./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity SYMBOLIC_RELATION -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/test-hard1.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 34f393fd72a97393a0a39d407b9330aa7c1c7e210ad76310ea88c9427f882106 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity SYMBOLIC_RELATION -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 [2024-10-17 09:43:34,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 09:43:34,078 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 09:43:34,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 09:43:34,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 09:43:34,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 09:43:34,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 09:43:34,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 09:43:34,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 09:43:34,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 09:43:34,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 09:43:34,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 09:43:34,106 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 09:43:34,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 09:43:34,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 09:43:34,107 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 09:43:34,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 09:43:34,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 09:43:34,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 09:43:34,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 09:43:34,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 09:43:34,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 09:43:34,109 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 09:43:34,109 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 09:43:34,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 09:43:34,109 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 09:43:34,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 09:43:34,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 09:43:34,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 09:43:34,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 09:43:34,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 09:43:34,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 09:43:34,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 09:43:34,113 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 09:43:34,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 09:43:34,113 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 09:43:34,113 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 09:43:34,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 09:43:34,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 09:43:34,114 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 09:43:34,114 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 09:43:34,114 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 -> 34f393fd72a97393a0a39d407b9330aa7c1c7e210ad76310ea88c9427f882106 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 -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-17 09:43:34,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 09:43:34,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 09:43:34,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 09:43:34,333 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 09:43:34,333 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 09:43:34,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-10-17 09:43:35,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 09:43:35,675 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 09:43:35,675 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-10-17 09:43:35,686 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9b292dc55/cc00a8240842400c97141b7bb2c1154f/FLAG3357ede47 [2024-10-17 09:43:36,079 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9b292dc55/cc00a8240842400c97141b7bb2c1154f [2024-10-17 09:43:36,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 09:43:36,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 09:43:36,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 09:43:36,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 09:43:36,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 09:43:36,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 09:43:36" (1/1) ... [2024-10-17 09:43:36,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eebb818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:36, skipping insertion in model container [2024-10-17 09:43:36,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 09:43:36" (1/1) ... [2024-10-17 09:43:36,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 09:43:36,263 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/test-hard1.wvr.c[3425,3438] [2024-10-17 09:43:36,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 09:43:36,273 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 09:43:36,288 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/test-hard1.wvr.c[3425,3438] [2024-10-17 09:43:36,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 09:43:36,301 INFO L204 MainTranslator]: Completed translation [2024-10-17 09:43:36,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:36 WrapperNode [2024-10-17 09:43:36,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 09:43:36,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 09:43:36,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 09:43:36,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 09:43:36,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:36" (1/1) ... [2024-10-17 09:43:36,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:36" (1/1) ... [2024-10-17 09:43:36,328 INFO L138 Inliner]: procedures = 23, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-10-17 09:43:36,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 09:43:36,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 09:43:36,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 09:43:36,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 09:43:36,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:36" (1/1) ... [2024-10-17 09:43:36,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:36" (1/1) ... [2024-10-17 09:43:36,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:36" (1/1) ... [2024-10-17 09:43:36,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:36" (1/1) ... [2024-10-17 09:43:36,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:36" (1/1) ... [2024-10-17 09:43:36,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:36" (1/1) ... [2024-10-17 09:43:36,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:36" (1/1) ... [2024-10-17 09:43:36,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:36" (1/1) ... [2024-10-17 09:43:36,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 09:43:36,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 09:43:36,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 09:43:36,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 09:43:36,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:36" (1/1) ... [2024-10-17 09:43:36,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 09:43:36,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:43:36,388 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) [2024-10-17 09:43:36,390 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 [2024-10-17 09:43:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 09:43:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-17 09:43:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-17 09:43:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-17 09:43:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-17 09:43:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-17 09:43:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-17 09:43:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-17 09:43:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-17 09:43:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 09:43:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 09:43:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 09:43:36,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 09:43:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 09:43:36,424 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 09:43:36,495 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 09:43:36,496 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 09:43:36,664 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 09:43:36,664 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 09:43:36,836 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 09:43:36,837 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-17 09:43:36,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 09:43:36 BoogieIcfgContainer [2024-10-17 09:43:36,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 09:43:36,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 09:43:36,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 09:43:36,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 09:43:36,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 09:43:36" (1/3) ... [2024-10-17 09:43:36,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcb43d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 09:43:36, skipping insertion in model container [2024-10-17 09:43:36,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:36" (2/3) ... [2024-10-17 09:43:36,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcb43d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 09:43:36, skipping insertion in model container [2024-10-17 09:43:36,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 09:43:36" (3/3) ... [2024-10-17 09:43:36,844 INFO L112 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2024-10-17 09:43:36,856 