./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.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 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-17 16:28:22,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 16:28:22,205 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 16:28:22,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 16:28:22,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 16:28:22,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 16:28:22,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 16:28:22,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 16:28:22,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 16:28:22,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 16:28:22,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 16:28:22,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 16:28:22,226 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 16:28:22,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 16:28:22,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 16:28:22,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 16:28:22,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 16:28:22,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 16:28:22,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 16:28:22,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 16:28:22,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 16:28:22,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 16:28:22,231 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 16:28:22,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 16:28:22,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 16:28:22,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 16:28:22,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 16:28:22,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 16:28:22,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 16:28:22,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 16:28:22,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 16:28:22,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 16:28:22,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 16:28:22,232 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 16:28:22,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 16:28:22,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 16:28:22,233 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 16:28:22,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 16:28:22,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 16:28:22,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 16:28:22,233 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 16:28:22,235 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-10-17 16:28:22,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 16:28:22,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 16:28:22,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 16:28:22,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 16:28:22,450 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 16:28:22,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2024-10-17 16:28:23,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 16:28:23,749 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 16:28:23,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2024-10-17 16:28:23,755 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c43448589/56eafc5c1bf74779a3bab4010684b3f1/FLAGf058dfdea [2024-10-17 16:28:24,164 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c43448589/56eafc5c1bf74779a3bab4010684b3f1 [2024-10-17 16:28:24,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 16:28:24,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 16:28:24,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 16:28:24,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 16:28:24,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 16:28:24,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:28:24" (1/1) ... [2024-10-17 16:28:24,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b47e495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:24, skipping insertion in model container [2024-10-17 16:28:24,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:28:24" (1/1) ... [2024-10-17 16:28:24,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 16:28:24,354 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/popl20-queue-add-2.wvr.c[2722,2735] [2024-10-17 16:28:24,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 16:28:24,376 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 16:28:24,393 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/popl20-queue-add-2.wvr.c[2722,2735] [2024-10-17 16:28:24,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 16:28:24,408 INFO L204 MainTranslator]: Completed translation [2024-10-17 16:28:24,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:24 WrapperNode [2024-10-17 16:28:24,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 16:28:24,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 16:28:24,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 16:28:24,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 16:28:24,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:24" (1/1) ... [2024-10-17 16:28:24,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:24" (1/1) ... [2024-10-17 16:28:24,438 INFO L138 Inliner]: procedures = 23, calls = 29, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 149 [2024-10-17 16:28:24,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 16:28:24,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 16:28:24,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 16:28:24,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 16:28:24,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:24" (1/1) ... [2024-10-17 16:28:24,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:24" (1/1) ... [2024-10-17 16:28:24,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:24" (1/1) ... [2024-10-17 16:28:24,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:24" (1/1) ... [2024-10-17 16:28:24,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:24" (1/1) ... [2024-10-17 16:28:24,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:24" (1/1) ... [2024-10-17 16:28:24,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:24" (1/1) ... [2024-10-17 16:28:24,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:24" (1/1) ... [2024-10-17 16:28:24,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 16:28:24,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 16:28:24,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 16:28:24,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 16:28:24,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:24" (1/1) ... [2024-10-17 16:28:24,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 16:28:24,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:28:24,486 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 16:28:24,489 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 16:28:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 16:28:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-17 16:28:24,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-17 16:28:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-17 16:28:24,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-17 16:28:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 16:28:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-17 16:28:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 16:28:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 16:28:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-17 16:28:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 16:28:24,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 16:28:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-17 16:28:24,525 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 16:28:24,601 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 16:28:24,602 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 16:28:24,756 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 16:28:24,756 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 16:28:24,917 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 16:28:24,917 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-17 16:28:24,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:28:24 BoogieIcfgContainer [2024-10-17 16:28:24,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 16:28:24,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 16:28:24,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 16:28:24,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 16:28:24,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 04:28:24" (1/3) ... [2024-10-17 16:28:24,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f09d10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 04:28:24, skipping insertion in model container [2024-10-17 16:28:24,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:24" (2/3) ... [2024-10-17 16:28:24,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f09d10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 04:28:24, skipping insertion in model container [2024-10-17 16:28:24,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:28:24" (3/3) ... [2024-10-17 16:28:24,927 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-2.wvr.c [2024-10-17 16:28:24,938 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 16:28:24,939 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 16:28:24,939 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 16:28:24,968 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-17 16:28:25,001 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 16:28:25,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 16:28:25,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:28:25,003 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 16:28:25,004 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 16:28:25,072 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 16:28:25,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:28:25,093 