./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dfe144c0 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-more-min-array.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 2261d9b3f7623cbd5155b35c39657066d179b87a48a9848bd1f196c713477a75 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-dfe144c-m [2024-07-20 19:36:13,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-20 19:36:13,454 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-20 19:36:13,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-20 19:36:13,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-20 19:36:13,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-20 19:36:13,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-20 19:36:13,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-20 19:36:13,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-20 19:36:13,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-20 19:36:13,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-20 19:36:13,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-20 19:36:13,487 INFO L153 SettingsManager]: * Use SBE=true [2024-07-20 19:36:13,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-20 19:36:13,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-20 19:36:13,488 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-20 19:36:13,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-20 19:36:13,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-20 19:36:13,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-20 19:36:13,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-20 19:36:13,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-20 19:36:13,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-20 19:36:13,490 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-20 19:36:13,491 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-20 19:36:13,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-20 19:36:13,492 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-20 19:36:13,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-20 19:36:13,492 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-20 19:36:13,492 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-20 19:36:13,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-20 19:36:13,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-20 19:36:13,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-20 19:36:13,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-20 19:36:13,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-20 19:36:13,494 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-20 19:36:13,494 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-20 19:36:13,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-20 19:36:13,495 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-20 19:36:13,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-20 19:36:13,495 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-20 19:36:13,495 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-20 19:36:13,496 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-20 19:36:13,496 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2261d9b3f7623cbd5155b35c39657066d179b87a48a9848bd1f196c713477a75 [2024-07-20 19:36:13,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-20 19:36:13,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-20 19:36:13,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-20 19:36:13,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-20 19:36:13,751 INFO L274 PluginConnector]: CDTParser initialized [2024-07-20 19:36:13,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2024-07-20 19:36:14,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-20 19:36:14,917 INFO L384 CDTParser]: Found 1 translation units. [2024-07-20 19:36:14,918 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2024-07-20 19:36:14,935 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8e4a0949b/58791df16dd5464a9b132ef5af7b98d9/FLAG0e97f5729 [2024-07-20 19:36:14,947 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8e4a0949b/58791df16dd5464a9b132ef5af7b98d9 [2024-07-20 19:36:14,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-20 19:36:14,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-20 19:36:14,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-20 19:36:14,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-20 19:36:14,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-20 19:36:14,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 07:36:14" (1/1) ... [2024-07-20 19:36:14,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d507f25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:36:14, skipping insertion in model container [2024-07-20 19:36:14,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 07:36:14" (1/1) ... [2024-07-20 19:36:14,976 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-20 19:36:15,094 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-more-min-array.wvr.c[2592,2605] [2024-07-20 19:36:15,101 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-20 19:36:15,107 INFO L202 MainTranslator]: Completed pre-run [2024-07-20 19:36:15,121 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-more-min-array.wvr.c[2592,2605] [2024-07-20 19:36:15,123 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-20 19:36:15,135 INFO L206 MainTranslator]: Completed translation [2024-07-20 19:36:15,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:36:15 WrapperNode [2024-07-20 19:36:15,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-20 19:36:15,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-20 19:36:15,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-20 19:36:15,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-20 19:36:15,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:36:15" (1/1) ... [2024-07-20 19:36:15,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:36:15" (1/1) ... [2024-07-20 19:36:15,160 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 86 [2024-07-20 19:36:15,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-20 19:36:15,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-20 19:36:15,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-20 19:36:15,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-20 19:36:15,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:36:15" (1/1) ... [2024-07-20 19:36:15,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:36:15" (1/1) ... [2024-07-20 19:36:15,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:36:15" (1/1) ... [2024-07-20 19:36:15,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:36:15" (1/1) ... [2024-07-20 19:36:15,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:36:15" (1/1) ... [2024-07-20 19:36:15,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:36:15" (1/1) ... [2024-07-20 19:36:15,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:36:15" (1/1) ... [2024-07-20 19:36:15,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:36:15" (1/1) ... [2024-07-20 19:36:15,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-20 19:36:15,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-20 19:36:15,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-20 19:36:15,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-20 19:36:15,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:36:15" (1/1) ... [2024-07-20 19:36:15,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-20 19:36:15,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:15,225 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) [2024-07-20 19:36:15,235 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 [2024-07-20 19:36:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-20 19:36:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-20 19:36:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-20 19:36:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-20 19:36:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-20 19:36:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-20 19:36:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-20 19:36:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-20 19:36:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-20 19:36:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-20 19:36:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-20 19:36:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-07-20 19:36:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-20 19:36:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-20 19:36:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-20 19:36:15,273 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-20 19:36:15,408 INFO L244 CfgBuilder]: Building ICFG [2024-07-20 19:36:15,413 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-20 19:36:15,596 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-20 19:36:15,597 INFO L293 CfgBuilder]: Performing block encoding [2024-07-20 19:36:15,759 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-20 19:36:15,760 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-07-20 19:36:15,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 07:36:15 BoogieIcfgContainer [2024-07-20 19:36:15,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-20 19:36:15,762 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-20 19:36:15,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-20 19:36:15,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-20 19:36:15,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 07:36:14" (1/3) ... [2024-07-20 19:36:15,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576dfb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 07:36:15, skipping insertion in model container [2024-07-20 19:36:15,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 07:36:15" (2/3) ... [2024-07-20 19:36:15,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576dfb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 07:36:15, skipping insertion in model container [2024-07-20 19:36:15,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 07:36:15" (3/3) ... [2024-07-20 19:36:15,768 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2024-07-20 19:36:15,774 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-20 19:36:15,781 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-20 19:36:15,781 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-20 19:36:15,782 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-20 19:36:15,828 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-07-20 19:36:15,868 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-20 19:36:15,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-20 19:36:15,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:15,871 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) [2024-07-20 19:36:15,890 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 [2024-07-20 19:36:15,912 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-20 19:36:15,922 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-20 19:36:15,931 INFO L357 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, mHoare=true, 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;@4df68b19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-20 19:36:15,931 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-20 19:36:16,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:16,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:16,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1864329771, now seen corresponding path program 1 times [2024-07-20 19:36:16,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:16,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917118830] [2024-07-20 19:36:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:16,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-07-20 19:36:16,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:16,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917118830] [2024-07-20 19:36:16,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917118830] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:16,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063928182] [2024-07-20 19:36:16,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:16,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:16,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:16,681 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) [2024-07-20 19:36:16,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-20 19:36:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:16,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjunts are in the unsatisfiable core [2024-07-20 19:36:16,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:36:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-07-20 19:36:16,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-20 19:36:16,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063928182] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-20 19:36:16,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-20 19:36:16,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-07-20 19:36:16,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415588593] [2024-07-20 19:36:16,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-20 19:36:16,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-20 19:36:16,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:36:16,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-20 19:36:16,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-07-20 19:36:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:16,852 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:36:16,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2024-07-20 19:36:16,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:16,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:16,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-07-20 19:36:17,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-07-20 19:36:17,130 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:17,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:17,131 