./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/fib_safe-5.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-local/fib_safe-5.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee 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/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/fib_safe-5.i ./goblint.2024-08-08_07-59-58.files/protection-local/fib_safe-5.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 08:51:42,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 08:51:42,759 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 08:51:42,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 08:51:42,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 08:51:42,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 08:51:42,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 08:51:42,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 08:51:42,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 08:51:42,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 08:51:42,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 08:51:42,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 08:51:42,794 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 08:51:42,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 08:51:42,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 08:51:42,794 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 08:51:42,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 08:51:42,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 08:51:42,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 08:51:42,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 08:51:42,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 08:51:42,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 08:51:42,796 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 08:51:42,797 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 08:51:42,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 08:51:42,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 08:51:42,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 08:51:42,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 08:51:42,797 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 08:51:42,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 08:51:42,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 08:51:42,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 08:51:42,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 08:51:42,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 08:51:42,798 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 08:51:42,798 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 08:51:42,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 08:51:42,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 08:51:42,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 08:51:42,799 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 08:51:42,799 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 08:51:42,800 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 08:51:42,801 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 08:51:43,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 08:51:43,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 08:51:43,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 08:51:43,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 08:51:43,046 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 08:51:43,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_safe-5.i [2024-08-14 08:51:44,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 08:51:44,510 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 08:51:44,511 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-5.i [2024-08-14 08:51:44,533 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/845d38b85/aaaf6c5365624227bf60082d372ccfd8/FLAGb4b731f1c [2024-08-14 08:51:44,547 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/845d38b85/aaaf6c5365624227bf60082d372ccfd8 [2024-08-14 08:51:44,549 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 08:51:44,549 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 08:51:44,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-local/fib_safe-5.yml/witness.yml [2024-08-14 08:51:44,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 08:51:44,649 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 08:51:44,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 08:51:44,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 08:51:44,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 08:51:44,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:51:44" (1/2) ... [2024-08-14 08:51:44,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa71b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:51:44, skipping insertion in model container [2024-08-14 08:51:44,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:51:44" (1/2) ... [2024-08-14 08:51:44,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b4a8b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:51:44, skipping insertion in model container [2024-08-14 08:51:44,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 08:51:44" (2/2) ... [2024-08-14 08:51:44,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa71b78 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:51:44, skipping insertion in model container [2024-08-14 08:51:44,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 08:51:44" (2/2) ... [2024-08-14 08:51:44,658 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 08:51:44,661 INFO L92 edCorrectnessWitness]: Witness did not contain any usable entries. [2024-08-14 08:51:44,703 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 08:51:44,957 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-5.i[30241,30254] [2024-08-14 08:51:44,979 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 08:51:44,989 INFO L202 MainTranslator]: Completed pre-run [2024-08-14 08:51:45,028 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-5.i[30241,30254] [2024-08-14 08:51:45,033 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 08:51:45,065 INFO L206 MainTranslator]: Completed translation [2024-08-14 08:51:45,067 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:51:45 WrapperNode [2024-08-14 08:51:45,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 08:51:45,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 08:51:45,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 08:51:45,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 08:51:45,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:51:45" (1/1) ... [2024-08-14 08:51:45,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:51:45" (1/1) ... [2024-08-14 08:51:45,108 INFO L138 Inliner]: procedures = 164, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-08-14 08:51:45,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 08:51:45,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 08:51:45,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 08:51:45,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 08:51:45,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:51:45" (1/1) ... [2024-08-14 08:51:45,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:51:45" (1/1) ... [2024-08-14 08:51:45,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:51:45" (1/1) ... [2024-08-14 08:51:45,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:51:45" (1/1) ... [2024-08-14 08:51:45,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:51:45" (1/1) ... [2024-08-14 08:51:45,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:51:45" (1/1) ... [2024-08-14 08:51:45,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:51:45" (1/1) ... [2024-08-14 08:51:45,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:51:45" (1/1) ... [2024-08-14 08:51:45,137 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 08:51:45,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 08:51:45,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 08:51:45,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 08:51:45,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:51:45" (1/1) ... [2024-08-14 08:51:45,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 08:51:45,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:51:45,170 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) [2024-08-14 08:51:45,172 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 [2024-08-14 08:51:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-08-14 08:51:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-08-14 08:51:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-08-14 08:51:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-08-14 08:51:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 08:51:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 08:51:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 08:51:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 08:51:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 08:51:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 08:51:45,206 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 08:51:45,305 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 08:51:45,307 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 08:51:45,422 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 08:51:45,422 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 08:51:45,503 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 08:51:45,504 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-08-14 08:51:45,505 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:51:45 BoogieIcfgContainer [2024-08-14 08:51:45,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 08:51:45,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 08:51:45,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 08:51:45,511 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 08:51:45,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 08:51:44" (1/4) ... [2024-08-14 08:51:45,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbce8ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 08:51:45, skipping insertion in model container [2024-08-14 08:51:45,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 08:51:44" (2/4) ... [2024-08-14 08:51:45,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbce8ae and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 08:51:45, skipping insertion in model container [2024-08-14 08:51:45,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 08:51:45" (3/4) ... [2024-08-14 08:51:45,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbce8ae and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 08:51:45, skipping insertion in model container [2024-08-14 08:51:45,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:51:45" (4/4) ... [2024-08-14 08:51:45,515 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-5.i [2024-08-14 08:51:45,529 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 08:51:45,529 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 08:51:45,529 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 08:51:45,554 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-14 08:51:45,586 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 08:51:45,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 08:51:45,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:51:45,588 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) [2024-08-14 08:51:45,589 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 [2024-08-14 08:51:45,619 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 08:51:45,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 08:51:45,638 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=false, 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;@9d4d9a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 08:51:45,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-14 08:51:45,733 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:51:45,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:51:45,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1703157173, now seen corresponding path program 1 times [2024-08-14 08:51:45,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:51:45,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368936963] [2024-08-14 08:51:45,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:51:45,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:51:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:51:45,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:45,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:51:45,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368936963] [2024-08-14 08:51:45,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368936963] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 08:51:45,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 08:51:45,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 08:51:45,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685128595] [2024-08-14 08:51:45,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 08:51:46,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 08:51:46,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:51:46,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 08:51:46,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 08:51:46,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:51:46,043 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:51:46,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-08-14 08:51:46,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:51:46,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:51:46,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 08:51:46,090 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:51:46,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:51:46,090 INFO L85 PathProgramCache]: Analyzing trace with hash 311074172, now seen corresponding path program 1 times [2024-08-14 08:51:46,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:51:46,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637246842] [2024-08-14 