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 09:43:36,856 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 09:43:36,856 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 09:43:36,903 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-17 09:43:36,947 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 09:43:36,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 09:43:36,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:43:36,949 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) [2024-10-17 09:43:36,951 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 [2024-10-17 09:43:37,031 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 09:43:37,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:43:37,051 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 09:43:37,056 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;@7a757969, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 09:43:37,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-17 09:43:38,731 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 2 more)] === [2024-10-17 09:43:38,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1319336199, now seen corresponding path program 1 times [2024-10-17 09:43:38,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:38,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:39,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:43:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:39,290 INFO L85 PathProgramCache]: Analyzing trace with hash 564378248, now seen corresponding path program 1 times [2024-10-17 09:43:39,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:39,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:40,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:40,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:41,235 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:41,401 INFO L85 PathProgramCache]: Analyzing trace with hash -650195833, now seen corresponding path program 1 times [2024-10-17 09:43:41,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:41,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:41,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:43:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:41,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1928252781, now seen corresponding path program 1 times [2024-10-17 09:43:41,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:41,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 09:43:41,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:41,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 09:43:42,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1526022213, now seen corresponding path program 1 times [2024-10-17 09:43:42,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:42,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:42,416 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 09:43:42,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:42,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 09:43:42,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:43:42,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1752138499, now seen corresponding path program 1 times [2024-10-17 09:43:42,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:43:42,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186789391] [2024-10-17 09:43:42,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:42,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-17 09:43:42,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:43:42,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186789391] [2024-10-17 09:43:42,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186789391] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:43:42,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:43:42,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-17 09:43:42,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328497336] [2024-10-17 09:43:42,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:43:42,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 09:43:42,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:43:42,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 09:43:42,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-17 09:43:42,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:43:42,899 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:43:42,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2024-10-17 09:43:42,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:43:43,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:43:43,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable0 [2024-10-17 09:43:43,263 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 2 more)] === [2024-10-17 09:43:43,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1765656788, now seen corresponding path program 1 times [2024-10-17 09:43:43,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:43,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:43,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:43:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:43,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1738458445, now seen corresponding path program 1 times [2024-10-17 09:43:43,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:43,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:45,907 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:45,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:45,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:47,606 INFO L85 PathProgramCache]: Analyzing trace with hash 2103179393, now seen corresponding path program 1 times [2024-10-17 09:43:47,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:47,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 2 proven. 57 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 09:43:50,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:50,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:51,695 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 2 proven. 57 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 09:43:51,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:43:51,695 INFO L85 PathProgramCache]: Analyzing trace with hash -506789776, now seen corresponding path program 2 times [2024-10-17 09:43:51,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:43:51,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777094419] [2024-10-17 09:43:51,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:51,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 111 proven. 94 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-17 09:43:53,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:43:53,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777094419] [2024-10-17 09:43:53,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777094419] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:43:53,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055538383] [2024-10-17 09:43:53,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 09:43:53,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:43:53,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:43:53,133 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) [2024-10-17 09:43:53,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-17 09:43:53,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 09:43:53,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:43:53,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-17 09:43:53,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:43:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-10-17 09:43:53,307 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:43:53,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055538383] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:43:53,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 09:43:53,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [18] total 22 [2024-10-17 09:43:53,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796266669] [2024-10-17 09:43:53,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:43:53,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 09:43:53,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:43:53,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 09:43:53,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2024-10-17 09:43:53,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:43:53,311 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:43:53,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:43:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:43:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:43:53,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:43:53,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:43:53,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-17 09:43:53,863 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,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-10-17 09:43:53,865 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 2 more)] === [2024-10-17 09:43:54,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1765656807, now seen corresponding path program 1 times [2024-10-17 09:43:54,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:54,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:54,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:43:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:54,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1738458424, now seen corresponding path program 1 times [2024-10-17 09:43:54,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:54,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:55,454 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:55,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:55,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:56,515 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:56,693 INFO L85 