./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 SLEEP_SET -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 SLEEP_SET -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 13:02:34,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 13:02:34,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 13:02:34,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 13:02:34,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 13:02:34,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 13:02:34,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 13:02:34,279 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 13:02:34,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 13:02:34,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 13:02:34,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 13:02:34,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 13:02:34,283 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 13:02:34,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 13:02:34,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 13:02:34,284 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 13:02:34,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 13:02:34,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 13:02:34,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 13:02:34,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 13:02:34,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 13:02:34,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 13:02:34,290 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 13:02:34,290 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 13:02:34,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 13:02:34,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 13:02:34,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 13:02:34,291 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 13:02:34,291 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 13:02:34,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 13:02:34,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 13:02:34,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 13:02:34,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 13:02:34,292 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 13:02:34,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 13:02:34,292 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 13:02:34,293 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 13:02:34,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 13:02:34,296 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 13:02:34,296 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 13:02:34,296 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 13:02:34,297 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-10-17 13:02:34,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 13:02:34,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 13:02:34,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 13:02:34,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 13:02:34,594 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 13:02:34,596 INFO L431 ainManager$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 13:02:36,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 13:02:36,204 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 13:02:36,205 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2024-10-17 13:02:36,214 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d577efc4b/4162ad3ae51b4c92b1f1631c89d09373/FLAG95dd67de7 [2024-10-17 13:02:36,230 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d577efc4b/4162ad3ae51b4c92b1f1631c89d09373 [2024-10-17 13:02:36,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 13:02:36,234 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 13:02:36,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 13:02:36,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 13:02:36,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 13:02:36,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 01:02:36" (1/1) ... [2024-10-17 13:02:36,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7883f4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:02:36, skipping insertion in model container [2024-10-17 13:02:36,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 01:02:36" (1/1) ... [2024-10-17 13:02:36,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 13:02:36,471 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 13:02:36,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 13:02:36,495 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 13:02:36,512 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 13:02:36,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 13:02:36,530 INFO L204 MainTranslator]: Completed translation [2024-10-17 13:02:36,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:02:36 WrapperNode [2024-10-17 13:02:36,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 13:02:36,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 13:02:36,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 13:02:36,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 13:02:36,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:02:36" (1/1) ... [2024-10-17 13:02:36,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:02:36" (1/1) ... [2024-10-17 13:02:36,584 INFO L138 Inliner]: procedures = 23, calls = 29, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 149 [2024-10-17 13:02:36,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 13:02:36,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 13:02:36,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 13:02:36,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 13:02:36,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:02:36" (1/1) ... [2024-10-17 13:02:36,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:02:36" (1/1) ... [2024-10-17 13:02:36,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:02:36" (1/1) ... [2024-10-17 13:02:36,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:02:36" (1/1) ... [2024-10-17 13:02:36,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:02:36" (1/1) ... [2024-10-17 13:02:36,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:02:36" (1/1) ... [2024-10-17 13:02:36,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:02:36" (1/1) ... [2024-10-17 13:02:36,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:02:36" (1/1) ... [2024-10-17 13:02:36,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 13:02:36,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 13:02:36,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 13:02:36,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 13:02:36,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:02:36" (1/1) ... [2024-10-17 13:02:36,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 13:02:36,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:02:36,664 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 13:02:36,668 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 13:02:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 13:02:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-17 13:02:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-17 13:02:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-17 13:02:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-17 13:02:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 13:02:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-17 13:02:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 13:02:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 13:02:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-17 13:02:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 13:02:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 13:02:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-17 13:02:36,721 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 13:02:36,855 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 13:02:36,859 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 13:02:37,121 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 13:02:37,121 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 13:02:37,339 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 13:02:37,339 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-17 13:02:37,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 01:02:37 BoogieIcfgContainer [2024-10-17 13:02:37,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 13:02:37,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 13:02:37,343 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 13:02:37,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 13:02:37,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 01:02:36" (1/3) ... [2024-10-17 13:02:37,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763452a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 01:02:37, skipping insertion in model container [2024-10-17 13:02:37,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 01:02:36" (2/3) ... [2024-10-17 13:02:37,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763452a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 01:02:37, skipping insertion in model container [2024-10-17 13:02:37,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 01:02:37" (3/3) ... [2024-10-17 13:02:37,351 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-2.wvr.c [2024-10-17 13:02:37,367 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 13:02:37,368 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 13:02:37,368 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 13:02:37,412 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-17 13:02:37,462 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 13:02:37,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 13:02:37,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:02:37,465 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 13:02:37,466 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 13:02:37,564 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 13:02:37,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:02:37,586 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 13:02:37,592 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;@70c95712, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 13:02:37,594 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-17 13:02:38,088 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 13:02:38,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:02:38,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1104584981, now seen corresponding path program 1 times [2024-10-17 13:02:38,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:02:38,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656717260] [2024-10-17 13:02:38,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:02:38,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:02:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:02:38,611 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 13:02:38,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:02:38,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656717260] [2024-10-17 13:02:38,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656717260] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 