INFO L85 PathProgramCache]: Analyzing trace with hash -594937579, now seen corresponding path program 1 times [2024-07-20 19:36:17,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:17,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103912503] [2024-07-20 19:36:17,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:17,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-07-20 19:36:17,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:17,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103912503] [2024-07-20 19:36:17,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103912503] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:17,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147378877] [2024-07-20 19:36:17,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:17,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:17,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:17,272 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) [2024-07-20 19:36:17,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-20 19:36:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:17,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjunts are in the unsatisfiable core [2024-07-20 19:36:17,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:36:17,423 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-07-20 19:36:17,423 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:36:17,471 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-07-20 19:36:17,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2147378877] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:36:17,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:36:17,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-07-20 19:36:17,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418903079] [2024-07-20 19:36:17,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:36:17,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-07-20 19:36:17,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:36:17,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-07-20 19:36:17,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-07-20 19:36:17,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:17,474 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:36:17,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 12 states have internal predecessors, (58), 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) [2024-07-20 19:36:17,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:17,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:17,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:17,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:17,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-07-20 19:36:17,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:17,796 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:17,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:17,797 INFO L85 PathProgramCache]: Analyzing trace with hash 101514709, now seen corresponding path program 2 times [2024-07-20 19:36:17,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:17,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111513189] [2024-07-20 19:36:17,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:17,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:17,907 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-07-20 19:36:17,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:17,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111513189] [2024-07-20 19:36:17,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111513189] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:17,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996578341] [2024-07-20 19:36:17,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 19:36:17,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:17,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:17,937 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) [2024-07-20 19:36:17,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-20 19:36:18,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 19:36:18,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:36:18,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 8 conjunts are in the unsatisfiable core [2024-07-20 19:36:18,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:36:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-07-20 19:36:18,120 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:36:18,174 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-07-20 19:36:18,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996578341] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:36:18,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:36:18,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-07-20 19:36:18,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219674395] [2024-07-20 19:36:18,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:36:18,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-07-20 19:36:18,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:36:18,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-07-20 19:36:18,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-07-20 19:36:18,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:18,183 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:36:18,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 13 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) [2024-07-20 19:36:18,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:18,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:18,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:18,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:18,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:18,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:18,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-20 19:36:18,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:18,541 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:18,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:18,541 INFO L85 PathProgramCache]: Analyzing trace with hash -809816532, now seen corresponding path program 3 times [2024-07-20 19:36:18,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:18,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097975648] [2024-07-20 19:36:18,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:18,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:18,670 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:36:18,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:18,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097975648] [2024-07-20 19:36:18,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097975648] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:18,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441977885] [2024-07-20 19:36:18,671 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 19:36:18,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:18,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:18,681 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) [2024-07-20 19:36:18,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-20 19:36:18,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-07-20 19:36:18,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:36:18,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjunts are in the unsatisfiable core [2024-07-20 19:36:18,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:36:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:36:18,965 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:36:19,077 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:36:19,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441977885] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:36:19,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:36:19,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-07-20 19:36:19,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138834736] [2024-07-20 19:36:19,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:36:19,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-07-20 19:36:19,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:36:19,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-07-20 19:36:19,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2024-07-20 19:36:19,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:19,079 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:36:19,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.4) internal successors, (110), 24 states have internal predecessors, (110), 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) [2024-07-20 19:36:19,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:19,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:19,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:19,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:19,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:19,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:19,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:19,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:19,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-07-20 19:36:19,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:19,423 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:19,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:19,424 INFO L85 PathProgramCache]: Analyzing trace with hash 637507116, now seen corresponding path program 4 times [2024-07-20 19:36:19,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:19,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311166501] [2024-07-20 19:36:19,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:19,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:19,592 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-07-20 19:36:19,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:19,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311166501] [2024-07-20 19:36:19,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311166501] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:19,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065544166] [2024-07-20 19:36:19,593 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 19:36:19,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:19,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:19,595 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) [2024-07-20 19:36:19,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-07-20 19:36:19,658 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 19:36:19,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:36:19,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjunts are in the unsatisfiable core [2024-07-20 19:36:19,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:36:19,809 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-07-20 19:36:19,809 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:36:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-07-20 19:36:19,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065544166] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:36:19,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:36:19,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 25 [2024-07-20 19:36:19,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260139830] [2024-07-20 19:36:19,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:36:19,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-07-20 19:36:19,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:36:19,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-07-20 19:36:19,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-07-20 19:36:19,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:19,935 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:36:19,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.56) internal successors, (89), 25 states have internal predecessors, (89), 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) [2024-07-20 19:36:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:20,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:20,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-07-20 19:36:20,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:20,829 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:20,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:20,829 INFO L85 PathProgramCache]: Analyzing trace with hash -963989801, now seen corresponding path program 5 times [2024-07-20 19:36:20,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:20,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403375033] [2024-07-20 19:36:20,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:20,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 108 proven. 