PathProgramCache]: Analyzing trace with hash 2103179414, now seen corresponding path program 1 times [2024-10-17 09:43:56,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:56,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 11 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:58,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:58,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:59,899 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 11 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:59,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:43:59,899 INFO L85 PathProgramCache]: Analyzing trace with hash 564381910, now seen corresponding path program 3 times [2024-10-17 09:43:59,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:43:59,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462858248] [2024-10-17 09:43:59,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:59,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:00,190 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-10-17 09:44:00,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:44:00,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462858248] [2024-10-17 09:44:00,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462858248] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:44:00,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893454760] [2024-10-17 09:44:00,191 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 09:44:00,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:44:00,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:44:00,194 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) [2024-10-17 09:44:00,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-17 09:44:00,272 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-10-17 09:44:00,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:44:00,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-17 09:44:00,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:44:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-10-17 09:44:00,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:44:00,441 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-10-17 09:44:00,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893454760] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:44:00,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:44:00,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-17 09:44:00,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052487821] [2024-10-17 09:44:00,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:44:00,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-17 09:44:00,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:44:00,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-17 09:44:00,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-17 09:44:00,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:44:00,446 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:44:00,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 13 states have internal predecessors, (80), 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) [2024-10-17 09:44:00,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:44:00,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:44:00,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:44:01,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:44:01,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:44:01,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:44:01,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-17 09:44:01,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-17 09:44:01,364 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 2 more)] === [2024-10-17 09:44:01,523 INFO L85 PathProgramCache]: Analyzing trace with hash 2057164616, now seen corresponding path program 1 times [2024-10-17 09:44:01,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:01,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:01,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:44:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:01,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1012446685, now seen corresponding path program 1 times [2024-10-17 09:44:01,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:01,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:01,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:44:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:01,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1243371713, now seen corresponding path program 1 times [2024-10-17 09:44:01,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:01,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:01,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:44:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:02,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1493601723, now seen corresponding path program 1 times [2024-10-17 09:44:02,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:02,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:02,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:44:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:02,398 INFO L85 PathProgramCache]: Analyzing trace with hash 148797732, now seen corresponding path program 1 times [2024-10-17 09:44:02,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:02,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-17 09:44:02,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:02,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:02,911 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-17 09:44:03,072 INFO L85 PathProgramCache]: Analyzing trace with hash -356756123, now seen corresponding path program 1 times [2024-10-17 09:44:03,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:03,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:03,249 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-10-17 09:44:03,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:03,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:03,429 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-10-17 09:44:03,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1946192267, now seen corresponding path program 1 times [2024-10-17 09:44:03,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:03,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:03,771 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-10-17 09:44:03,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:03,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-10-17 09:44:04,253 INFO L85 PathProgramCache]: Analyzing trace with hash 999052859, now seen corresponding path program 1 times [2024-10-17 09:44:04,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:04,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:04,450 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-10-17 09:44:04,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:04,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-10-17 09:44:04,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:44:04,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1323657417, now seen corresponding path program 4 times [2024-10-17 09:44:04,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:44:04,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336619328] [2024-10-17 09:44:04,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:04,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:08,399 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 438 proven. 298 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-17 09:44:08,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:44:08,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336619328] [2024-10-17 09:44:08,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336619328] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:44:08,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308681506] [2024-10-17 09:44:08,401 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 09:44:08,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:44:08,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:44:08,402 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) [2024-10-17 09:44:08,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-17 09:44:08,490 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 09:44:08,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:44:08,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-17 09:44:08,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:44:08,563 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-10-17 09:44:08,563 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 09:44:08,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308681506] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:44:08,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 09:44:08,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [24] total 28 [2024-10-17 09:44:08,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238773440] [2024-10-17 09:44:08,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:44:08,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 09:44:08,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:44:08,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 09:44:08,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2024-10-17 09:44:08,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:44:08,565 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:44:08,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-10-17 09:44:08,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:44:08,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:44:08,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:44:08,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:44:08,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:44:08,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:44:08,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:44:08,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:44:08,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-17 