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 16:28:25,099 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;@461e188c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 16:28:25,099 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-17 16:28:25,496 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:28:25,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:28:25,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1104584981, now seen corresponding path program 1 times [2024-10-17 16:28:25,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:28:25,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435776206] [2024-10-17 16:28:25,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:28:25,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:28:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:28:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:28:25,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:28:25,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435776206] [2024-10-17 16:28:25,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435776206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 16:28:25,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 16:28:25,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 16:28:25,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052224489] [2024-10-17 16:28:25,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 16:28:25,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 16:28:25,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 16:28:25,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 16:28:25,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 16:28:25,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:28:25,879 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:28:25,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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 16:28:25,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:28:25,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:28:25,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 16:28:25,927 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:28:25,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:28:25,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1503266695, now seen corresponding path program 1 times [2024-10-17 16:28:25,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:28:25,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759890021] [2024-10-17 16:28:25,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:28:25,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:28:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:28:26,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:28:26,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:28:26,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759890021] [2024-10-17 16:28:26,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759890021] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 16:28:26,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377593450] [2024-10-17 16:28:26,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:28:26,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:28:26,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:28:26,096 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 16:28:26,097 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 16:28:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:28:26,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-17 16:28:26,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 16:28:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:28:26,265 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 16:28:26,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:28:26,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377593450] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 16:28:26,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 16:28:26,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-17 16:28:26,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627314800] [2024-10-17 16:28:26,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 16:28:26,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-17 16:28:26,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 16:28:26,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-17 16:28:26,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-17 16:28:26,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:28:26,350 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:28:26,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 11 states have internal predecessors, (48), 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 16:28:26,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:28:26,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:28:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:28:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:28:26,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-17 16:28:26,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-17 16:28:26,657 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:28:26,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:28:26,658 INFO L85 PathProgramCache]: Analyzing trace with hash -977497941, now seen corresponding path program 2 times [2024-10-17 16:28:26,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:28:26,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549067565] [2024-10-17 16:28:26,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:28:26,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:28:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:28:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:28:27,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:28:27,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549067565] [2024-10-17 16:28:27,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549067565] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 16:28:27,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775405097] [2024-10-17 16:28:27,050 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 16:28:27,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:28:27,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:28:27,052 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 16:28:27,053 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 16:28:27,121 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 16:28:27,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 16:28:27,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-17 16:28:27,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 16:28:27,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-10-17 16:28:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:28:27,287 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 16:28:27,402 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-17 16:28:27,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-10-17 16:28:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:28:27,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775405097] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 16:28:27,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 16:28:27,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 21 [2024-10-17 16:28:27,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129619726] [2024-10-17 16:28:27,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 16:28:27,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-17 16:28:27,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 16:28:27,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-17 16:28:27,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2024-10-17 16:28:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:28:27,580 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:28:27,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 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 16:28:27,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:28:27,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:28:27,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:28:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:28:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:28:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:28:27,885 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 16:28:28,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:28:28,074 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:28:28,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:28:28,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1220218115, now seen corresponding path program 1 times [2024-10-17 16:28:28,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:28:28,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303953025] [2024-10-17 16:28:28,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:28:28,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:28:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:28:28,948 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:28:28,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:28:28,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303953025] [2024-10-17 16:28:28,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303953025] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 16:28:28,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309194144] [2024-10-17 16:28:28,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:28:28,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:28:28,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:28:28,950 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 16:28:28,951 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 16:28:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:28:29,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-17 16:28:29,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 16:28:29,162 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 16:28:29,162 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 16:28:29,207 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-17 16:28:29,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-10-17 