28 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-07-20 19:36:21,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:21,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403375033] [2024-07-20 19:36:21,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403375033] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:21,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487374423] [2024-07-20 19:36:21,061 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 19:36:21,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:21,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:21,080 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) [2024-07-20 19:36:21,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-07-20 19:36:21,255 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-07-20 19:36:21,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:36:21,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 14 conjunts are in the unsatisfiable core [2024-07-20 19:36:21,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:36:21,462 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 129 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-07-20 19:36:21,463 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:36:21,637 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 129 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-07-20 19:36:21,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487374423] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:36:21,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:36:21,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 34 [2024-07-20 19:36:21,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546749432] [2024-07-20 19:36:21,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:36:21,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-07-20 19:36:21,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:36:21,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-07-20 19:36:21,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2024-07-20 19:36:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:21,640 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:36:21,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.6571428571428575) internal successors, (163), 34 states have internal predecessors, (163), 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) [2024-07-20 19:36:21,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:21,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:21,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:21,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:21,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:21,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:21,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:21,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-07-20 19:36:21,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-07-20 19:36:21,983 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:21,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:21,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1914711529, now seen corresponding path program 6 times [2024-07-20 19:36:21,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:21,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174898272] [2024-07-20 19:36:21,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:21,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 59 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:36:22,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:22,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174898272] [2024-07-20 19:36:22,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174898272] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:22,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097626556] [2024-07-20 19:36:22,674 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-20 19:36:22,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:22,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:22,675 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) [2024-07-20 19:36:22,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-07-20 19:36:22,889 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-07-20 19:36:22,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:36:22,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 17 conjunts are in the unsatisfiable core [2024-07-20 19:36:22,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:36:23,264 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 95 proven. 41 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-07-20 19:36:23,264 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:36:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 121 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-07-20 19:36:23,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097626556] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:36:23,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:36:23,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 15, 15] total 53 [2024-07-20 19:36:23,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503110911] [2024-07-20 19:36:23,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:36:23,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-07-20 19:36:23,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:36:23,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-07-20 19:36:23,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=2483, Unknown=0, NotChecked=0, Total=2862 [2024-07-20 19:36:23,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:23,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:36:23,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.185185185185185) internal successors, (172), 53 states have internal predecessors, (172), 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) [2024-07-20 19:36:23,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:23,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:23,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:23,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:23,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:23,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:23,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:23,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:23,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:23,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:23,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:23,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:23,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:23,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-07-20 19:36:24,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:24,146 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:24,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:24,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1322314025, now seen corresponding path program 7 times [2024-07-20 19:36:24,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:24,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329663005] [2024-07-20 19:36:24,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:24,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:24,411 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 127 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:36:24,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:24,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329663005] [2024-07-20 19:36:24,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329663005] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:24,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740346420] [2024-07-20 19:36:24,412 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-20 19:36:24,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:24,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:24,428 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) [2024-07-20 19:36:24,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-07-20 19:36:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:24,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 19 conjunts are in the unsatisfiable core [2024-07-20 19:36:24,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:36:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 105 proven. 37 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-07-20 19:36:24,829 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:36:25,141 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 121 proven. 21 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-07-20 19:36:25,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740346420] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:36:25,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:36:25,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 46 [2024-07-20 19:36:25,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156439577] [2024-07-20 19:36:25,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:36:25,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-07-20 19:36:25,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:36:25,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-07-20 19:36:25,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=1755, Unknown=0, NotChecked=0, Total=2162 [2024-07-20 19:36:25,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:25,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:36:25,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.723404255319149) internal successors, (175), 46 states have internal predecessors, (175), 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) [2024-07-20 19:36:25,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:25,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:25,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:25,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:25,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:25,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:25,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:25,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:25,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:25,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:36:25,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-07-20 19:36:25,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:25,486 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:25,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:25,486 INFO L85 PathProgramCache]: Analyzing trace with hash -137860585, now seen corresponding path program 8 times [2024-07-20 19:36:25,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:25,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769745412] [2024-07-20 19:36:25,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:25,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 78 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:36:25,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:25,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769745412] [2024-07-20 19:36:25,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769745412] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:25,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657184432] [2024-07-20 19:36:25,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 19:36:25,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:25,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:25,821 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) [2024-07-20 19:36:25,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-07-20 19:36:25,926 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 19:36:25,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:36:25,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 21 conjunts are in the unsatisfiable core [2024-07-20 19:36:25,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:36:26,321 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 117 proven. 37 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-07-20 19:36:26,321 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:36:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 28 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-07-20 19:36:26,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657184432] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:36:26,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:36:26,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 19] total 55 [2024-07-20 19:36:26,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735409904] [2024-07-20 19:36:26,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:36:26,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-07-20 19:36:26,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:36:26,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-07-20 19:36:26,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=600, Invalid=2480, Unknown=0, NotChecked=0, Total=3080 [2024-07-20 19:36:26,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:26,735 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:36:26,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.142857142857143) internal successors, (176), 55 states have internal predecessors, (176), 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) [2024-07-20 19:36:26,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:26,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:26,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:26,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:26,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:26,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:26,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:26,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:36:26,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:36:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:36:26,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-07-20 19:36:27,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-07-20 19:36:27,056 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:27,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:27,057 INFO L85 PathProgramCache]: Analyzing trace with hash -2074509609, now seen corresponding path program 9 times [2024-07-20 19:36:27,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:27,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223346061] [2024-07-20 19:36:27,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:27,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:27,350 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 21 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:36:27,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:27,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223346061] [2024-07-20 19:36:27,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223346061] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:27,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624694932] [2024-07-20 19:36:27,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 19:36:27,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:27,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:27,352 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) [2024-07-20 19:36:27,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-07-20 19:36:27,550 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-07-20 19:36:27,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:36:27,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 24 conjunts are in the unsatisfiable core [2024-07-20 19:36:27,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:36:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 96 proven. 