08:51:46,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:51:46,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:51:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:51:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:46,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:51:46,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637246842] [2024-08-14 08:51:46,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637246842] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:51:46,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967113823] [2024-08-14 08:51:46,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:51:46,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:51:46,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:51:46,198 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) [2024-08-14 08:51:46,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-14 08:51:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:51:46,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-14 08:51:46,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:51:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:46,340 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:51:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:46,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967113823] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:51:46,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:51:46,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-08-14 08:51:46,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879704990] [2024-08-14 08:51:46,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:51:46,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 08:51:46,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:51:46,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 08:51:46,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-08-14 08:51:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:51:46,395 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:51:46,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 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) [2024-08-14 08:51:46,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:51:46,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:51:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:51:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:51:46,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-14 08:51:46,674 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,SelfDestructingSolverStorable1 [2024-08-14 08:51:46,675 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:51:46,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:51:46,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1499777035, now seen corresponding path program 2 times [2024-08-14 08:51:46,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:51:46,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361566005] [2024-08-14 08:51:46,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:51:46,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:51:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:51:46,819 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:46,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:51:46,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361566005] [2024-08-14 08:51:46,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361566005] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:51:46,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813558251] [2024-08-14 08:51:46,820 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 08:51:46,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:51:46,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:51:46,822 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) [2024-08-14 08:51:46,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-14 08:51:46,884 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 08:51:46,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 08:51:46,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-14 08:51:46,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:51:46,941 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:46,942 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:51:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:47,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813558251] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:51:47,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:51:47,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-08-14 08:51:47,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392027563] [2024-08-14 08:51:47,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:51:47,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-08-14 08:51:47,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:51:47,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-08-14 08:51:47,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-08-14 08:51:47,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:51:47,060 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:51:47,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 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) [2024-08-14 08:51:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:51:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:51:47,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:51:47,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:51:47,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:51:47,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:51:47,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-08-14 08:51:47,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:51:47,366 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:51:47,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:51:47,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1238457173, now seen corresponding path program 3 times [2024-08-14 08:51:47,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:51:47,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032242269] [2024-08-14 08:51:47,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:51:47,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:51:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:51:47,683 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:47,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:51:47,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032242269] [2024-08-14 08:51:47,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032242269] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:51:47,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380928680] [2024-08-14 08:51:47,685 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 08:51:47,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:51:47,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:51:47,687 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) [2024-08-14 08:51:47,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-14 08:51:47,770 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-08-14 08:51:47,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 08:51:47,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-14 08:51:47,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:51:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:47,987 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-14 08:51:47,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380928680] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 08:51:47,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-14 08:51:47,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 24 [2024-08-14 08:51:47,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965548036] [2024-08-14 08:51:47,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 08:51:47,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-08-14 08:51:47,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:51:47,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-08-14 08:51:47,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-08-14 08:51:47,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:51:47,989 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:51:47,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 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) [2024-08-14 08:51:47,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:51:47,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:51:47,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:51:47,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:51:48,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:51:48,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:51:48,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:51:48,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:51:48,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-08-14 08:51:48,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:51:48,295 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:51:48,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:51:48,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1998446075, now seen corresponding path program 1 times [2024-08-14 08:51:48,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:51:48,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783532816] [2024-08-14 08:51:48,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:51:48,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:51:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:51:48,504 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:48,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:51:48,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783532816] [2024-08-14 08:51:48,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783532816] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:51:48,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383088688] [2024-08-14 08:51:48,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:51:48,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:51:48,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:51:48,511 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) [2024-08-14 08:51:48,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-14 08:51:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:51:48,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjunts are in the unsatisfiable core [2024-08-14 08:51:48,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:51:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-08-14 08:51:48,711 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-14 08:51:48,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383088688] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 08:51:48,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-14 08:51:48,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-08-14 08:51:48,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387975345] [2024-08-14 08:51:48,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 08:51:48,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-14 08:51:48,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:51:48,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-14 08:51:48,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2024-08-14 08:51:48,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:51:48,712 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:51:48,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 08:51:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:51:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:51:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:51:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:51:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:51:48,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:51:48,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:51:48,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:51:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:51:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:51:48,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-08-14 08:51:48,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:51:48,992 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:51:48,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:51:48,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1591308688, now seen corresponding path program 1 times [2024-08-14 08:51:48,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:51:48,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339733569] [2024-08-14 08:51:48,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:51:48,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:51:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:51:49,153 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:49,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:51:49,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339733569] [2024-08-14 08:51:49,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339733569] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:51:49,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182260253] [2024-08-14 08:51:49,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:51:49,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:51:49,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:51:49,155 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) [2024-08-14 08:51:49,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-14 08:51:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:51:49,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-14 08:51:49,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:51:49,273 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:49,273 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:51:49,401 