16:28:29,231 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-17 16:28:29,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309194144] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 16:28:29,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 16:28:29,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 5] total 20 [2024-10-17 16:28:29,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963166895] [2024-10-17 16:28:29,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 16:28:29,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-17 16:28:29,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 16:28:29,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-17 16:28:29,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2024-10-17 16:28:29,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:28:29,234 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:28:29,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 20 states have internal predecessors, (67), 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 16:28:29,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:28:29,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:28:29,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:28:29,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:28:29,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:28:29,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:28:29,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:28:29,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:28:29,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-17 16:28:29,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:28:29,997 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:28:30,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-10-17 16:28:30,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1589878772, now seen corresponding path program 1 times [2024-10-17 16:28:30,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:28:30,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:28:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:28:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-17 16:28:30,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:28:30,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:28:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:28:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-17 16:28:30,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 16:28:30,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 16:28:30,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-17 16:28:30,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:28:30,315 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:28:30,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 16:28:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:28:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:28:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:28:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:28:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:28:30,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:28:30,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:28:30,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:28:30,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:28:30,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:28:30,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2024-10-17 16:28:30,623 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:28:30,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:28:30,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1992730743, now seen corresponding path program 2 times [2024-10-17 16:28:30,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:28:30,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015014325] [2024-10-17 16:28:30,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:28:30,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:28:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:28:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:28:32,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:28:32,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015014325] [2024-10-17 16:28:32,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015014325] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 16:28:32,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535600944] [2024-10-17 16:28:32,225 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 16:28:32,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:28:32,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:28:32,226 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 16:28:32,227 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 16:28:32,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 16:28:32,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 16:28:32,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-10-17 16:28:32,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 16:28:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 16:28:32,909 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 16:28:33,346 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 16:28:33,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 53 [2024-10-17 16:28:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-17 16:28:33,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535600944] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 16:28:33,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 16:28:33,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 18, 14] total 52 [2024-10-17 16:28:33,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166127389] [2024-10-17 16:28:33,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 16:28:33,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-10-17 16:28:33,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 16:28:33,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-10-17 16:28:33,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=2578, Unknown=0, NotChecked=0, Total=2756 [2024-10-17 16:28:33,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:28:33,443 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:28:33,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 1.9811320754716981) internal successors, (105), 52 states have internal predecessors, (105), 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 16:28:33,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:28:33,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:28:33,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:28:33,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:28:33,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:28:33,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:28:35,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:28:35,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:28:35,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:28:35,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:28:35,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:28:35,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:28:35,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-17 16:28:35,569 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,SelfDestructingSolverStorable6 [2024-10-17 16:28:35,570 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:28:35,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:28:35,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1887964923, now seen corresponding path program 3 times [2024-10-17 16:28:35,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:28:35,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007014631] [2024-10-17 16:28:35,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:28:35,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:28:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:28:38,114 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 6 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:28:38,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:28:38,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007014631] [2024-10-17 16:28:38,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007014631] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 16:28:38,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402135088] [2024-10-17 16:28:38,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 16:28:38,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:28:38,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:28:38,117 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 16:28:38,119 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 16:28:38,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-17 16:28:38,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 16:28:38,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-10-17 16:28:38,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 16:28:38,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-17 16:28:39,473 INFO L349 Elim1Store]: treesize reduction 50, result has 35.1 percent of original size [2024-10-17 16:28:39,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 75 treesize of output 47 [2024-10-17 16:28:39,812 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:28:39,813 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 16:29:10,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 134 [2024-10-17 16:29:10,835 INFO L349 Elim1Store]: treesize reduction 56, result has 70.4 percent of original size [2024-10-17 16:29:10,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 919 treesize of output 809 [2024-10-17 16:29:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-17 16:29:13,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402135088] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 16:29:13,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 16:29:13,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 30, 26] total 88 [2024-10-17 16:29:13,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457378265] [2024-10-17 16:29:13,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 