82 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:36:28,138 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:36:28,786 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 142 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:36:28,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624694932] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:36:28,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:36:28,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22, 22] total 60 [2024-07-20 19:36:28,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498934405] [2024-07-20 19:36:28,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:36:28,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-07-20 19:36:28,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:36:28,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-07-20 19:36:28,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=566, Invalid=3094, Unknown=0, NotChecked=0, Total=3660 [2024-07-20 19:36:28,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:28,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:36:28,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 3.540983606557377) internal successors, (216), 60 states have internal predecessors, (216), 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) [2024-07-20 19:36:28,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:28,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:28,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:28,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:28,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:28,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:28,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:28,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:36:28,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:36:28,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:29,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:29,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:29,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:29,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:29,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:29,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:29,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:29,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:36:29,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:36:29,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:36:29,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-07-20 19:36:29,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:29,673 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:29,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:29,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1577854633, now seen corresponding path program 10 times [2024-07-20 19:36:29,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:29,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257911257] [2024-07-20 19:36:29,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:29,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:30,143 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 385 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:36:30,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:30,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257911257] [2024-07-20 19:36:30,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257911257] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:30,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039945183] [2024-07-20 19:36:30,145 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 19:36:30,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:30,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:30,159 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) [2024-07-20 19:36:30,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-07-20 19:36:30,273 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 19:36:30,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:36:30,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 33 conjunts are in the unsatisfiable core [2024-07-20 19:36:30,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:36:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-07-20 19:36:31,208 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:36:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 238 proven. 175 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-07-20 19:36:32,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039945183] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:36:32,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:36:32,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 34, 27] total 82 [2024-07-20 19:36:32,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452011015] [2024-07-20 19:36:32,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:36:32,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-07-20 19:36:32,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:36:32,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-07-20 19:36:32,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=882, Invalid=5760, Unknown=0, NotChecked=0, Total=6642 [2024-07-20 19:36:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:32,027 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:36:32,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 3.8536585365853657) internal successors, (316), 82 states have internal predecessors, (316), 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) [2024-07-20 19:36:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:36:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:36:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:36:32,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:36,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:36,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:36,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:36:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:36:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:36:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:36:36,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-07-20 19:36:36,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-07-20 19:36:36,998 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:36,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:36,999 INFO L85 PathProgramCache]: Analyzing trace with hash 66816188, now seen corresponding path program 11 times [2024-07-20 19:36:36,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:36,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414198766] [2024-07-20 19:36:36,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:36,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:38,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 589 proven. 439 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:36:38,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:38,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414198766] [2024-07-20 19:36:38,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414198766] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:38,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118034725] [2024-07-20 19:36:38,838 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 19:36:38,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:38,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:38,839 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) [2024-07-20 19:36:38,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-07-20 19:36:39,394 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-07-20 19:36:39,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:36:39,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 33 conjunts are in the unsatisfiable core [2024-07-20 19:36:39,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:36:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 962 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:36:40,688 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:36:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 962 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:36:41,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118034725] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:36:41,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:36:41,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 30, 30] total 118 [2024-07-20 19:36:41,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278816958] [2024-07-20 19:36:41,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:36:41,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2024-07-20 19:36:41,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:36:41,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2024-07-20 19:36:41,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1879, Invalid=12163, Unknown=0, NotChecked=0, Total=14042 [2024-07-20 19:36:41,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:41,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:36:41,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 119 states have (on average 3.9327731092436973) internal successors, (468), 118 states have internal predecessors, (468), 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) [2024-07-20 19:36:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:36:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:36:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:36:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:36:41,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:41,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:36:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:36:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:36:41,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:36:41,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:36:41,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-07-20 19:36:42,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-07-20 19:36:42,136 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:42,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:42,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1645396156, now seen corresponding path program 12 times [2024-07-20 19:36:42,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:42,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895799561] [2024-07-20 19:36:42,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:42,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 136 proven. 979 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:36:43,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:43,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895799561] [2024-07-20 19:36:43,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895799561] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:43,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958596099] [2024-07-20 19:36:43,163 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-20 19:36:43,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:43,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:43,174 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) [2024-07-20 19:36:43,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-07-20 19:36:44,037 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-07-20 19:36:44,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:36:44,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 41 conjunts are in the unsatisfiable core [2024-07-20 19:36:44,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:36:45,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 754 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:36:45,354 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:36:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 962 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:36:46,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958596099] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:36:46,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:36:46,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 39, 39] total 111 [2024-07-20 19:36:46,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294520444] [2024-07-20 19:36:46,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:36:46,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2024-07-20 19:36:46,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:36:46,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2024-07-20 19:36:46,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1498, Invalid=10934, Unknown=0, NotChecked=0, Total=12432 [2024-07-20 19:36:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:46,907 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:36:46,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 4.330357142857143) internal successors, (485), 111 states have internal predecessors, (485), 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) [2024-07-20 19:36:46,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:46,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:46,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:46,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:46,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:46,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:46,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:46,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:36:46,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:36:46,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:36:46,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:36:46,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:36:46,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:36:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:36:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:36:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:36:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:36:48,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:48,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-07-20 19:36:48,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:48,496 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:48,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:48,497 INFO L85 PathProgramCache]: Analyzing trace with hash 941419633, now seen corresponding path program 13 times [2024-07-20 19:36:48,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:48,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761439148] [2024-07-20 19:36:48,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:48,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1642 proven. 