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:49,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182260253] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:51:49,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:51:49,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 15 [2024-08-14 08:51:49,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085842934] [2024-08-14 08:51:49,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:51:49,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-08-14 08:51:49,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:51:49,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-08-14 08:51:49,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2024-08-14 08:51:49,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:51:49,403 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:51:49,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 15 states have internal predecessors, (76), 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) [2024-08-14 08:51:49,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:51:49,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:51:49,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:51:49,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:51:49,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:51:49,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:51:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:51:49,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:51:49,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:51:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:51:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:51:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:51:49,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-08-14 08:51:49,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:51:49,668 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:51:49,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:51:49,668 INFO L85 PathProgramCache]: Analyzing trace with hash -574885104, now seen corresponding path program 2 times [2024-08-14 08:51:49,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:51:49,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124936180] [2024-08-14 08:51:49,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:51:49,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:51:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:51:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:50,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:51:50,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124936180] [2024-08-14 08:51:50,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124936180] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:51:50,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29329232] [2024-08-14 08:51:50,800 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 08:51:50,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:51:50,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:51:50,805 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) [2024-08-14 08:51:50,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-14 08:51:50,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 08:51:50,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 08:51:50,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 08:51:50,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:51:52,180 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:52,181 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:51:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:51:53,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29329232] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:51:53,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:51:53,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 08:51:53,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188549840] [2024-08-14 08:51:53,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:51:53,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 08:51:53,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:51:53,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 08:51:53,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=717, Invalid=6423, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 08:51:53,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:51:53,930 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:51:53,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 08:51:53,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:51:53,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:51:53,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:51:53,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:51:53,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:51:53,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:51:53,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:52:04,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:52:04,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:52:04,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:52:04,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:52:04,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:52:04,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:52:04,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-08-14 08:52:04,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-08-14 08:52:04,743 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,SelfDestructingSolverStorable6 [2024-08-14 08:52:04,743 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:52:04,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:52:04,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1543715110, now seen corresponding path program 3 times [2024-08-14 08:52:04,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:52:04,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620644756] [2024-08-14 08:52:04,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:52:04,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:52:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:52:05,659 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:52:05,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:52:05,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620644756] [2024-08-14 08:52:05,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620644756] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:52:05,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733613846] [2024-08-14 08:52:05,660 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 08:52:05,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:52:05,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:52:05,662 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) [2024-08-14 08:52:05,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-14 08:52:05,739 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-08-14 08:52:05,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 08:52:05,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 08:52:05,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:52:06,824 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:52:06,824 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:52:08,107 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:52:08,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733613846] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:52:08,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:52:08,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 08:52:08,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928571449] [2024-08-14 08:52:08,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:52:08,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 08:52:08,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:52:08,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 08:52:08,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=693, Invalid=6447, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 08:52:08,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:52:08,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:52:08,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 08:52:08,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:52:08,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:52:08,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:52:08,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:52:08,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:52:08,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:52:08,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-08-14 08:52:08,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:52:25,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:52:25,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:52:25,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:52:25,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:52:25,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:52:25,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:52:25,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-08-14 08:52:25,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-08-14 08:52:25,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-08-14 08:52:25,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:52:25,996 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:52:25,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:52:25,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1907309328, now seen corresponding path program 4 times [2024-08-14 08:52:25,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:52:25,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343964338] [2024-08-14 08:52:25,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:52:25,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:52:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:52:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:52:26,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:52:26,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343964338] [2024-08-14 08:52:26,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343964338] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:52:26,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043886982] [2024-08-14 08:52:26,870 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-14 08:52:26,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:52:26,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:52:26,872 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) [2024-08-14 08:52:26,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-14 08:52:26,928 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-14 08:52:26,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 08:52:26,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 08:52:26,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:52:27,885 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:52:27,885 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:52:29,180 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:52:29,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043886982] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:52:29,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:52:29,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 08:52:29,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147158997] [2024-08-14 08:52:29,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:52:29,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 08:52:29,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:52:29,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 08:52:29,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=702, Invalid=6438, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 08:52:29,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:52:29,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:52:29,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 08:52:29,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:52:29,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:52:29,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:52:29,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:52:29,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:52:29,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:52:29,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-08-14 08:52:29,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-08-14 08:52:29,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:52:44,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:52:44,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:52:44,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:52:44,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:52:44,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:52:44,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:52:44,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2024-08-14 08:52:44,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-08-14 08:52:44,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-08-14 08:52:44,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-08-14 08:52:44,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:52:44,267 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:52:44,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:52:44,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1117780848, now seen corresponding path program 5 times [2024-08-14 08:52:44,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:52:44,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129146603] [2024-08-14 08:52:44,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:52:44,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:52:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:52:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:52:45,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:52:45,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129146603] [2024-08-14 08:52:45,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129146603] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:52:45,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148763939] [2024-08-14 