16:29:13,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-10-17 16:29:13,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 16:29:13,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-10-17 16:29:13,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=576, Invalid=7242, Unknown=14, NotChecked=0, Total=7832 [2024-10-17 16:29:13,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:29:13,615 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:29:13,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 1.7191011235955056) internal successors, (153), 88 states have internal predecessors, (153), 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 16:29:13,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:29:13,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:29:13,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:29:13,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:29:13,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:29:13,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:29:13,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:29:22,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:29:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:29:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:29:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:29:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:29:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:29:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:29:22,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-17 16:29:23,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:29:23,117 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:29:23,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:29:23,117 INFO L85 PathProgramCache]: Analyzing trace with hash 211215611, now seen corresponding path program 4 times [2024-10-17 16:29:23,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:29:23,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119951714] [2024-10-17 16:29:23,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:29:23,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:29:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:29:23,481 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 159 proven. 149 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-17 16:29:23,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:29:23,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119951714] [2024-10-17 16:29:23,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119951714] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 16:29:23,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573500729] [2024-10-17 16:29:23,482 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 16:29:23,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:29:23,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:29:23,483 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 16:29:23,484 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 16:29:23,604 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 16:29:23,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 16:29:23,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-17 16:29:23,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 16:29:24,088 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 256 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:29:24,088 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 16:29:24,767 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 251 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:29:24,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573500729] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 16:29:24,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 16:29:24,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20, 20] total 55 [2024-10-17 16:29:24,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268034878] [2024-10-17 16:29:24,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 16:29:24,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-10-17 16:29:24,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 16:29:24,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-10-17 16:29:24,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=811, Invalid=2269, Unknown=0, NotChecked=0, Total=3080 [2024-10-17 16:29:24,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:29:24,770 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:29:24,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 4.267857142857143) internal successors, (239), 55 states have internal predecessors, (239), 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 16:29:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:29:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:29:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:29:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:29:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:29:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:29:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:29:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:29:25,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:29:25,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:29:25,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:29:25,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:29:25,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:29:25,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:29:25,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:29:25,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:29:25,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-17 16:29:25,341 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,SelfDestructingSolverStorable8 [2024-10-17 16:29:25,342 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:29:25,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:29:25,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1399323245, now seen corresponding path program 5 times [2024-10-17 16:29:25,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:29:25,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484884568] [2024-10-17 16:29:25,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:29:25,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:29:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:29:30,045 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 135 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:29:30,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:29:30,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484884568] [2024-10-17 16:29:30,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484884568] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 16:29:30,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699736541] [2024-10-17 16:29:30,046 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 16:29:30,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:29:30,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:29:30,048 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 16:29:30,048 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 16:29:30,289 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-10-17 16:29:30,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 16:29:30,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-10-17 16:29:30,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 16:29:34,759 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 346 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 16:29:34,759 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 16:29:41,345 INFO L349 Elim1Store]: treesize reduction 360, result has 54.6 percent of original size [2024-10-17 16:29:41,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 212 treesize of output 484 [2024-10-17 16:29:41,770 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-17 16:29:41,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699736541] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 16:29:41,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 16:29:41,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 49, 42] total 152 [2024-10-17 16:29:41,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345225201] [2024-10-17 16:29:41,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 16:29:41,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 153 states [2024-10-17 16:29:41,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 16:29:41,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2024-10-17 16:29:41,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1362, Invalid=21894, Unknown=0, NotChecked=0, Total=23256 [2024-10-17 16:29:41,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:29:41,775 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:29:41,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 153 states, 153 states have (on average 1.7189542483660132) internal successors, (263), 152 states have internal predecessors, (263), 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 16:29:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:29:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:29:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:29:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:29:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:29:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:29:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:29:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:29:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:30:08,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:30:08,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:30:08,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:30:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:30:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:30:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:30:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:30:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:30:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-17 16:30:08,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-17 16:30:08,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:30:08,725 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:30:08,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:30:08,726 INFO L85 PathProgramCache]: Analyzing trace with hash 994527671, now seen corresponding path program 6 times [2024-10-17 16:30:08,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:30:08,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597327119] [2024-10-17 16:30:08,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:30:08,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:30:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:30:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 417 proven. 