485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:36:52,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:52,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761439148] [2024-07-20 19:36:52,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761439148] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:52,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268719274] [2024-07-20 19:36:52,002 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-20 19:36:52,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:52,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:52,005 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) [2024-07-20 19:36:52,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-07-20 19:36:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:52,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 43 conjunts are in the unsatisfiable core [2024-07-20 19:36:52,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:36:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1318 proven. 223 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2024-07-20 19:36:53,992 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:36:55,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1370 proven. 171 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2024-07-20 19:36:55,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268719274] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:36:55,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:36:55,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 41, 41] total 164 [2024-07-20 19:36:55,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668367291] [2024-07-20 19:36:55,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:36:55,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2024-07-20 19:36:55,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:36:55,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2024-07-20 19:36:55,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4130, Invalid=22930, Unknown=0, NotChecked=0, Total=27060 [2024-07-20 19:36:55,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:55,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:36:55,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 2.775757575757576) internal successors, (458), 164 states have internal predecessors, (458), 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) [2024-07-20 19:36:55,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:55,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:55,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:55,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:55,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:55,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:55,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:55,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:36:55,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:36:55,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:36:55,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:36:55,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:36:55,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:55,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:36:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:36:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:36:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:36:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:36:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:36:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:36:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:36:56,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:36:56,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:36:56,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:36:56,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:36:56,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-07-20 19:36:56,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:56,295 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:36:56,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:36:56,295 INFO L85 PathProgramCache]: Analyzing trace with hash 228085681, now seen corresponding path program 14 times [2024-07-20 19:36:56,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:36:56,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101879420] [2024-07-20 19:36:56,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:36:56,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:36:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:36:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1642 proven. 504 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:36:59,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:36:59,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101879420] [2024-07-20 19:36:59,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101879420] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:36:59,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589004451] [2024-07-20 19:36:59,839 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 19:36:59,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:36:59,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:36:59,840 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:36:59,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-07-20 19:37:00,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 19:37:00,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:37:00,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 45 conjunts are in the unsatisfiable core [2024-07-20 19:37:00,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:37:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1378 proven. 217 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-07-20 19:37:01,494 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:37:03,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1405 proven. 190 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-07-20 19:37:03,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589004451] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:37:03,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:37:03,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 43, 43] total 169 [2024-07-20 19:37:03,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158791510] [2024-07-20 19:37:03,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:37:03,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2024-07-20 19:37:03,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:37:03,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2024-07-20 19:37:03,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4383, Invalid=24347, Unknown=0, NotChecked=0, Total=28730 [2024-07-20 19:37:03,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:37:03,648 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:37:03,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 2.7470588235294118) internal successors, (467), 169 states have internal predecessors, (467), 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) [2024-07-20 19:37:03,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:37:03,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:37:03,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:37:03,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:37:03,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:37:03,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:37:03,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:37:03,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:37:03,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:37:03,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:37:03,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:37:03,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:37:03,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:37:03,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:37:03,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:37:03,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:37:03,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:37:03,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:37:03,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:37:03,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:37:03,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:37:03,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:37:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:37:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:37:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:37:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:37:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:37:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:37:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:37:03,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:37:03,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-07-20 19:37:04,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-07-20 19:37:04,174 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:37:04,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:37:04,175 INFO L85 PathProgramCache]: Analyzing trace with hash -410430351, now seen corresponding path program 15 times [2024-07-20 19:37:04,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:37:04,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758200754] [2024-07-20 19:37:04,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:37:04,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:37:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:37:05,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 1829 proven. 330 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-07-20 19:37:05,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:37:05,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758200754] [2024-07-20 19:37:05,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758200754] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:37:05,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989910745] [2024-07-20 19:37:05,373 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 19:37:05,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:37:05,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:37:05,375 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:37:05,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-07-20 19:37:09,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2024-07-20 19:37:09,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:37:09,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 46 conjunts are in the unsatisfiable core [2024-07-20 19:37:09,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:37:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 1950 proven. 210 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-07-20 19:37:11,337 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:37:12,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 1950 proven. 210 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-07-20 19:37:12,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989910745] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:37:12,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:37:12,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44, 44] total 130 [2024-07-20 19:37:12,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805766028] [2024-07-20 19:37:12,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:37:12,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2024-07-20 19:37:12,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:37:12,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2024-07-20 19:37:12,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2949, Invalid=14081, Unknown=0, NotChecked=0, Total=17030 [2024-07-20 19:37:12,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:37:12,966 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:37:12,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 4.893129770992366) internal successors, (641), 130 states have internal predecessors, (641), 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) [2024-07-20 19:37:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:37:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:37:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:37:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:37:12,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:37:12,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:37:12,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:37:12,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:37:12,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:37:12,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:37:12,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:37:12,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:37:12,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:37:12,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:37:12,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:37:12,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:37:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:37:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:37:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:37:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:37:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:37:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:37:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:37:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:37:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:37:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:37:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:37:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:37:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:37:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:37:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:37:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:37:13,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-07-20 19:37:13,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-07-20 19:37:13,340 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:37:13,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:37:13,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1270409137, now seen corresponding path program 16 times [2024-07-20 19:37:13,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:37:13,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001891190] [2024-07-20 19:37:13,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:37:13,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:37:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:37:15,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 1756 proven. 