09:44:09,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable29,SelfDestructingSolverStorable21,SelfDestructingSolverStorable32,SelfDestructingSolverStorable22,SelfDestructingSolverStorable33,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-17 09:44:09,093 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 2 more)] === [2024-10-17 09:44:09,232 INFO L85 PathProgramCache]: Analyzing trace with hash 2057164676, now seen corresponding path program 1 times [2024-10-17 09:44:09,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:09,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:09,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:44:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:09,403 INFO L85 PathProgramCache]: Analyzing trace with hash -749118877, now seen corresponding path program 1 times [2024-10-17 09:44:09,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:09,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:09,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:44:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:09,619 INFO L85 PathProgramCache]: Analyzing trace with hash -396186329, now seen corresponding path program 1 times [2024-10-17 09:44:09,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:09,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:09,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:44:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:09,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1197215528, now seen corresponding path program 1 times [2024-10-17 09:44:09,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:09,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:09,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:44:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:10,190 INFO L85 PathProgramCache]: Analyzing trace with hash 368112001, now seen corresponding path program 1 times [2024-10-17 09:44:10,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:10,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:10,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:44:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:10,518 INFO L85 PathProgramCache]: Analyzing trace with hash -595742086, now seen corresponding path program 1 times [2024-10-17 09:44:10,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:10,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:10,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:44:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:10,880 INFO L85 PathProgramCache]: Analyzing trace with hash -955122948, now seen corresponding path program 1 times [2024-10-17 09:44:10,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:10,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:10,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:44:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:11,237 INFO L85 PathProgramCache]: Analyzing trace with hash 83246446, now seen corresponding path program 1 times [2024-10-17 09:44:11,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:11,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:11,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:44:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:44:11,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1650496911, now seen corresponding path program 1 times [2024-10-17 09:44:11,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:11,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 131 proven. 420 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 09:44:22,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:22,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 131 proven. 420 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 09:44:31,806 INFO L85 PathProgramCache]: Analyzing trace with hash 25583026, now seen corresponding path program 1 times [2024-10-17 09:44:31,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:31,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-10-17 09:44:32,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:32,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:32,818 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-10-17 09:44:32,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1702001794, now seen corresponding path program 1 times [2024-10-17 09:44:32,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:32,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 35 proven. 537 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-17 09:44:46,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:46,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:44:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 35 proven. 537 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-17 09:44:57,566 INFO L85 PathProgramCache]: Analyzing trace with hash -2146642814, now seen corresponding path program 1 times [2024-10-17 09:44:57,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:44:57,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:44:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:45:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 28 proven. 532 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-17 09:45:10,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:45:10,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:45:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:45:21,317 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 28 proven. 532 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-17 09:45:21,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:45:21,317 INFO L85 PathProgramCache]: Analyzing trace with hash 589879332, now seen corresponding path program 5 times [2024-10-17 09:45:21,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:45:21,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84933111] [2024-10-17 09:45:21,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:45:21,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:45:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:45:21,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 967 proven. 4 refuted. 0 times theorem prover too weak. 1591 trivial. 0 not checked. [2024-10-17 09:45:21,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:45:21,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84933111] [2024-10-17 09:45:21,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84933111] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:45:21,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407105343] [2024-10-17 09:45:21,822 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 09:45:21,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:45:21,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:45:21,824 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) [2024-10-17 09:45:21,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-17 09:45:22,024 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-10-17 09:45:22,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:45:22,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-17 09:45:22,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:45:22,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 986 proven. 82 refuted. 0 times theorem prover too weak. 1494 trivial. 0 not checked. [2024-10-17 09:45:22,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:45:22,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 967 proven. 4 refuted. 0 times theorem prover too weak. 1591 trivial. 0 not checked. [2024-10-17 09:45:22,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407105343] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:45:22,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:45:22,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 14 [2024-10-17 09:45:22,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15381556] [2024-10-17 09:45:22,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:45:22,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-17 09:45:22,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:45:22,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-17 09:45:22,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-17 09:45:22,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:45:22,211 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:45:22,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 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) [2024-10-17 09:45:22,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:45:22,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:45:22,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:45:22,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:45:22,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:45:22,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:45:22,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:45:22,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:45:22,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:45:22,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 09:45:22,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-17 09:45:23,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50,SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable34,SelfDestructingSolverStorable45,SelfDestructingSolverStorable35,SelfDestructingSolverStorable46,SelfDestructingSolverStorable36,SelfDestructingSolverStorable47,SelfDestructingSolverStorable37,SelfDestructingSolverStorable48,SelfDestructingSolverStorable38,SelfDestructingSolverStorable49,SelfDestructingSolverStorable39 [2024-10-17 09:45:23,008 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 09:45:23,133 INFO L85 PathProgramCache]: Analyzing trace with hash 2057164772, now seen corresponding path program 1 times [2024-10-17 