18 16:57:18,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:23,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:23,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 16:57:23,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-18 16:57:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-10-18 16:57:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 16:57:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-10-18 16:57:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 16:57:23,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-18 16:57:23,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:23,660 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)] === [2024-10-18 16:57:23,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:57:23,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1046495104, now seen corresponding path program 4 times [2024-10-18 16:57:23,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:57:23,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614853169] [2024-10-18 16:57:23,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:57:23,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:57:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:57:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 683 proven. 424 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-18 16:57:24,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:57:24,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614853169] [2024-10-18 16:57:24,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614853169] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 16:57:24,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901370422] [2024-10-18 16:57:24,053 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 16:57:24,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:24,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:57:24,056 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 16:57:24,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 16:57:24,147 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 16:57:24,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 16:57:24,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-18 16:57:24,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 16:57:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 723 proven. 436 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-18 16:57:24,295 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 16:57:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 733 proven. 424 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 16:57:24,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901370422] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 16:57:24,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 16:57:24,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17, 16] total 22 [2024-10-18 16:57:24,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121020550] [2024-10-18 16:57:24,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 16:57:24,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-18 16:57:24,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:57:24,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-18 16:57:24,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=258, Unknown=0, NotChecked=0, Total=506 [2024-10-18 16:57:24,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:24,729 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:57:24,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.73913043478261) internal successors, (224), 22 states have internal predecessors, (224), 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) [2024-10-18 16:57:24,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:24,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 16:57:24,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-18 16:57:24,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:24,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-10-18 16:57:24,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 16:57:24,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-10-18 16:57:24,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 16:57:24,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:34,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:34,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-18 16:57:34,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-18 16:57:34,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:34,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-10-18 16:57:34,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 16:57:34,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-10-18 16:57:34,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 16:57:34,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 16:57:34,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-18 16:57:34,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:34,861 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 16:57:34,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:57:34,862 INFO L85 PathProgramCache]: Analyzing trace with hash -858559352, now seen corresponding path program 4 times [2024-10-18 16:57:34,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:57:34,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107486639] [2024-10-18 16:57:34,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:57:34,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:57:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:57:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 1490 proven. 636 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 16:57:36,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:57:36,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107486639] [2024-10-18 16:57:36,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107486639] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 16:57:36,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663378616] [2024-10-18 16:57:36,795 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 16:57:36,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:57:36,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:57:36,796 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 16:57:36,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-18 16:57:36,908 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 16:57:36,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 16:57:36,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-10-18 16:57:36,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 16:57:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 1399 proven. 727 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 16:57:38,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 16:57:39,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 1490 proven. 636 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 16:57:39,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663378616] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 16:57:39,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 16:57:39,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38, 37] total 92 [2024-10-18 16:57:39,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655553609] [2024-10-18 16:57:39,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 16:57:39,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-10-18 16:57:39,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:57:39,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-10-18 16:57:39,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3061, Invalid=5495, Unknown=0, NotChecked=0, Total=8556 [2024-10-18 16:57:39,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:57:39,683 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:57:39,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 5.473118279569892) internal successors, (509), 92 states have internal predecessors, (509), 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) [2024-10-18 16:57:39,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:39,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-10-18 16:57:39,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-18 16:57:39,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 16:57:39,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-10-18 16:57:39,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 16:57:39,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-10-18 16:57:39,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 16:57:39,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 16:57:39,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.