431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:37:15,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:37:15,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001891190] [2024-07-20 19:37:15,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001891190] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:37:15,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599791748] [2024-07-20 19:37:15,638 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 19:37:15,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:37:15,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:37:15,640 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:37:15,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-07-20 19:37:15,790 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 19:37:15,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:37:15,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 66 conjunts are in the unsatisfiable core [2024-07-20 19:37:15,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:37:19,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 104 proven. 1851 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-07-20 19:37:19,280 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:37:22,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 1341 proven. 614 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-07-20 19:37:22,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599791748] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:37:22,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:37:22,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67, 48] total 179 [2024-07-20 19:37:22,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675529137] [2024-07-20 19:37:22,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:37:22,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 179 states [2024-07-20 19:37:22,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:37:22,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2024-07-20 19:37:22,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4736, Invalid=27126, Unknown=0, NotChecked=0, Total=31862 [2024-07-20 19:37:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:37:22,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:37:22,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 179 states, 179 states have (on average 3.4916201117318435) internal successors, (625), 179 states have internal predecessors, (625), 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) [2024-07-20 19:37:22,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:37:22,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:37:22,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:37:22,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:37:22,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:37:22,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:37:22,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:37:22,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:37:22,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:37:22,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:37:22,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:37:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:37:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:37:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:37:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:37:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:37:22,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:37:31,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:37:31,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:37:31,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:37:31,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:37:31,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:37:31,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:37:31,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:37:31,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:37:31,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:37:31,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:37:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:37:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:37:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:37:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:37:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:37:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:37:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-07-20 19:37:31,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-07-20 19:37:32,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-07-20 19:37:32,083 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:37:32,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:37:32,083 INFO L85 PathProgramCache]: Analyzing trace with hash -961820644, now seen corresponding path program 17 times [2024-07-20 19:37:32,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:37:32,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146377861] [2024-07-20 19:37:32,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:37:32,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:37:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:37:38,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 2996 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:37:38,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:37:38,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146377861] [2024-07-20 19:37:38,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146377861] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:37:38,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273161085] [2024-07-20 19:37:38,124 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 19:37:38,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:37:38,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:37:38,126 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:37:38,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-07-20 19:38:07,586 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2024-07-20 19:38:07,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:38:07,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 50 conjunts are in the unsatisfiable core [2024-07-20 19:38:07,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:38:10,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 3407 proven. 253 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-07-20 19:38:10,202 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:38:12,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 3407 proven. 253 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-07-20 19:38:12,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273161085] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:38:12,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:38:12,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [112, 48, 48] total 204 [2024-07-20 19:38:12,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877901861] [2024-07-20 19:38:12,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:38:12,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-07-20 19:38:12,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:38:12,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-07-20 19:38:12,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6458, Invalid=35362, Unknown=0, NotChecked=0, Total=41820 [2024-07-20 19:38:12,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:38:12,396 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:38:12,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 3.7365853658536587) internal successors, (766), 204 states have internal predecessors, (766), 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) [2024-07-20 19:38:12,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:38:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:38:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:38:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:38:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:38:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:38:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:38:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:38:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:38:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:38:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:38:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:38:12,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:38:12,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:38:12,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:38:12,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:38:12,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-07-20 19:38:12,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:38:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:38:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:38:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:38:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:38:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:38:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:38:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:38:12,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-07-20 19:38:12,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:38:12,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-07-20 19:38:12,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-07-20 19:38:12,909 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:38:12,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:38:12,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1390036132, now seen corresponding path program 18 times [2024-07-20 19:38:12,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:38:12,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537137812] [2024-07-20 19:38:12,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:38:12,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:38:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:38:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3859 backedges. 2996 proven. 863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:38:18,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:38:18,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537137812] [2024-07-20 19:38:18,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537137812] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:38:18,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638639673] [2024-07-20 19:38:18,213 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-20 19:38:18,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:38:18,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:38:18,214 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:38:18,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-07-20 19:38:43,506 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2024-07-20 19:38:43,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:38:43,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 58 conjunts are in the unsatisfiable core [2024-07-20 19:38:43,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:38:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3859 backedges. 3582 proven. 276 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:38:46,122 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:38:48,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3859 backedges. 3582 proven. 