13:02:38,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 13:02:38,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 13:02:38,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40197671] [2024-10-17 13:02:38,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 13:02:38,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 13:02:38,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 13:02:38,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 13:02:38,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 13:02:38,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:02:38,653 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:02:38,654 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 13:02:38,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:02:38,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:02:38,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 13:02:38,715 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 13:02:38,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:02:38,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1503266695, now seen corresponding path program 1 times [2024-10-17 13:02:38,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:02:38,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224700469] [2024-10-17 13:02:38,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:02:38,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:02:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:02:38,921 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 13:02:38,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:02:38,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224700469] [2024-10-17 13:02:38,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224700469] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 13:02:38,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571292198] [2024-10-17 13:02:38,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:02:38,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 13:02:38,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:02:38,927 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 13:02:38,929 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 13:02:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:02:39,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-17 13:02:39,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 13:02:39,136 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 13:02:39,140 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 13:02:39,278 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 13:02:39,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571292198] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 13:02:39,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 13:02:39,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-17 13:02:39,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036490352] [2024-10-17 13:02:39,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 13:02:39,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-17 13:02:39,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 13:02:39,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-17 13:02:39,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-17 13:02:39,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:02:39,285 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:02:39,285 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 13:02:39,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:02:39,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:02:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:02:39,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:02:39,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-17 13:02:39,637 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 13:02:39,638 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 13:02:39,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:02:39,639 INFO L85 PathProgramCache]: Analyzing trace with hash -977497941, now seen corresponding path program 2 times [2024-10-17 13:02:39,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:02:39,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435890054] [2024-10-17 13:02:39,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:02:39,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:02:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:02:40,278 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 13:02:40,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:02:40,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435890054] [2024-10-17 13:02:40,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435890054] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 13:02:40,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322255154] [2024-10-17 13:02:40,280 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 13:02:40,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 13:02:40,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:02:40,284 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 13:02:40,285 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 13:02:40,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 13:02:40,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 13:02:40,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-17 13:02:40,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 13:02:40,573 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 13:02:40,612 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 13:02:40,612 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 13:02:40,776 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-17 13:02:40,777 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 13:02:40,999 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 13:02:41,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322255154] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 13:02:41,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 13:02:41,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 21 [2024-10-17 13:02:41,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592416306] [2024-10-17 13:02:41,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 13:02:41,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-17 13:02:41,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 13:02:41,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-17 13:02:41,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2024-10-17 13:02:41,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:02:41,003 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:02:41,003 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 13:02:41,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:02:41,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:02:41,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:02:41,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:02:41,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:02:41,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:02:41,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-17 13:02:41,567 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 13:02:41,568 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 13:02:41,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:02:41,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1220218115, now seen corresponding path program 1 times [2024-10-17 13:02:41,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:02:41,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328448524] [2024-10-17 13:02:41,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:02:41,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:02:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:02:42,753 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 13:02:42,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:02:42,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328448524] [2024-10-17 13:02:42,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328448524] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 13:02:42,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651752400] [2024-10-17 13:02:42,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:02:42,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 13:02:42,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:02:42,757 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 13:02:42,759 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 13:02:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:02:42,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-17 13:02:42,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 13:02:43,011 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 13:02:43,012 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 13:02:43,069 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-17 13:02:43,070 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 13:02:43,099 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 13:02:43,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651752400] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 13:02:43,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 13:02:43,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 5] total 20 [2024-10-17 13:02:43,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713135601] [2024-10-17 13:02:43,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 13:02:43,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-17 13:02:43,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 13:02:43,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-17 13:02:43,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2024-10-17 13:02:43,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:02:43,102 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:02:43,103 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 13:02:43,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:02:43,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:02:43,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:02:43,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:02:43,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:02:43,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:02:43,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:02:43,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:02:43,855 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 13:02:44,038 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 13:02:44,039 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 13:02:44,198 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 13:02:44,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1589878772, now seen corresponding path program 1 times [2024-10-17 13:02:44,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:02:44,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:02:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:02:44,387 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 13:02:44,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:02:44,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:02:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:02:44,456 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 13:02:44,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 13:02:44,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 