08:52:45,126 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-14 08:52:45,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:52:45,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:52:45,127 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) [2024-08-14 08:52:45,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-14 08:52:45,185 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-08-14 08:52:45,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 08:52:45,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 08:52:45,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:52:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:52:46,194 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:52:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:52:47,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148763939] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:52:47,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:52:47,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 08:52:47,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93225010] [2024-08-14 08:52:47,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:52:47,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 08:52:47,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:52:47,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 08:52:47,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=725, Invalid=6415, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 08:52:47,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:52:47,456 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:52:47,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 08:52:47,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:52:47,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:52:47,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:52:47,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:52:47,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:52:47,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:52:47,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2024-08-14 08:52:47,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-08-14 08:52:47,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-08-14 08:52:47,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:53:14,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:53:14,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:53:14,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:53:14,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:53:14,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:53:14,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:53:14,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-08-14 08:53:14,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-08-14 08:53:14,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-08-14 08:53:14,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-08-14 08:53:14,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-08-14 08:53:14,300 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,SelfDestructingSolverStorable9 [2024-08-14 08:53:14,301 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:53:14,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:53:14,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1835688602, now seen corresponding path program 6 times [2024-08-14 08:53:14,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:53:14,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019368602] [2024-08-14 08:53:14,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:53:14,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:53:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:53:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:53:15,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:53:15,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019368602] [2024-08-14 08:53:15,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019368602] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:53:15,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167854563] [2024-08-14 08:53:15,004 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-14 08:53:15,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:53:15,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:53:15,006 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) [2024-08-14 08:53:15,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-14 08:53:15,064 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-08-14 08:53:15,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 08:53:15,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 08:53:15,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:53:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:53:16,102 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:53:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:53:17,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167854563] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:53:17,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:53:17,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 08:53:17,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891750578] [2024-08-14 08:53:17,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:53:17,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 08:53:17,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:53:17,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 08:53:17,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=694, Invalid=6446, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 08:53:17,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:53:17,443 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:53:17,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 08:53:17,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:53:17,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:53:17,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:53:17,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:53:17,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:53:17,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:53:17,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2024-08-14 08:53:17,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-08-14 08:53:17,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-08-14 08:53:17,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-08-14 08:53:17,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:54:15,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:54:15,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:54:15,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:54:15,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:54:15,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:54:15,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:54:15,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2024-08-14 08:54:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-08-14 08:54:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-08-14 08:54:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-08-14 08:54:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2024-08-14 08:54:15,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-08-14 08:54:15,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:54:15,381 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:54:15,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:54:15,381 INFO L85 PathProgramCache]: Analyzing trace with hash -42452336, now seen corresponding path program 7 times [2024-08-14 08:54:15,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:54:15,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177044897] [2024-08-14 08:54:15,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:54:15,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:54:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:54:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:54:16,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:54:16,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177044897] [2024-08-14 08:54:16,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177044897] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:54:16,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009860797] [2024-08-14 08:54:16,027 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-14 08:54:16,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:54:16,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:54:16,029 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) [2024-08-14 08:54:16,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-14 08:54:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:54:16,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 08:54:16,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:54:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:54:17,088 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:54:18,394 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:54:18,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009860797] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:54:18,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:54:18,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 08:54:18,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081024674] [2024-08-14 08:54:18,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:54:18,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 08:54:18,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:54:18,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 08:54:18,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=722, Invalid=6418, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 08:54:18,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:54:18,397 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:54:18,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 08:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2024-08-14 08:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2024-08-14 08:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-08-14 08:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-08-14 08:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 191 states. [2024-08-14 08:54:18,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:54:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:54:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:54:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:54:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:54:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:54:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:54:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2024-08-14 08:54:50,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2024-08-14 08:54:50,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2024-08-14 08:54:50,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2024-08-14 08:54:50,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-08-14 08:54:50,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2024-08-14 08:54:50,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-08-14 08:54:50,677 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,SelfDestructingSolverStorable11 [2024-08-14 08:54:50,678 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:54:50,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:54:50,678 INFO L85 PathProgramCache]: Analyzing trace with hash -687363312, now seen corresponding path program 8 times [2024-08-14 08:54:50,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:54:50,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783997057] [2024-08-14 08:54:50,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:54:50,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:54:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:54:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:54:51,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:54:51,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783997057] [2024-08-14 08:54:51,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783997057] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:54:51,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453829006] [2024-08-14 08:54:51,345 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 08:54:51,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:54:51,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:54:51,346 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) [2024-08-14 08:54:51,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-14 08:54:51,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 08:54:51,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 08:54:51,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 08:54:51,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:54:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:54:52,372 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:54:53,586 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:54:53,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453829006] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:54:53,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:54:53,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 08:54:53,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122182234] [2024-08-14 08:54:53,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:54:53,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 08:54:53,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:54:53,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 08:54:53,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=712, Invalid=6428, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 08:54:53,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:54:53,590 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:54:53,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 