276 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:38:48,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638639673] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:38:48,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:38:48,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 55, 55] total 221 [2024-07-20 19:38:48,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911137959] [2024-07-20 19:38:48,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:38:48,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 222 states [2024-07-20 19:38:48,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:38:48,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2024-07-20 19:38:48,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6981, Invalid=42081, Unknown=0, NotChecked=0, Total=49062 [2024-07-20 19:38:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:38:48,945 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:38:48,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 222 states, 222 states have (on average 3.9144144144144146) internal successors, (869), 221 states have internal predecessors, (869), 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) [2024-07-20 19:38:48,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:38:48,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:38:48,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:38:48,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:38:48,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:38:48,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:38:48,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:38:48,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:38:48,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:38:48,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:38:48,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:38:48,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:38:48,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:38:48,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:38:48,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:38:48,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:38:48,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-07-20 19:38:48,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:38:48,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:38:49,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:38:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:38:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:38:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:38:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:38:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:38:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:38:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:38:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:38:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:38:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:38:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:38:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:38:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:38:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:38:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:38:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-07-20 19:38:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:38:49,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:38:49,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-07-20 19:38:49,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:38:49,435 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:38:49,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:38:49,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1177982948, now seen corresponding path program 19 times [2024-07-20 19:38:49,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:38:49,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495920555] [2024-07-20 19:38:49,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:38:49,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:38:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:38:52,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 3106 proven. 941 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:38:52,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:38:52,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495920555] [2024-07-20 19:38:52,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495920555] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:38:52,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856382143] [2024-07-20 19:38:52,856 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-20 19:38:52,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:38:52,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:38:52,857 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:38:52,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-07-20 19:38:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:38:53,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 67 conjunts are in the unsatisfiable core [2024-07-20 19:38:53,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:38:56,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 2759 proven. 553 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-07-20 19:38:56,427 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:38:59,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 2847 proven. 465 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-07-20 19:38:59,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856382143] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:38:59,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:38:59,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 65, 65] total 215 [2024-07-20 19:38:59,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128615803] [2024-07-20 19:38:59,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:38:59,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 216 states [2024-07-20 19:38:59,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:38:59,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2024-07-20 19:38:59,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8835, Invalid=37605, Unknown=0, NotChecked=0, Total=46440 [2024-07-20 19:38:59,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:38:59,069 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:38:59,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 216 states, 216 states have (on average 3.0555555555555554) internal successors, (660), 215 states have internal predecessors, (660), 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) [2024-07-20 19:38:59,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:38:59,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:38:59,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:38:59,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:38:59,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:38:59,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:38:59,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:38:59,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:38:59,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:38:59,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:38:59,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:38:59,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:38:59,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:38:59,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:38:59,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:38:59,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:38:59,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-07-20 19:38:59,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:38:59,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:38:59,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:38:59,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:38:59,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:38:59,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:38:59,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:38:59,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:38:59,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:38:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:38:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:38:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:38:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:38:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:38:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:38:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:38:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:38:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:38:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:38:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-07-20 19:38:59,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:38:59,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:38:59,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:38:59,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-07-20 19:38:59,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:38:59,505 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:38:59,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:38:59,505 INFO L85 PathProgramCache]: Analyzing trace with hash 498867036, now seen corresponding path program 20 times [2024-07-20 19:38:59,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:38:59,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794543333] [2024-07-20 19:38:59,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:38:59,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:38:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:39:01,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4079 backedges. 435 proven. 3644 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:39:01,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:39:01,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794543333] [2024-07-20 19:39:01,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794543333] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:39:01,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831157324] [2024-07-20 19:39:01,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-20 19:39:01,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:39:01,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:39:01,817 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:39:01,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-07-20 19:39:02,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-20 19:39:02,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:39:02,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 69 conjunts are in the unsatisfiable core [2024-07-20 19:39:02,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:39:05,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4079 backedges. 2839 proven. 541 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-07-20 19:39:05,288 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:39:08,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4079 backedges. 2884 proven. 496 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-07-20 19:39:08,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831157324] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:39:08,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:39:08,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 67, 67] total 195 [2024-07-20 19:39:08,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348104080] [2024-07-20 19:39:08,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:39:08,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2024-07-20 19:39:08,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:39:08,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2024-07-20 19:39:08,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5483, Invalid=32737, Unknown=0, NotChecked=0, Total=38220 [2024-07-20 19:39:08,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:39:08,695 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:39:08,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 196 states have (on average 3.4744897959183674) internal successors, (681), 195 states have internal predecessors, (681), 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) [2024-07-20 19:39:08,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:39:08,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:39:08,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:39:08,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:39:08,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:39:08,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:39:08,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:39:08,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:39:08,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:39:08,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:39:08,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:39:08,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:39:08,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:39:08,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:39:08,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:39:08,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:39:08,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-07-20 19:39:08,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:39:08,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:39:08,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:39:08,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:39:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:39:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:39:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:39:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:39:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:39:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:39:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:39:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:39:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:39:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:39:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:39:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:39:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:39:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:39:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:39:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:39:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-07-20 19:39:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:39:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:39:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:39:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-07-20 19:39:11,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-07-20 19:39:11,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-07-20 19:39:11,637 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:39:11,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:39:11,638 INFO L85 PathProgramCache]: Analyzing trace with hash -288557796, now seen corresponding path program 21 times [2024-07-20 19:39:11,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:39:11,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320231548] [2024-07-20 19:39:11,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:39:11,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:39:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:39:20,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 5136 proven. 