13:02:44,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-17 13:02:44,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:02:44,459 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:02:44,459 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 13:02:44,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:02:44,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:02:44,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:02:44,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:02:44,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:02:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:02:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:02:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:02:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:02:44,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:02:44,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2024-10-17 13:02:44,844 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 13:02:44,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:02:44,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1992730743, now seen corresponding path program 2 times [2024-10-17 13:02:44,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:02:44,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023085448] [2024-10-17 13:02:44,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:02:44,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:02:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:02:47,227 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 13:02:47,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:02:47,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023085448] [2024-10-17 13:02:47,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023085448] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 13:02:47,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442648644] [2024-10-17 13:02:47,228 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 13:02:47,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 13:02:47,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:02:47,230 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 13:02:47,231 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 13:02:47,316 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 13:02:47,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 13:02:47,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-10-17 13:02:47,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 13:02:48,095 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 13:02:48,096 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 13:02:48,604 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 13:02:48,605 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 13:02:48,737 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 13:02:48,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442648644] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 13:02:48,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 13:02:48,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 18, 14] total 52 [2024-10-17 13:02:48,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245606464] [2024-10-17 13:02:48,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 13:02:48,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-10-17 13:02:48,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 13:02:48,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-10-17 13:02:48,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=2578, Unknown=0, NotChecked=0, Total=2756 [2024-10-17 13:02:48,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:02:48,741 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:02:48,741 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 13:02:48,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:02:48,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:02:48,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:02:48,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:02:48,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:02:48,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:02:50,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:02:50,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:02:50,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:02:50,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:02:50,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:02:50,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:02:50,947 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 13:02:51,130 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 13:02:51,131 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 13:02:51,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:02:51,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1887964923, now seen corresponding path program 3 times [2024-10-17 13:02:51,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:02:51,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149537851] [2024-10-17 13:02:51,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:02:51,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:02:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:02:54,686 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 13:02:54,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:02:54,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149537851] [2024-10-17 13:02:54,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149537851] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 13:02:54,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314877147] [2024-10-17 13:02:54,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 13:02:54,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 13:02:54,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:02:54,690 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 13:02:54,694 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 13:02:54,890 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-17 13:02:54,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 13:02:54,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-10-17 13:02:54,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 13:02:55,148 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 13:02:56,344 INFO L349 Elim1Store]: treesize reduction 50, result has 35.1 percent of original size [2024-10-17 13:02:56,344 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 13:02:56,766 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 13:02:56,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 13:03:31,866 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 13:03:32,029 INFO L349 Elim1Store]: treesize reduction 56, result has 70.4 percent of original size [2024-10-17 13:03:32,030 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 13:03:35,563 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 13:03:35,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314877147] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 13:03:35,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 13:03:35,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 30, 26] total 88 [2024-10-17 13:03:35,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100999375] [2024-10-17 13:03:35,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 13:03:35,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-10-17 13:03:35,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 13:03:35,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-10-17 13:03:35,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=576, Invalid=7240, Unknown=16, NotChecked=0, Total=7832 [2024-10-17 13:03:35,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:03:35,569 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:03:35,570 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 13:03:35,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:03:35,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:03:35,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:03:35,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:03:35,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:03:35,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:03:35,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:03:46,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:03:46,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:03:46,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:03:46,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:03:46,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:03:46,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:03:46,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:03:46,746 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 13:03:46,933 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 13:03:46,934 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 13:03:46,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:03:46,934 INFO L85 PathProgramCache]: Analyzing trace with hash 211215611, now seen corresponding path program 4 times [2024-10-17 13:03:46,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:03:46,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981619169] [2024-10-17 13:03:46,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:03:46,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:03:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:03:47,447 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 13:03:47,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:03:47,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981619169] [2024-10-17 13:03:47,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981619169] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 13:03:47,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10485974] [2024-10-17 13:03:47,449 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 13:03:47,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 13:03:47,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:03:47,451 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 13:03:47,478 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 13:03:47,650 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 13:03:47,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 13:03:47,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-17 13:03:47,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 13:03:48,449 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 13:03:48,450 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 13:03:49,335 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 13:03:49,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10485974] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 13:03:49,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 13:03:49,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20, 20] total 55 [2024-10-17 13:03:49,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446926314] [2024-10-17 13:03:49,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 13:03:49,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-10-17 13:03:49,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 13:03:49,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-10-17 13:03:49,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=811, Invalid=2269, Unknown=0, NotChecked=0, Total=3080 [2024-10-17 