08:54:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:54:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:54:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:54:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:54:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:54:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:54:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2024-08-14 08:54:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2024-08-14 08:54:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2024-08-14 08:54:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2024-08-14 08:54:53,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-08-14 08:54:53,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2024-08-14 08:54:53,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:55:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:55:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:55:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:55:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:55:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:55:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:55:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-08-14 08:55:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2024-08-14 08:55:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-08-14 08:55:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-08-14 08:55:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2024-08-14 08:55:34,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-08-14 08:55:34,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2024-08-14 08:55:34,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-08-14 08:55:34,220 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,SelfDestructingSolverStorable12 [2024-08-14 08:55:34,221 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:55:34,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:55:34,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1530346202, now seen corresponding path program 9 times [2024-08-14 08:55:34,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:55:34,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69989399] [2024-08-14 08:55:34,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:55:34,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:55:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:55:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:55:34,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:55:34,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69989399] [2024-08-14 08:55:34,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69989399] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:55:34,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333692217] [2024-08-14 08:55:34,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 08:55:34,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:55:34,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:55:34,973 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) [2024-08-14 08:55:34,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-08-14 08:55:35,034 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-08-14 08:55:35,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 08:55:35,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 08:55:35,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:55:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:55:36,015 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:55:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:55:37,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333692217] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:55:37,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:55:37,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 08:55:37,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54585616] [2024-08-14 08:55:37,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:55:37,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 08:55:37,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:55:37,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 08:55:37,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=826, Invalid=6314, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 08:55:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:55:37,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:55:37,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 08:55:37,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:55:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:55:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:55:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:55:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:55:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:55:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-08-14 08:55:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2024-08-14 08:55:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2024-08-14 08:55:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-08-14 08:55:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2024-08-14 08:55:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-08-14 08:55:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2024-08-14 08:55:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:56:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:56:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:56:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:56:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:56:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:56:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:56:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2024-08-14 08:56:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2024-08-14 08:56:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2024-08-14 08:56:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-08-14 08:56:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-08-14 08:56:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2024-08-14 08:56:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-08-14 08:56:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-08-14 08:56:13,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-08-14 08:56:14,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-08-14 08:56:14,041 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:56:14,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:56:14,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1176358938, now seen corresponding path program 10 times [2024-08-14 08:56:14,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:56:14,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911025907] [2024-08-14 08:56:14,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:56:14,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:56:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:56:14,762 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:56:14,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:56:14,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911025907] [2024-08-14 08:56:14,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911025907] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:56:14,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365255644] [2024-08-14 08:56:14,763 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-14 08:56:14,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:56:14,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:56:14,764 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) [2024-08-14 08:56:14,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-08-14 08:56:14,825 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-14 08:56:14,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 08:56:14,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 08:56:14,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:56:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 10 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:56:15,847 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:56:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:56:17,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365255644] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:56:17,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:56:17,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 08:56:17,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149619704] [2024-08-14 08:56:17,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:56:17,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 08:56:17,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:56:17,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 08:56:17,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=861, Invalid=6279, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 08:56:17,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:56:17,075 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:56:17,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-08-14 08:56:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:57:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:57:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:57:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:57:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:57:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:57:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:57:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 315 states. [2024-08-14 08:57:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2024-08-14 08:57:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 330 states. [2024-08-14 08:57:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2024-08-14 08:57:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2024-08-14 08:57:14,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 323 states. [2024-08-14 08:57:14,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 310 states. [2024-08-14 08:57:14,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2024-08-14 08:57:14,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-08-14 08:57:14,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-08-14 08:57:14,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:57:14,208 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:57:14,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:57:14,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1817931430, now seen corresponding path program 11 times [2024-08-14 08:57:14,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:57:14,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999538266] [2024-08-14 08:57:14,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:57:14,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:57:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:57:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:57:14,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:57:14,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999538266] [2024-08-14 08:57:14,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999538266] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:57:14,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916802863] [2024-08-14 08:57:14,933 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-14 08:57:14,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:57:14,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:57:14,935 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) [2024-08-14 08:57:14,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-08-14 08:57:14,999 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-08-14 08:57:15,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 08:57:15,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 08:57:15,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:57:16,163 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:57:16,163 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:57:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:57:17,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916802863] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:57:17,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:57:17,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 08:57:17,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618207208] [2024-08-14 08:57:17,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:57:17,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 08:57:17,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:57:17,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 08:57:17,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=689, Invalid=6451, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 08:57:17,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:57:17,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:57:17,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 08:57:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:57:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:57:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:57:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:57:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:57:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:57:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 315 states. [2024-08-14 08:57:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2024-08-14 08:57:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 330 states. [2024-08-14 08:57:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2024-08-14 08:57:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2024-08-14 08:57:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 323 states. [2024-08-14 08:57:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 310 states. [2024-08-14 08:57:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2024-08-14 08:57:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-08-14 08:57:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:58:08,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 