./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 05:47:06,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 05:47:06,119 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 05:47:06,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 05:47:06,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 05:47:06,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 05:47:06,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 05:47:06,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 05:47:06,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 05:47:06,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 05:47:06,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 05:47:06,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 05:47:06,164 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 05:47:06,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 05:47:06,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 05:47:06,167 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 05:47:06,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 05:47:06,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 05:47:06,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 05:47:06,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 05:47:06,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 05:47:06,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 05:47:06,173 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 05:47:06,173 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 05:47:06,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 05:47:06,173 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 05:47:06,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 05:47:06,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 05:47:06,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 05:47:06,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 05:47:06,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 05:47:06,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 05:47:06,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 05:47:06,175 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 05:47:06,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 05:47:06,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 05:47:06,176 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 05:47:06,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 05:47:06,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 05:47:06,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 05:47:06,179 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 05:47:06,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Seed for random criterion -> 213 [2024-10-18 05:47:06,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 05:47:06,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 05:47:06,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 05:47:06,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 05:47:06,483 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 05:47:06,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-10-18 05:47:07,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 05:47:08,154 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 05:47:08,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-10-18 05:47:08,165 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/88aa50963/edd867cffd1e431088115ce9478a6635/FLAG832adaaea [2024-10-18 05:47:08,177 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/88aa50963/edd867cffd1e431088115ce9478a6635 [2024-10-18 05:47:08,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 05:47:08,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 05:47:08,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 05:47:08,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 05:47:08,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 05:47:08,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 05:47:08" (1/1) ... [2024-10-18 05:47:08,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d9c9e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:47:08, skipping insertion in model container [2024-10-18 05:47:08,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 05:47:08" (1/1) ... [2024-10-18 05:47:08,233 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 05:47:08,418 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2024-10-18 05:47:08,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 05:47:08,437 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 05:47:08,481 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2024-10-18 05:47:08,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 05:47:08,512 INFO L204 MainTranslator]: Completed translation [2024-10-18 05:47:08,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:47:08 WrapperNode [2024-10-18 05:47:08,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 05:47:08,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 05:47:08,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 05:47:08,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 05:47:08,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:47:08" (1/1) ... [2024-10-18 05:47:08,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:47:08" (1/1) ... [2024-10-18 05:47:08,554 INFO L138 Inliner]: procedures = 28, calls = 65, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 299 [2024-10-18 05:47:08,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 05:47:08,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 05:47:08,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 05:47:08,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 05:47:08,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:47:08" (1/1) ... [2024-10-18 05:47:08,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:47:08" (1/1) ... [2024-10-18 05:47:08,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:47:08" (1/1) ... [2024-10-18 05:47:08,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:47:08" (1/1) ... [2024-10-18 05:47:08,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:47:08" (1/1) ... [2024-10-18 05:47:08,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:47:08" (1/1) ... [2024-10-18 05:47:08,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:47:08" (1/1) ... [2024-10-18 05:47:08,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:47:08" (1/1) ... [2024-10-18 05:47:08,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 05:47:08,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 05:47:08,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 05:47:08,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 05:47:08,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:47:08" (1/1) ... [2024-10-18 05:47:08,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 05:47:08,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:08,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 05:47:08,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 05:47:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 05:47:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 05:47:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 05:47:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 05:47:08,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 05:47:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 05:47:08,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 05:47:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 05:47:08,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 05:47:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-18 05:47:08,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-18 05:47:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 05:47:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-10-18 05:47:08,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-10-18 05:47:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-10-18 05:47:08,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-10-18 05:47:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 05:47:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 05:47:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-18 05:47:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 05:47:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 05:47:08,710 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 05:47:08,875 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 05:47:08,876 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 05:47:09,342 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 05:47:09,342 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 05:47:09,717 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 05:47:09,718 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-18 05:47:09,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:47:09 BoogieIcfgContainer [2024-10-18 05:47:09,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 05:47:09,722 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 05:47:09,723 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 05:47:09,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 05:47:09,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 05:47:08" (1/3) ... [2024-10-18 05:47:09,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418f98e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 05:47:09, skipping insertion in model container [2024-10-18 05:47:09,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 05:47:08" (2/3) ... [2024-10-18 05:47:09,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418f98e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 05:47:09, skipping insertion in model container [2024-10-18 05:47:09,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 05:47:09" (3/3) ... [2024-10-18 05:47:09,732 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2024-10-18 05:47:09,753 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 05:47:09,753 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 05:47:09,753 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 05:47:09,859 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-10-18 05:47:09,911 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 05:47:09,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 05:47:09,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:09,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 05:47:09,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 05:47:10,042 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 05:47:10,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:10,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork3 ======== [2024-10-18 05:47:10,075 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4f8f2f37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-10-18 05:47:10,076 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-18 05:47:12,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-10-18 05:47:12,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-10-18 05:47:12,508 INFO L414 BasicCegarLoop]: Path program histogram: [] [2024-10-18 05:47:12,511 INFO L312 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork3 was SAFE,SAFE (1/3) [2024-10-18 05:47:12,517 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 05:47:12,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 05:47:12,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:12,520 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 05:47:12,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-10-18 05:47:12,583 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 05:47:12,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:12,585 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2024-10-18 05:47:12,586 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4f8f2f37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-10-18 05:47:12,586 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-18 05:47:14,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-10-18 05:47:14,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-10-18 05:47:14,198 INFO L414 BasicCegarLoop]: Path program histogram: [] [2024-10-18 05:47:14,198 INFO L312 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE,SAFE (2/3) [2024-10-18 05:47:14,201 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 05:47:14,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 05:47:14,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:14,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 05:47:14,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-10-18 05:47:14,262 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 05:47:14,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:14,263 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 05:47:14,264 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4f8f2f37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-10-18 05:47:14,265 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-18 05:47:15,525 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:15,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:15,528 INFO L85 PathProgramCache]: Analyzing trace with hash 820916537, now seen corresponding path program 1 times [2024-10-18 05:47:15,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:15,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560488458] [2024-10-18 05:47:15,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:15,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:15,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:15,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560488458] [2024-10-18 05:47:15,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560488458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 05:47:15,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 05:47:15,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 05:47:15,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498221782] [2024-10-18 05:47:15,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 