13:03:49,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:03:49,340 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:03:49,341 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 13:03:49,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:03:49,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:03:49,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:03:49,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:03:49,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:03:49,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:03:49,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:03:49,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:03:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:03:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:03:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:03:49,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:03:49,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:03:49,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:03:49,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:03:49,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:03:49,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-17 13:03:49,980 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 13:03:49,981 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 13:03:49,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:03:49,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1399323245, now seen corresponding path program 5 times [2024-10-17 13:03:49,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:03:49,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850365753] [2024-10-17 13:03:49,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:03:49,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:03:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:03:56,394 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 13:03:56,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:03:56,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850365753] [2024-10-17 13:03:56,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850365753] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 13:03:56,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969546168] [2024-10-17 13:03:56,395 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 13:03:56,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 13:03:56,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:03:56,397 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 13:03:56,398 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 13:03:56,666 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-10-17 13:03:56,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 13:03:56,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-10-17 13:03:56,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 13:04:01,884 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 13:04:01,885 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 13:04:09,568 INFO L349 Elim1Store]: treesize reduction 360, result has 54.6 percent of original size [2024-10-17 13:04:09,568 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 13:04:10,076 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 13:04:10,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969546168] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 13:04:10,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 13:04:10,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 49, 42] total 152 [2024-10-17 13:04:10,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962755473] [2024-10-17 13:04:10,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 13:04:10,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 153 states [2024-10-17 13:04:10,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 13:04:10,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2024-10-17 13:04:10,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1362, Invalid=21894, Unknown=0, NotChecked=0, Total=23256 [2024-10-17 13:04:10,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:04:10,084 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:04:10,085 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 13:04:10,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:04:10,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:04:10,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:04:10,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:04:10,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:04:10,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:04:10,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:04:10,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:04:10,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:04:41,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:04:41,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:04:41,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:04:41,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:04:41,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:04:41,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:04:41,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:04:41,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:04:41,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-17 13:04:41,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-17 13:04:41,428 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 13:04:41,428 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 13:04:41,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:04:41,429 INFO L85 PathProgramCache]: Analyzing trace with hash 994527671, now seen corresponding path program 6 times [2024-10-17 13:04:41,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:04:41,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561787091] [2024-10-17 13:04:41,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:04:41,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:04:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:04:42,269 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 13:04:42,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:04:42,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561787091] [2024-10-17 13:04:42,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561787091] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 13:04:42,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818068851] [2024-10-17 13:04:42,270 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 13:04:42,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 13:04:42,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:04:42,271 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 13:04:42,272 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 13:04:44,239 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-10-17 13:04:44,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 13:04:44,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-17 13:04:44,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 13:04:45,485 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 13:04:45,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 13:04:46,780 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 13:04:46,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818068851] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 13:04:46,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 13:04:46,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 32, 33] total 87 [2024-10-17 13:04:46,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874141839] [2024-10-17 13:04:46,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 13:04:46,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-10-17 13:04:46,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 13:04:46,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-10-17 13:04:46,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1841, Invalid=5815, Unknown=0, NotChecked=0, Total=7656 [2024-10-17 13:04:46,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:04:46,786 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:04:46,786 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 13:04:46,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:04:46,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:04:46,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:04:46,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:04:46,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:04:46,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:04:46,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:04:46,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:04:46,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-17 13:04:46,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:04:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:04:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:04:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:04:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:04:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:04:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:04:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:04:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:04:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-17 13:04:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 13:04:47,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-17 13:04:47,764 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 13:04:47,764 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 13:04:47,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:04:47,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1720045385, now seen corresponding path program 7 times [2024-10-17 13:04:47,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:04:47,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389392904] [2024-10-17 13:04:47,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:04:47,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:04:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:05:08,900 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 13:05:08,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:05:08,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389392904] [2024-10-17 13:05:08,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389392904] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 13:05:08,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125804914] [2024-10-17 13:05:08,901 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-17 13:05:08,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 13:05:08,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:05:08,902 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 13:05:08,903 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 13:05:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:05:09,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 258 conjuncts are in the unsatisfiable core [2024-10-17 13:05:09,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 13:05:32,519 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 13:05:32,520 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 13:05:33,286 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 13:05:33,286 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 13:06:04,734 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 1097 