319 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 297 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 355 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-08-14 08:58:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2024-08-14 08:58:08,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-08-14 08:58:08,504 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,SelfDestructingSolverStorable15 [2024-08-14 08:58:08,504 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:58:08,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:58:08,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1874647386, now seen corresponding path program 12 times [2024-08-14 08:58:08,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:58:08,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935805375] [2024-08-14 08:58:08,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:58:08,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:58:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:58:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:58:09,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:58:09,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935805375] [2024-08-14 08:58:09,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935805375] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:58:09,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453953111] [2024-08-14 08:58:09,312 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-14 08:58:09,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:58:09,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:58:09,313 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) [2024-08-14 08:58:09,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-08-14 08:58:09,369 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-08-14 08:58:09,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 08:58:09,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 08:58:09,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:58:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:58:10,381 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:58:11,627 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:58:11,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453953111] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:58:11,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:58:11,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 08:58:11,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963653906] [2024-08-14 08:58:11,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:58:11,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 08:58:11,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:58:11,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 08:58:11,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=693, Invalid=6447, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 08:58:11,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:58:11,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:58:11,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 08:58:11,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:58:11,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:58:11,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:58:11,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:58:11,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:58:11,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:58:11,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 319 states. [2024-08-14 08:58:11,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 297 states. [2024-08-14 08:58:11,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2024-08-14 08:58:11,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 262 states. [2024-08-14 08:58:11,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-08-14 08:58:11,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 353 states. [2024-08-14 08:58:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 355 states. [2024-08-14 08:58:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2024-08-14 08:58:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2024-08-14 08:58:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2024-08-14 08:58:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:59:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:59:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:59:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:59:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:59:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:59:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:59:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2024-08-14 08:59:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 299 states. [2024-08-14 08:59:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2024-08-14 08:59:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2024-08-14 08:59:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-08-14 08:59:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 360 states. [2024-08-14 08:59:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-08-14 08:59:01,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2024-08-14 08:59:01,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2024-08-14 08:59:01,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-08-14 08:59:01,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-08-14 08:59:01,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-08-14 08:59:02,129 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,SelfDestructingSolverStorable16 [2024-08-14 08:59:02,130 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 08:59:02,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 08:59:02,130 INFO L85 PathProgramCache]: Analyzing trace with hash -993932058, now seen corresponding path program 13 times [2024-08-14 08:59:02,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 08:59:02,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220097344] [2024-08-14 08:59:02,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 08:59:02,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 08:59:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:59:02,803 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:59:02,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 08:59:02,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220097344] [2024-08-14 08:59:02,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220097344] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 08:59:02,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953609321] [2024-08-14 08:59:02,803 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-14 08:59:02,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 08:59:02,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 08:59:02,804 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) [2024-08-14 08:59:02,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-08-14 08:59:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 08:59:02,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 08:59:02,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 08:59:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 10 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:59:03,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 08:59:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 08:59:05,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953609321] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 08:59:05,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 08:59:05,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 08:59:05,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639743830] [2024-08-14 08:59:05,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 08:59:05,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 08:59:05,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 08:59:05,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 08:59:05,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=853, Invalid=6287, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 08:59:05,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 08:59:05,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 08:59:05,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 08:59:05,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 08:59:05,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 08:59:05,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 08:59:05,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:59:05,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 08:59:05,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 08:59:05,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2024-08-14 08:59:05,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 299 states. [2024-08-14 08:59:05,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2024-08-14 08:59:05,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 277 states. [2024-08-14 08:59:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-08-14 08:59:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 360 states. [2024-08-14 08:59:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-08-14 08:59:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2024-08-14 08:59:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2024-08-14 08:59:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-08-14 08:59:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-08-14 08:59:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:00:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 09:00:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:00:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 09:00:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:00:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:00:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 09:00:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2024-08-14 09:00:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 329 states. [2024-08-14 09:00:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2024-08-14 09:00:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2024-08-14 09:00:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-08-14 09:00:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 391 states. [2024-08-14 09:00:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 390 states. [2024-08-14 09:00:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2024-08-14 09:00:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2024-08-14 09:00:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2024-08-14 09:00:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 337 states. [2024-08-14 09:00:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2024-08-14 09:00:30,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-08-14 09:00:30,636 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,SelfDestructingSolverStorable17 [2024-08-14 09:00:30,637 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:00:30,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:00:30,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1852379332, now seen corresponding path program 14 times [2024-08-14 09:00:30,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:00:30,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729889935] [2024-08-14 09:00:30,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:00:30,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:00:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:00:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:00:31,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:00:31,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729889935] [2024-08-14 09:00:31,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729889935] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:00:31,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448964392] [2024-08-14 09:00:31,485 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 09:00:31,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:00:31,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:00:31,486 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) [2024-08-14 09:00:31,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-08-14 09:00:31,541 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 09:00:31,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 09:00:31,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 09:00:31,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:00:32,517 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:00:32,517 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:00:33,658 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:00:33,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448964392] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:00:33,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:00:33,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 09:00:33,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615976284] [2024-08-14 09:00:33,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:00:33,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 09:00:33,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:00:33,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 09:00:33,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=905, Invalid=6235, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 09:00:33,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:00:33,661 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:00:33,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 09:00:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 09:00:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:00:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 09:00:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:00:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:00:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 09:00:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2024-08-14 