05:47:15,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-18 05:47:15,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:15,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-18 05:47:15,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-18 05:47:15,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:15,790 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:15,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:15,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:15,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 05:47:15,870 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:15,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:15,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2144238107, now seen corresponding path program 1 times [2024-10-18 05:47:15,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:15,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822401665] [2024-10-18 05:47:15,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:15,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:16,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:16,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822401665] [2024-10-18 05:47:16,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822401665] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 05:47:16,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 05:47:16,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 05:47:16,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099373960] [2024-10-18 05:47:16,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 05:47:16,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 05:47:16,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:16,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 05:47:16,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 05:47:16,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:16,292 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:16,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:16,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:16,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:16,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:16,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:16,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 05:47:16,427 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:16,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:16,429 INFO L85 PathProgramCache]: Analyzing trace with hash 8899191, now seen corresponding path program 1 times [2024-10-18 05:47:16,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:16,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675863211] [2024-10-18 05:47:16,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:16,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:16,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:16,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:16,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675863211] [2024-10-18 05:47:16,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675863211] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 05:47:16,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 05:47:16,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 05:47:16,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126005277] [2024-10-18 05:47:16,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 05:47:16,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 05:47:16,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:16,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 05:47:16,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 05:47:16,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:16,551 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:16,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:16,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:16,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:16,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:16,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:16,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-18 05:47:16,687 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:16,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:16,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1464169791, now seen corresponding path program 2 times [2024-10-18 05:47:16,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:16,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229874730] [2024-10-18 05:47:16,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:16,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:17,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:17,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229874730] [2024-10-18 05:47:17,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229874730] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 05:47:17,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 05:47:17,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 05:47:17,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482025501] [2024-10-18 05:47:17,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 05:47:17,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 05:47:17,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:17,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 05:47:17,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-18 05:47:17,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:17,103 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:17,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:17,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:17,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:17,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:17,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:17,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-18 05:47:17,272 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:17,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:17,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1287207375, now seen corresponding path program 1 times [2024-10-18 05:47:17,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:17,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914614172] [2024-10-18 05:47:17,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:17,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:17,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:17,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914614172] [2024-10-18 05:47:17,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914614172] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:47:17,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271153936] [2024-10-18 05:47:17,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:17,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:17,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:17,521 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 05:47:17,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 05:47:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:17,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 05:47:17,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:47:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:17,811 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:47:17,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:17,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271153936] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:47:17,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:47:17,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-18 05:47:17,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368237838] [2024-10-18 05:47:17,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:47:17,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-18 05:47:17,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:17,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-18 05:47:17,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-10-18 05:47:17,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:17,904 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:17,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:18,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:18,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:18,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:18,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:18,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:18,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-18 05:47:18,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:18,232 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:18,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:18,458 INFO L85 PathProgramCache]: Analyzing trace with hash -680553601, now seen corresponding path program 2 times [2024-10-18 05:47:18,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:18,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407408792] [2024-10-18 05:47:18,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:18,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 05:47:18,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:18,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407408792] [2024-10-18 05:47:18,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407408792] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:47:18,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126011194] [2024-10-18 05:47:18,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 05:47:18,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:18,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:18,665 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 05:47:18,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 05:47:18,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 05:47:18,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 05:47:18,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 05:47:18,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:47:18,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 05:47:18,946 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:47:19,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 05:47:19,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126011194] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-18 05:47:19,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-18 05:47:19,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2024-10-18 05:47:19,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311051917] [2024-10-18 05:47:19,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 05:47:19,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 05:47:19,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:19,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 05:47:19,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-18 05:47:19,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:19,035 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:19,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:19,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:19,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:19,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:19,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:19,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:19,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:19,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:19,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-18 05:47:19,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-18 05:47:19,885 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:20,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:20,032 INFO L85 PathProgramCache]: Analyzing trace with hash 628724889, now seen corresponding path program 1 times [2024-10-18 05:47:20,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:20,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633131168] [2024-10-18 05:47:20,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:20,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:20,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:20,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633131168] [2024-10-18 05:47:20,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633131168] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:47:20,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008455467] [2024-10-18 05:47:20,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:20,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:20,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:20,234 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 05:47:20,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 05:47:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:20,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 05:47:20,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:47:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:20,465 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:47:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:20,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008455467] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-18 05:47:20,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-18 05:47:20,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2024-10-18 05:47:20,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564498331] [2024-10-18 05:47:20,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 05:47:20,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 05:47:20,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:20,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 05:47:20,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-18 05:47:20,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:20,538 