09:45:23,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:45:23,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:45:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:23,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:45:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:23,304 INFO L85 PathProgramCache]: Analyzing trace with hash -749118781, now seen corresponding path program 1 times [2024-10-17 09:45:23,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:45:23,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:45:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:23,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:45:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:23,487 INFO L85 PathProgramCache]: Analyzing trace with hash -396186233, now seen corresponding path program 1 times [2024-10-17 09:45:23,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:45:23,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:45:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:23,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:45:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:23,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1197215432, now seen corresponding path program 1 times [2024-10-17 09:45:23,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:45:23,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:45:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:23,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:45:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:23,995 INFO L85 PathProgramCache]: Analyzing trace with hash 368112097, now seen corresponding path program 1 times [2024-10-17 09:45:23,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:45:23,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:45:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:24,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:45:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:24,267 INFO L85 PathProgramCache]: Analyzing trace with hash -595741990, now seen corresponding path program 1 times [2024-10-17 09:45:24,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:45:24,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:45:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:24,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:45:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:24,618 INFO L85 PathProgramCache]: Analyzing trace with hash -955122852, now seen corresponding path program 1 times [2024-10-17 09:45:24,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:45:24,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:45:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:24,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:45:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:24,943 INFO L85 PathProgramCache]: Analyzing trace with hash 83246542, now seen corresponding path program 1 times [2024-10-17 09:45:24,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:45:24,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:45:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:25,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:45:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:45:25,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1650496815, now seen corresponding path program 1 times [2024-10-17 09:45:25,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:45:25,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:45:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:45:33,952 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 131 proven. 420 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 09:45:33,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:45:33,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:45:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:45:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 131 proven. 420 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 09:45:42,941 INFO L85 PathProgramCache]: Analyzing trace with hash 2054584237, now seen corresponding path program 1 times [2024-10-17 09:45:42,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:45:42,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:45:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:45:56,901 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 46 proven. 502 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-17 09:45:56,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:45:56,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:45:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:46:08,877 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 46 proven. 502 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-17 09:46:08,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:46:08,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1596812803, now seen corresponding path program 6 times [2024-10-17 09:46:08,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:46:08,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580836667] [2024-10-17 09:46:08,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:46:08,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:46:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:46:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 319 proven. 1653 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-17 09:46:21,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:46:21,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580836667] [2024-10-17 09:46:21,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580836667] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:46:21,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353877016] [2024-10-17 09:46:21,354 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 09:46:21,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:46:21,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:46:21,356 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) [2024-10-17 09:46:21,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-17 09:46:21,674 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2024-10-17 09:46:21,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:46:21,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 110 conjuncts are in the unsatisfiable core [2024-10-17 09:46:21,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:46:47,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 227 proven. 1735 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-17 09:46:47,791 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:46:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 234 proven. 1757 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-17 09:46:55,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353877016] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:46:55,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:46:55,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 70, 95] total 241 [2024-10-17 09:46:55,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788019465] [2024-10-17 09:46:55,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:46:55,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 242 states [2024-10-17 09:46:55,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:46:55,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 242 interpolants. [2024-10-17 09:46:55,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12422, Invalid=45900, Unknown=0, NotChecked=0, Total=58322 [2024-10-17 09:46:55,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:46:55,309 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:46:55,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 242 states, 242 states have (on average 2.731404958677686) internal successors, (661), 241 states have internal predecessors, (661), 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) [2024-10-17 09:46:55,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:46:55,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:46:55,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:46:55,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:46:55,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 09:46:55,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:48:10,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:48:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:48:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:48:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:48:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 09:48:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 446 states. [2024-10-17 09:48:10,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-17 09:48:10,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable51,SelfDestructingSolverStorable62,SelfDestructingSolverStorable52,SelfDestructingSolverStorable63,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2024-10-17 09:48:10,613 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 2 more)] === [2024-10-17 09:48:10,791 INFO L85 PathProgramCache]: Analyzing trace with hash 916806714, now seen corresponding path program 1 times [2024-10-17 09:48:10,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:48:10,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:48:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:48:10,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:48:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:48:10,961 INFO L85 PathProgramCache]: Analyzing trace with hash 740751772, now seen corresponding path program 1 times [2024-10-17 09:48:10,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:48:10,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:48:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:48:11,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 306 proven. 3 refuted. 0 times theorem prover too weak. 1083 trivial. 