09:00:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 329 states. [2024-08-14 09:00:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 357 states. [2024-08-14 09:00:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 298 states. [2024-08-14 09:00:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-08-14 09:00:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 391 states. [2024-08-14 09:00:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 390 states. [2024-08-14 09:00:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2024-08-14 09:00:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2024-08-14 09:00:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 282 states. [2024-08-14 09:00:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 337 states. [2024-08-14 09:00:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2024-08-14 09:00:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:01:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 09:01:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:01:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 09:01:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:01:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:01:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 09:01:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 380 states. [2024-08-14 09:01:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 376 states. [2024-08-14 09:01:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 394 states. [2024-08-14 09:01:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2024-08-14 09:01:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2024-08-14 09:01:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 435 states. [2024-08-14 09:01:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 425 states. [2024-08-14 09:01:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-08-14 09:01:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2024-08-14 09:01:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2024-08-14 09:01:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-08-14 09:01:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2024-08-14 09:01:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-08-14 09:01:36,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-08-14 09:01:36,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:01:36,858 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:01:36,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:01:36,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1559808784, now seen corresponding path program 15 times [2024-08-14 09:01:36,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:01:36,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774563724] [2024-08-14 09:01:36,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:01:36,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:01:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:01:37,618 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:01:37,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:01:37,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774563724] [2024-08-14 09:01:37,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774563724] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:01:37,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719764416] [2024-08-14 09:01:37,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 09:01:37,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:01:37,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:01:37,620 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) [2024-08-14 09:01:37,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-08-14 09:01:37,676 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-08-14 09:01:37,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 09:01:37,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 09:01:37,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:01:38,610 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:01:38,610 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:01:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:01:39,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719764416] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:01:39,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:01:39,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 09:01:39,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141315319] [2024-08-14 09:01:39,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:01:39,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 09:01:39,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:01:39,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 09:01:39,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=725, Invalid=6415, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 09:01:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:01:39,805 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:01:39,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 09:01:39,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 09:01:39,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:01:39,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 09:01:39,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:01:39,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:01:39,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 09:01:39,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 380 states. [2024-08-14 09:01:39,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 376 states. [2024-08-14 09:01:39,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 394 states. [2024-08-14 09:01:39,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2024-08-14 09:01:39,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2024-08-14 09:01:39,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 435 states. [2024-08-14 09:01:39,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 425 states. [2024-08-14 09:01:39,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-08-14 09:01:39,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2024-08-14 09:01:39,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2024-08-14 09:01:39,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-08-14 09:01:39,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 262 states. [2024-08-14 09:01:39,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-08-14 09:01:39,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:02:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 09:02:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:02:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 09:02:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:02:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:02:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 09:02:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 380 states. [2024-08-14 09:02:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 376 states. [2024-08-14 09:02:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 399 states. [2024-08-14 09:02:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2024-08-14 09:02:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2024-08-14 09:02:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 435 states. [2024-08-14 09:02:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 425 states. [2024-08-14 09:02:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-08-14 09:02:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2024-08-14 09:02:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2024-08-14 09:02:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-08-14 09:02:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2024-08-14 09:02:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-08-14 09:02:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2024-08-14 09:02:19,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-08-14 09:02:19,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-08-14 09:02:19,883 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:02:19,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:02:19,884 INFO L85 PathProgramCache]: Analyzing trace with hash 914897808, now seen corresponding path program 16 times [2024-08-14 09:02:19,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:02:19,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213443702] [2024-08-14 09:02:19,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:02:19,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:02:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:02:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:02:20,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:02:20,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213443702] [2024-08-14 09:02:20,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213443702] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:02:20,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641570571] [2024-08-14 09:02:20,463 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-14 09:02:20,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:02:20,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:02:20,465 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) [2024-08-14 09:02:20,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-08-14 09:02:20,519 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-14 09:02:20,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 09:02:20,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 09:02:20,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:02:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:02:21,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:02:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:02:22,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641570571] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:02:22,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:02:22,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 09:02:22,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563777353] [2024-08-14 09:02:22,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:02:22,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 09:02:22,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:02:22,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 09:02:22,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=740, Invalid=6400, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 09:02:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:02:22,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:02:22,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 09:02:22,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 09:02:22,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:02:22,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 09:02:22,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:02:22,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:02:22,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 09:02:22,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 380 states. [2024-08-14 09:02:22,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 376 states. [2024-08-14 09:02:22,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 399 states. [2024-08-14 09:02:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2024-08-14 09:02:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2024-08-14 09:02:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 435 states. [2024-08-14 09:02:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 425 states. [2024-08-14 09:02:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-08-14 09:02:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2024-08-14 09:02:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2024-08-14 09:02:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-08-14 09:02:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 262 states. [2024-08-14 09:02:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-08-14 09:02:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2024-08-14 09:02:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:03:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 09:03:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:03:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 09:03:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:03:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:03:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 09:03:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 383 states. [2024-08-14 09:03:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 378 states. [2024-08-14 09:03:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 410 states. [2024-08-14 09:03:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 318 states. [2024-08-14 09:03:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2024-08-14 09:03:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 436 states. [2024-08-14 09:03:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 425 states. [2024-08-14 09:03:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-08-14 09:03:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2024-08-14 09:03:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2024-08-14 09:03:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-08-14 09:03:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2024-08-14 09:03:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-08-14 09:03:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-08-14 09:03:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 349 states. [2024-08-14 09:03:18,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-08-14 09:03:18,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:03:18,604 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:03:18,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:03:18,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1009857766, now seen corresponding path program 17 times [2024-08-14 