1291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:39:20,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:39:20,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320231548] [2024-07-20 19:39:20,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320231548] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:39:20,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585389174] [2024-07-20 19:39:20,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-20 19:39:20,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:39:20,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:39:20,273 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:39:20,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-07-20 19:46:10,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 38 check-sat command(s) [2024-07-20 19:46:10,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:46:10,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 75 conjunts are in the unsatisfiable core [2024-07-20 19:46:10,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:46:15,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 5899 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:46:15,778 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:46:21,992 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 5899 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-20 19:46:21,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585389174] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:46:21,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:46:21,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [146, 73, 73] total 289 [2024-07-20 19:46:21,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550348420] [2024-07-20 19:46:21,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:46:21,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 290 states [2024-07-20 19:46:21,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:46:21,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 290 interpolants. [2024-07-20 19:46:22,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13175, Invalid=70635, Unknown=0, NotChecked=0, Total=83810 [2024-07-20 19:46:22,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:46:22,002 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:46:22,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 290 states, 290 states have (on average 3.8448275862068964) internal successors, (1115), 289 states have internal predecessors, (1115), 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) [2024-07-20 19:46:22,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:46:22,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:46:22,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:46:22,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:46:22,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:46:22,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:46:22,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:46:22,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:46:22,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:46:22,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:46:22,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:46:22,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:46:22,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:46:22,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:46:22,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:46:22,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:46:22,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-07-20 19:46:22,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:46:22,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:46:22,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:46:22,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-07-20 19:46:22,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:46:22,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:46:22,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:46:22,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:46:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:46:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:46:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:46:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:46:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:46:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:46:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:46:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:46:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:46:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:46:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:46:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:46:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:46:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-07-20 19:46:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:46:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:46:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:46:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-07-20 19:46:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-07-20 19:46:22,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-07-20 19:46:22,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-07-20 19:46:22,532 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:46:22,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:46:22,532 INFO L85 PathProgramCache]: Analyzing trace with hash -2021905124, now seen corresponding path program 22 times [2024-07-20 19:46:22,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:46:22,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271926605] [2024-07-20 19:46:22,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:46:22,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:46:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:46:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 6640 backedges. 5278 proven. 1361 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-20 19:46:28,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:46:28,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271926605] [2024-07-20 19:46:28,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271926605] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:46:28,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815022358] [2024-07-20 19:46:28,805 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-20 19:46:28,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:46:28,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:46:28,806 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:46:28,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-07-20 19:46:29,078 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-20 19:46:29,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-20 19:46:29,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 113 conjunts are in the unsatisfiable core [2024-07-20 19:46:29,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-20 19:46:36,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6640 backedges. 0 proven. 5899 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-07-20 19:46:36,620 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-20 19:46:42,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6640 backedges. 4170 proven. 1729 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-07-20 19:46:42,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815022358] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-20 19:46:42,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-20 19:46:42,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 114, 81] total 305 [2024-07-20 19:46:42,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990385620] [2024-07-20 19:46:42,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-20 19:46:42,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 305 states [2024-07-20 19:46:42,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-20 19:46:42,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 305 interpolants. [2024-07-20 19:46:42,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13111, Invalid=79609, Unknown=0, NotChecked=0, Total=92720 [2024-07-20 19:46:42,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:46:42,574 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-20 19:46:42,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 305 states, 305 states have (on average 3.4885245901639346) internal successors, (1064), 305 states have internal predecessors, (1064), 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) [2024-07-20 19:46:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:46:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:46:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:46:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:46:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:46:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:46:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:46:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:46:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:46:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:46:42,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:46:42,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:46:42,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:46:42,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:46:42,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:46:42,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:46:42,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-07-20 19:46:42,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:46:42,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:46:42,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:46:42,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-07-20 19:46:42,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-07-20 19:46:42,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-20 19:47:09,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-20 19:47:09,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-20 19:47:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:47:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:47:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:47:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-20 19:47:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-20 19:47:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-20 19:47:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-20 19:47:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-07-20 19:47:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-07-20 19:47:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-20 19:47:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-07-20 19:47:09,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-20 19:47:09,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-20 19:47:09,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-20 19:47:09,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-07-20 19:47:09,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-20 19:47:09,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:47:09,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-20 19:47:09,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-07-20 19:47:09,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-07-20 19:47:09,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2024-07-20 19:47:09,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-07-20 19:47:09,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:47:09,668 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-20 19:47:09,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-20 19:47:09,669 INFO L85 PathProgramCache]: Analyzing trace with hash -859746174, now seen corresponding path program 23 times [2024-07-20 19:47:09,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-20 19:47:09,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947717664] [2024-07-20 19:47:09,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-20 19:47:09,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-20 19:47:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-20 19:47:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 8546 backedges. 7494 proven. 1008 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-07-20 19:47:13,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-20 19:47:13,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947717664] [2024-07-20 19:47:13,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947717664] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-20 19:47:13,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426030824] [2024-07-20 19:47:13,457 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-20 19:47:13,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-20 19:47:13,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-20 19:47:13,458 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-20 19:47:13,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process