0 not checked. [2024-10-17 09:48:11,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:48:11,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:48:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:48:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 306 proven. 3 refuted. 0 times theorem prover too weak. 1083 trivial. 0 not checked. [2024-10-17 09:48:12,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:48:12,159 INFO L85 PathProgramCache]: Analyzing trace with hash 29873356, now seen corresponding path program 7 times [2024-10-17 09:48:12,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:48:12,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680782620] [2024-10-17 09:48:12,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:48:12,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:48:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:48:12,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 973 proven. 1 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2024-10-17 09:48:12,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:48:12,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680782620] [2024-10-17 09:48:12,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680782620] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:48:12,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738091812] [2024-10-17 09:48:12,626 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-17 09:48:12,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:48:12,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:48:12,627 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) [2024-10-17 09:48:12,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-17 09:48:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:48:12,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-17 09:48:12,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:48:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 973 proven. 1 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2024-10-17 09:48:12,804 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:48:13,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 907 proven. 394 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2024-10-17 09:48:13,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738091812] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:48:13,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:48:13,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 23] total 30 [2024-10-17 09:48:13,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462859633] [2024-10-17 09:48:13,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:48:13,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-17 09:48:13,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:48:13,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-17 09:48:13,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2024-10-17 09:48:13,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:48:13,298 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:48:13,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.833333333333333) internal successors, (145), 30 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:48:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:48:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:48:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:48:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:48:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 09:48:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 446 states. [2024-10-17 09:48:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:48:14,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:48:14,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:48:14,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:48:14,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:48:14,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-17 09:48:14,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2024-10-17 09:48:14,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 09:48:14,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-17 09:48:15,179 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,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67 [2024-10-17 09:48:15,180 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 2 more)] === [2024-10-17 09:48:15,353 INFO L85 PathProgramCache]: Analyzing trace with hash 916806750, now seen corresponding path program 1 times [2024-10-17 09:48:15,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:48:15,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:48:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:48:15,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:48:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:48:15,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1814554795, now seen corresponding path program 1 times [2024-10-17 09:48:15,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:48:15,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:48:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:48:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 123 proven. 772 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-17 09:48:21,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:48:21,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:48:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:48:26,203 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 123 proven. 772 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-17 09:48:26,383 INFO L85 PathProgramCache]: Analyzing trace with hash -2049167083, now seen corresponding path program 1 times [2024-10-17 09:48:26,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:48:26,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:48:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:48:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 138 proven. 814 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 09:48:35,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:48:35,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:48:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:48:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 138 proven. 814 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 09:48:41,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:48:41,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1221599718, now seen corresponding path program 8 times [2024-10-17 09:48:41,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:48:41,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780916979] [2024-10-17 09:48:41,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:48:41,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:48:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:48:48,372 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 308 proven. 611 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-10-17 09:48:48,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:48:48,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780916979] [2024-10-17 09:48:48,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780916979] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 09:48:48,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231479852] [2024-10-17 09:48:48,373 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 09:48:48,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 09:48:48,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:48:48,374 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) [2024-10-17 09:48:48,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-17 09:48:48,497 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 09:48:48,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 09:48:48,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-10-17 09:48:48,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 09:48:58,329 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 230 proven. 684 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-10-17 09:48:58,330 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 09:55:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 0 proven. 984 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:55:03,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231479852] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 09:55:03,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 09:55:03,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 42, 66] total 164 [2024-10-17 09:55:03,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24226286] [2024-10-17 09:55:03,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 09:55:03,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2024-10-17 09:55:03,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:55:03,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2024-10-17 09:55:03,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4887, Invalid=22164, Unknown=9, NotChecked=0, Total=27060 [2024-10-17 09:55:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:55:03,989 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:55:03,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 2.7696969696969695) internal successors, (457), 164 states have internal predecessors, (457), 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) [2024-10-17 09:55:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:55:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:55:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:55:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 09:55:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-17 09:55:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 450 states. [2024-10-17 09:55:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 09:55:03,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:56:25,031 WARN L286 SmtUtils]: Spent 54.07s on a formula simplification. DAG size of input: 305 DAG size of output: 167 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Killed by 15