09:03:18,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:03:18,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95683298] [2024-08-14 09:03:18,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:03:18,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:03:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:03:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:03:19,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:03:19,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95683298] [2024-08-14 09:03:19,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95683298] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:03:19,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425642421] [2024-08-14 09:03:19,185 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-14 09:03:19,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:03:19,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:03:19,187 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) [2024-08-14 09:03:19,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-08-14 09:03:19,241 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-08-14 09:03:19,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 09:03:19,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 09:03:19,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:03:20,205 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:03:20,206 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:03:21,431 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:03:21,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425642421] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:03:21,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:03:21,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 09:03:21,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667902548] [2024-08-14 09:03:21,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:03:21,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 09:03:21,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:03:21,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 09:03:21,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=750, Invalid=6390, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 09:03:21,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:03:21,434 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:03:21,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 09:03:21,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 09:03:21,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:03:21,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 09:03:21,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:03:21,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:03:21,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 09:03:21,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 383 states. [2024-08-14 09:03:21,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 378 states. [2024-08-14 09:03:21,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 410 states. [2024-08-14 09:03:21,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 318 states. [2024-08-14 09:03:21,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2024-08-14 09:03:21,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 436 states. [2024-08-14 09:03:21,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 425 states. [2024-08-14 09:03:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-08-14 09:03:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2024-08-14 09:03:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2024-08-14 09:03:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-08-14 09:03:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 262 states. [2024-08-14 09:03:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-08-14 09:03:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-08-14 09:03:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 349 states. [2024-08-14 09:03:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 09:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 09:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 09:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 395 states. [2024-08-14 09:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 380 states. [2024-08-14 09:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 412 states. [2024-08-14 09:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-08-14 09:04:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2024-08-14 09:04:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 446 states. [2024-08-14 09:04:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 427 states. [2024-08-14 09:04:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-08-14 09:04:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2024-08-14 09:04:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2024-08-14 09:04:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-08-14 09:04:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-08-14 09:04:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-08-14 09:04:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 387 states. [2024-08-14 09:04:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 361 states. [2024-08-14 09:04:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2024-08-14 09:04:03,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-08-14 09:04:03,563 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,SelfDestructingSolverStorable21 [2024-08-14 09:04:03,564 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:04:03,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:04:03,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1034863856, now seen corresponding path program 18 times [2024-08-14 09:04:03,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:04:03,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186173239] [2024-08-14 09:04:03,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:04:03,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:04:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:04:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:04:04,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:04:04,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186173239] [2024-08-14 09:04:04,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186173239] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:04:04,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182559350] [2024-08-14 09:04:04,141 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-14 09:04:04,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:04:04,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:04:04,143 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) [2024-08-14 09:04:04,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-08-14 09:04:04,198 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-08-14 09:04:04,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 09:04:04,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 09:04:04,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:04:05,158 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:04:05,158 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:04:06,325 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:04:06,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182559350] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:04:06,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:04:06,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 09:04:06,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139595849] [2024-08-14 09:04:06,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:04:06,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 09:04:06,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:04:06,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 09:04:06,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=704, Invalid=6436, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 09:04:06,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:04:06,328 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:04:06,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 09:04:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 09:04:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:04:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 09:04:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:04:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:04:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 09:04:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 395 states. [2024-08-14 09:04:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 380 states. [2024-08-14 09:04:06,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 412 states. [2024-08-14 09:04:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-08-14 09:04:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2024-08-14 09:04:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 446 states. [2024-08-14 09:04:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 427 states. [2024-08-14 09:04:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-08-14 09:04:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2024-08-14 09:04:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2024-08-14 09:04:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-08-14 09:04:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-08-14 09:04:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-08-14 09:04:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 387 states. [2024-08-14 09:04:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 361 states. [2024-08-14 09:04:06,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2024-08-14 09:04:06,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:04:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 09:04:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:04:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 09:04:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:04:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 396 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 380 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 412 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 447 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 427 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 387 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 361 states. [2024-08-14 09:04:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2024-08-14 09:04:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2024-08-14 09:04:55,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-08-14 09:04:55,473 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,SelfDestructingSolverStorable22 [2024-08-14 09:04:55,474 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 09:04:55,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 09:04:55,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1447330576, now seen corresponding path program 19 times [2024-08-14 09:04:55,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 09:04:55,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494653615] [2024-08-14 09:04:55,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 09:04:55,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 09:04:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:04:56,098 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:04:56,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 09:04:56,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494653615] [2024-08-14 09:04:56,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494653615] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 09:04:56,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135820802] [2024-08-14 09:04:56,099 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-14 09:04:56,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 09:04:56,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 09:04:56,100 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) [2024-08-14 09:04:56,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-08-14 09:04:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 09:04:56,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-14 09:04:56,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 09:04:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:04:57,128 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 09:04:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 09:04:58,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135820802] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 09:04:58,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 09:04:58,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-14 09:04:58,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582785818] [2024-08-14 09:04:58,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 09:04:58,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-14 09:04:58,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 09:04:58,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-14 09:04:58,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=700, Invalid=6440, Unknown=0, NotChecked=0, Total=7140 [2024-08-14 09:04:58,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 09:04:58,322 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 09:04:58,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.0588235294117645) internal successors, (175), 84 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) [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 396 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 380 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 412 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 447 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 427 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 387 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 361 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2024-08-14 09:04:58,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15