DAG size of output: 604 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-10-17 13:06:04,734 INFO L349 Elim1Store]: treesize reduction 1530, result has 52.3 percent of original size [2024-10-17 13:06:04,735 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 13:06:10,699 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 13:06:10,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125804914] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 13:06:10,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 13:06:10,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 99, 99] total 312 [2024-10-17 13:06:10,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005500941] [2024-10-17 13:06:10,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 13:06:10,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 313 states [2024-10-17 13:06:10,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 13:06:10,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 313 interpolants. [2024-10-17 13:06:10,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17483, Invalid=80173, Unknown=0, NotChecked=0, Total=97656 [2024-10-17 13:06:10,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:06:10,717 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:06:10,717 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 13:06:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:06:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:06:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:06:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:06:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:06:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:06:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:06:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:06:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-17 13:06:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 13:06:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:07:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:07:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:07:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:07:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:07:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:07:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:07:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:07:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:07:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-17 13:07:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 13:07:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-10-17 13:07:17,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-17 13:07:17,780 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 13:07:17,780 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 13:07:17,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:07:17,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1145272123, now seen corresponding path program 8 times [2024-10-17 13:07:17,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:07:17,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573530242] [2024-10-17 13:07:17,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:07:17,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:07:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:08:44,772 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 13:08:44,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:08:44,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573530242] [2024-10-17 13:08:44,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573530242] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 13:08:44,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285045825] [2024-10-17 13:08:44,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 13:08:44,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 13:08:44,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:08:44,775 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 13:08:44,776 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 13:08:44,974 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 13:08:44,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 13:08:44,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 264 conjuncts are in the unsatisfiable core [2024-10-17 13:08:44,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 13:09:09,503 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 13:09:09,503 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 13:09:58,395 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 1215 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-10-17 13:09:58,396 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 13:09:58,397 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 13:10:09,558 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 13:10:09,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285045825] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 13:10:09,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 13:10:09,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 103, 83] total 307 [2024-10-17 13:10:09,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260622879] [2024-10-17 13:10:09,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 13:10:09,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 308 states [2024-10-17 13:10:09,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 13:10:09,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 308 interpolants. [2024-10-17 13:10:09,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3690, Invalid=90866, Unknown=0, NotChecked=0, Total=94556 [2024-10-17 13:10:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:10:09,567 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:10:09,567 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 13:10:09,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:10:09,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:10:09,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:10:09,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:10:09,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:10:09,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:10:09,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:10:09,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:10:09,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-17 13:10:09,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 13:10:09,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-10-17 13:10:09,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:13:40,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:13:40,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:13:40,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:13:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:13:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:13:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:13:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:13:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:13:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-17 13:13:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 13:13:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-10-17 13:13:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2024-10-17 13:13:40,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-17 13:13:40,494 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 13:13:40,495 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 13:13:40,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:13:40,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1351721467, now seen corresponding path program 9 times [2024-10-17 13:13:40,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:13:40,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396714449] [2024-10-17 13:13:40,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:13:40,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:13:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:13:42,495 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 13:13:42,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:13:42,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396714449] [2024-10-17 13:13:42,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396714449] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 13:13:42,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209113953] [2024-10-17 13:13:42,495 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 13:13:42,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 13:13:42,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:13:42,497 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 13:13:42,498 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 13:13:51,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2024-10-17 13:13:51,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 13:13:51,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-10-17 13:13:51,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 13:13:54,002 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 13:13:54,002 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 13:13:56,948 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 13:13:56,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209113953] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 13:13:56,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 13:13:56,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 48, 49] total 140 [2024-10-17 13:13:56,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736739762] [2024-10-17 13:13:56,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 13:13:56,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2024-10-17 13:13:56,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 13:13:56,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2024-10-17 13:13:56,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3418, Invalid=16322, Unknown=0, NotChecked=0, Total=19740 [2024-10-17 13:13:56,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:13:56,956 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:13:56,956 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 13:13:56,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:13:56,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:13:56,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:13:56,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:13:56,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:13:56,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:13:56,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:13:56,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:13:56,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-17 13:13:56,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 13:13:56,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-10-17 13:13:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states. [2024-10-17 13:13:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:13:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:13:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:13:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:13:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:13:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:13:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:13:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:13:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:13:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-17 