628 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-17 16:30:09,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:30:09,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597327119] [2024-10-17 16:30:09,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597327119] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 16:30:09,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346824755] [2024-10-17 16:30:09,344 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 16:30:09,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:30:09,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:30:09,345 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 16:30:09,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-17 16:30:11,205 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-10-17 16:30:11,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 16:30:11,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-17 16:30:11,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 16:30:12,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 945 proven. 282 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:30:12,149 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 16:30:13,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 810 proven. 417 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:30:13,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346824755] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 16:30:13,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 16:30:13,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 32, 33] total 87 [2024-10-17 16:30:13,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798386334] [2024-10-17 16:30:13,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 16:30:13,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-10-17 16:30:13,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 16:30:13,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-10-17 16:30:13,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1841, Invalid=5815, Unknown=0, NotChecked=0, Total=7656 [2024-10-17 16:30:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:30:13,192 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:30:13,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 4.488636363636363) internal successors, (395), 87 states have internal predecessors, (395), 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 16:30:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:30:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:30:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:30:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:30:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:30:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:30:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:30:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:30:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-17 16:30:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:30:13,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:30:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:30:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:30:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:30:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:30:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:30:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:30:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:30:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-17 16:30:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 16:30:13,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-17 16:30:14,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:30:14,016 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:30:14,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:30:14,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1720045385, now seen corresponding path program 7 times [2024-10-17 16:30:14,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:30:14,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40523780] [2024-10-17 16:30:14,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:30:14,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:30:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:30:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 888 proven. 463 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:30:29,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:30:29,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40523780] [2024-10-17 16:30:29,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40523780] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 16:30:29,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950676570] [2024-10-17 16:30:29,861 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-17 16:30:29,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:30:29,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:30:29,862 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 16:30:29,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-17 16:30:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:30:30,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 258 conjuncts are in the unsatisfiable core [2024-10-17 16:30:30,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 16:30:50,172 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 16:30:50,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 199 treesize of output 55 [2024-10-17 16:30:50,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 0 proven. 1351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:30:50,844 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 16:31:17,178 INFO L349 Elim1Store]: treesize reduction 1530, result has 52.3 percent of original size [2024-10-17 16:31:17,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 36 select indices, 36 select index equivalence classes, 0 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 630 case distinctions, treesize of input 419 treesize of output 1771 [2024-10-17 16:31:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 0 proven. 1351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:31:22,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950676570] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 16:31:22,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 16:31:22,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 99, 99] total 312 [2024-10-17 16:31:22,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998268704] [2024-10-17 16:31:22,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 16:31:22,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 313 states [2024-10-17 16:31:22,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 16:31:22,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 313 interpolants. [2024-10-17 16:31:22,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17483, Invalid=80173, Unknown=0, NotChecked=0, Total=97656 [2024-10-17 16:31:22,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:31:22,171 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:31:22,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 313 states, 313 states have (on average 1.5654952076677315) internal successors, (490), 312 states have internal predecessors, (490), 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 16:31:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:31:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:31:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:31:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:31:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:31:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:31:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:31:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:31:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-17 16:31:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 16:31:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:32:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:32:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:32:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:32:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:32:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:32:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:32:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:32:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:32:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-17 16:32:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 16:32:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-10-17 16:32:21,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-17 16:32:22,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-17 16:32:22,101 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:32:22,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:32:22,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1145272123, now seen corresponding path program 8 times [2024-10-17 16:32:22,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:32:22,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951293565] [2024-10-17 16:32:22,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:32:22,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:32:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:33:43,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 430 proven. 