13:13:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 13:13:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-10-17 13:13:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2024-10-17 13:13:58,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 13:13:58,376 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 13:13:58,547 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 13:13:58,548 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 13:13:58,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:13:58,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1652643639, now seen corresponding path program 10 times [2024-10-17 13:13:58,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:13:58,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784154994] [2024-10-17 13:13:58,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:13:58,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:13:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:14:00,393 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 13:14:00,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:14:00,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784154994] [2024-10-17 13:14:00,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784154994] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 13:14:00,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214261438] [2024-10-17 13:14:00,394 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 13:14:00,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 13:14:00,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:14:00,396 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 13:14:00,396 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 13:14:00,854 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 13:14:00,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 13:14:00,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-10-17 13:14:00,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 13:14:04,500 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 13:14:04,500 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 13:14:08,509 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 13:14:08,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214261438] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 13:14:08,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 13:14:08,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 63, 63] total 172 [2024-10-17 13:14:08,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407201682] [2024-10-17 13:14:08,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 13:14:08,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 173 states [2024-10-17 13:14:08,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 13:14:08,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2024-10-17 13:14:08,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7405, Invalid=22351, Unknown=0, NotChecked=0, Total=29756 [2024-10-17 13:14:08,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:14:08,517 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:14:08,517 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 13:14:08,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:14:08,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:14:08,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:14:08,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:14:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:14:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:14:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:14:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:14:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-17 13:14:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 13:14:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-10-17 13:14:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states. [2024-10-17 13:14:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 13:14:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:14:08,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:14:08,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:14:08,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:14:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:14:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:14:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:14:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:14:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:14:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-17 13:14:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 13:14:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-10-17 13:14:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2024-10-17 13:14:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 13:14:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-17 13:14:08,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-17 13:14:08,995 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 13:14:08,995 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 13:14:08,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:14:08,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1022873605, now seen corresponding path program 11 times [2024-10-17 13:14:08,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:14:08,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758689905] [2024-10-17 13:14:08,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:14:08,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:14:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:14:12,699 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 13:14:12,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:14:12,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758689905] [2024-10-17 13:14:12,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758689905] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 13:14:12,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219918533] [2024-10-17 13:14:12,699 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 13:14:12,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 13:14:12,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:14:12,701 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 13:14:12,704 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 13:14:19,024 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 39 check-sat command(s) [2024-10-17 13:14:19,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 13:14:19,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 1087 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-10-17 13:14:19,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 13:14:25,001 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 13:14:25,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 13:14:32,622 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 13:14:32,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219918533] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 13:14:32,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 13:14:32,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 80, 80] total 237 [2024-10-17 13:14:32,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210859351] [2024-10-17 13:14:32,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 13:14:32,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 238 states [2024-10-17 13:14:32,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 13:14:32,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 238 interpolants. [2024-10-17 13:14:32,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13388, Invalid=43018, Unknown=0, NotChecked=0, Total=56406 [2024-10-17 13:14:32,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:14:32,636 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 13:14:32,637 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 13:14:32,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:14:32,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:14:32,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:14:32,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:14:32,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:14:32,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:14:32,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:14:32,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:14:32,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-10-17 13:14:32,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 13:14:32,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-10-17 13:14:32,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states. [2024-10-17 13:14:32,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-17 13:14:32,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-10-17 13:14:32,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 13:14:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 13:14:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 13:14:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 13:14:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-17 13:14:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 13:14:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 13:14:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-17 13:14:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-17 13:14:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-10-17 13:14:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 13:14:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-10-17 13:14:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2024-10-17 13:14:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-17 13:14:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-17 13:14:35,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-10-17 13:14:35,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-17 13:14:35,442 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 13:14:35,443 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 13:14:35,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 13:14:35,444 INFO L85 PathProgramCache]: Analyzing trace with hash -2044320457, now seen corresponding path program 12 times [2024-10-17 13:14:35,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 13:14:35,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394039118] [2024-10-17 13:14:35,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 13:14:35,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 13:14:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 13:15:46,213 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 13:15:46,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 13:15:46,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394039118] [2024-10-17 13:15:46,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394039118] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 13:15:46,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034870173] [2024-10-17 13:15:46,213 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-17 13:15:46,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 13:15:46,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 13:15:46,215 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 13:15:46,215 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