1093 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:33:43,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:33:43,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951293565] [2024-10-17 16:33:43,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951293565] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 16:33:43,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519060561] [2024-10-17 16:33:43,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 16:33:43,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:33:43,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:33:43,470 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 16:33:43,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-17 16:33:43,606 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 16:33:43,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 16:33:43,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 264 conjuncts are in the unsatisfiable core [2024-10-17 16:33:43,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 16:34:04,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 0 proven. 1522 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 16:34:04,311 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 16:34:47,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 16:34:47,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 38 select indices, 38 select index equivalence classes, 0 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 703 case distinctions, treesize of input 453 treesize of output 3677 [2024-10-17 16:34:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 0 proven. 1292 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-17 16:34:57,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519060561] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 16:34:57,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 16:34:57,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 103, 83] total 307 [2024-10-17 16:34:57,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376151932] [2024-10-17 16:34:57,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 16:34:57,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 308 states [2024-10-17 16:34:57,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 16:34:57,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 308 interpolants. [2024-10-17 16:34:57,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3690, Invalid=90866, Unknown=0, NotChecked=0, Total=94556 [2024-10-17 16:34:57,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:34:57,943 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:34:57,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 308 states, 308 states have (on average 1.603896103896104) internal successors, (494), 307 states have internal predecessors, (494), 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 16:34:57,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:34:57,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:34:57,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:34:57,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:34:57,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:34:57,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:34:57,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:34:57,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:34:57,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-17 16:34:57,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 16:34:57,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-10-17 16:34:57,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:38:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:38:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:38:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:38:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:38:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:38:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:38:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:38:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:38:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-17 16:38:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 16:38:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-10-17 16:38:13,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2024-10-17 16:38:13,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-17 16:38:13,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:38:13,541 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:38:13,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:38:13,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1351721467, now seen corresponding path program 9 times [2024-10-17 16:38:13,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:38:13,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93471831] [2024-10-17 16:38:13,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:38:13,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:38:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:38:15,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5364 backedges. 1685 proven. 2759 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2024-10-17 16:38:15,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:38:15,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93471831] [2024-10-17 16:38:15,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93471831] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 16:38:15,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365055964] [2024-10-17 16:38:15,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 16:38:15,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:38:15,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:38:15,098 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 16:38:15,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-17 16:38:24,006 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2024-10-17 16:38:24,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 16:38:24,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-10-17 16:38:24,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 16:38:25,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5364 backedges. 4191 proven. 253 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2024-10-17 16:38:25,945 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 16:38:28,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5364 backedges. 1486 proven. 2958 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2024-10-17 16:38:28,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365055964] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 16:38:28,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 16:38:28,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 48, 49] total 140 [2024-10-17 16:38:28,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899316952] [2024-10-17 16:38:28,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 16:38:28,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2024-10-17 16:38:28,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 16:38:28,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2024-10-17 16:38:28,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3418, Invalid=16322, Unknown=0, NotChecked=0, Total=19740 [2024-10-17 16:38:28,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:38:28,332 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:38:28,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 3.9645390070921986) internal successors, (559), 140 states have internal predecessors, (559), 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 16:38:28,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:38:28,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:38:28,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:38:28,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:38:28,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:38:28,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:38:28,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:38:28,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:38:28,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-17 16:38:28,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 16:38:28,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-10-17 16:38:28,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states. [2024-10-17 16:38:28,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:38:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:38:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:38:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:38:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:38:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:38:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:38:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:38:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:38:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-17 16:38:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 16:38:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-10-17 16:38:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2024-10-17 16:38:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 16:38:29,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-17 16:38:29,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-17 16:38:29,633 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:38:29,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:38:29,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1652643639, now seen corresponding path program 10 times [2024-10-17 16:38:29,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:38:29,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414887788] [2024-10-17 16:38:29,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:38:29,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:38:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:38:31,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5387 backedges. 1835 proven. 2742 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2024-10-17 16:38:31,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:38:31,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414887788] [2024-10-17 16:38:31,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414887788] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 16:38:31,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164917643] [2024-10-17 16:38:31,310 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 16:38:31,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:38:31,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:38:31,312 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 16:38:31,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-17 16:38:31,709 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 16:38:31,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 16:38:31,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-10-17 16:38:31,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 16:38:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 5387 backedges. 5109 proven. 276 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 16:38:34,696 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 16:38:37,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5387 backedges. 4562 proven. 823 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 16:38:37,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164917643] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 16:38:37,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 16:38:37,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 63, 63] total 172 [2024-10-17 16:38:37,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356482435] [2024-10-17 16:38:37,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 16:38:37,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 173 states [2024-10-17 16:38:37,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 16:38:37,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2024-10-17 16:38:37,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7405, Invalid=22351, Unknown=0, NotChecked=0, Total=29756 [2024-10-17 16:38:37,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:38:37,998 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:38:37,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 173 states, 173 states have (on average 4.566473988439307) internal successors, (790), 172 states have internal predecessors, (790), 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 16:38:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:38:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:38:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:38:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:38:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:38:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:38:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:38:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:38:37,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-17 16:38:37,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 16:38:37,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-10-17 16:38:37,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states. [2024-10-17 16:38:37,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 16:38:37,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:38:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:38:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:38:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:38:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:38:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:38:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:38:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:38:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:38:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-17 16:38:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 16:38:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-10-17 16:38:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2024-10-17 16:38:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 16:38:38,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-17 16:38:38,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-17 16:38:38,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-17 16:38:38,459 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:38:38,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:38:38,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1022873605, now seen corresponding path program 11 times [2024-10-17 16:38:38,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:38:38,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729037761] [2024-10-17 16:38:38,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:38:38,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:38:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:38:41,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 5036 proven. 816 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:38:41,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:38:41,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729037761] [2024-10-17 16:38:41,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729037761] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 16:38:41,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388215789] [2024-10-17 16:38:41,819 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 16:38:41,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:38:41,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:38:41,820 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 16:38:41,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-17 16:38:48,271 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 39 check-sat command(s) [2024-10-17 16:38:48,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 16:38:48,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 1087 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-10-17 16:38:48,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 16:38:53,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 4925 proven. 927 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:38:53,158 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 16:38:59,527 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 4891 proven. 961 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:38:59,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388215789] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 16:38:59,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 16:38:59,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 80, 80] total 237 [2024-10-17 16:38:59,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291607178] [2024-10-17 16:38:59,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 16:38:59,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 238 states [2024-10-17 16:38:59,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 16:38:59,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 238 interpolants. [2024-10-17 16:38:59,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13388, Invalid=43018, Unknown=0, NotChecked=0, Total=56406 [2024-10-17 16:38:59,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:38:59,539 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 16:38:59,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 238 states, 238 states have (on average 4.0) internal successors, (952), 237 states have internal predecessors, (952), 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 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-17 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-10-17 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states. [2024-10-17 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-10-17 16:38:59,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 16:39:01,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 16:39:01,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 16:39:01,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 16:39:01,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 16:39:01,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 16:39:01,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 16:39:01,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 16:39:01,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 16:39:01,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-17 16:39:01,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 16:39:01,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-10-17 16:39:01,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2024-10-17 16:39:01,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 16:39:01,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-17 16:39:01,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-10-17 16:39:01,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-17 16:39:02,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-17 16:39:02,029 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 16:39:02,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 16:39:02,030 INFO L85 PathProgramCache]: Analyzing trace with hash -2044320457, now seen corresponding path program 12 times [2024-10-17 16:39:02,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 16:39:02,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720513502] [2024-10-17 16:39:02,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 16:39:02,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 16:39:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 16:40:08,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5891 backedges. 4518 proven. 1373 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 16:40:08,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 16:40:08,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720513502] [2024-10-17 16:40:08,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720513502] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 16:40:08,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382440492] [2024-10-17 16:40:08,144 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 16:40:08,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 16:40:08,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 16:40:08,146 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 16:40:08,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process Killed by 15