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:20,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:20,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:20,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:20,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:20,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:20,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:20,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:20,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:20,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:20,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-18 05:47:21,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:21,069 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:21,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:21,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1735515737, now seen corresponding path program 1 times [2024-10-18 05:47:21,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:21,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720958324] [2024-10-18 05:47:21,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:21,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:22,014 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:22,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:22,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720958324] [2024-10-18 05:47:22,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720958324] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:47:22,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725604209] [2024-10-18 05:47:22,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:22,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:22,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:22,016 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 05:47:22,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 05:47:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:22,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-18 05:47:22,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:47:22,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-10-18 05:47:22,436 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 05:47:22,437 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:47:22,514 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 05:47:22,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 16 [2024-10-18 05:47:22,598 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 05:47:22,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725604209] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:47:22,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:47:22,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 20 [2024-10-18 05:47:22,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981113643] [2024-10-18 05:47:22,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:47:22,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-18 05:47:22,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:22,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-18 05:47:22,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2024-10-18 05:47:22,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:22,601 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:22,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.3) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:22,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:22,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:22,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:22,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:22,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:22,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:22,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:22,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:23,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:23,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:23,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:23,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:23,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:23,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:23,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:23,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 05:47:23,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-18 05:47:23,457 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:23,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:23,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1744591847, now seen corresponding path program 2 times [2024-10-18 05:47:23,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:23,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049716881] [2024-10-18 05:47:23,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:23,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:23,707 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 05:47:23,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:23,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049716881] [2024-10-18 05:47:23,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049716881] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 05:47:23,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 05:47:23,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 05:47:23,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270927013] [2024-10-18 05:47:23,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 05:47:23,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 05:47:23,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:23,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 05:47:23,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 05:47:23,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:23,710 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:23,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:23,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:23,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:23,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:23,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:23,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:23,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:23,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:23,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:23,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:23,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:23,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-18 05:47:23,938 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:24,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:24,104 INFO L85 PathProgramCache]: Analyzing trace with hash 534542187, now seen corresponding path program 3 times [2024-10-18 05:47:24,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:24,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900592711] [2024-10-18 05:47:24,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:24,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:24,286 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:24,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:24,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900592711] [2024-10-18 05:47:24,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900592711] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:47:24,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104072182] [2024-10-18 05:47:24,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 05:47:24,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:24,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:24,289 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 05:47:24,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 05:47:24,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-18 05:47:24,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 05:47:24,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-18 05:47:24,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:47:24,575 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:24,575 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:47:24,707 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:24,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104072182] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:47:24,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:47:24,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2024-10-18 05:47:24,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568851492] [2024-10-18 05:47:24,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:47:24,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-18 05:47:24,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:24,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-18 05:47:24,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-10-18 05:47:24,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:24,710 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:24,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.588235294117647) internal successors, (129), 16 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:24,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:24,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:24,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:24,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:24,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:24,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:24,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:24,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:24,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:24,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:47:24,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-18 05:47:25,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:25,166 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:25,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:25,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1722466781, now seen corresponding path program 4 times [2024-10-18 05:47:25,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:25,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175179562] [2024-10-18 05:47:25,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:25,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:25,417 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 05:47:25,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:25,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175179562] [2024-10-18 05:47:25,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175179562] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:47:25,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043211156] [2024-10-18 05:47:25,418 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 05:47:25,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:25,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:25,420 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 05:47:25,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 05:47:25,526 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 05:47:25,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 05:47:25,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-18 05:47:25,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:47:25,665 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 05:47:25,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:47:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 05:47:25,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043211156] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:47:25,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:47:25,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-10-18 05:47:25,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49441518] [2024-10-18 05:47:25,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:47:25,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-18 05:47:25,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:25,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-18 05:47:25,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-10-18 05:47:25,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:25,771 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:25,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.470588235294118) internal successors, (144), 17 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:25,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:25,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:25,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:25,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:25,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:25,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:25,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:25,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:25,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:25,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:47:25,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:26,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:26,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:26,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:26,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:26,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:26,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:26,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:26,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:26,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:47:26,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:26,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-18 05:47:26,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:26,704 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:26,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:26,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1553836199, now seen corresponding path program 5 times [2024-10-18 05:47:26,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:26,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545385989] [2024-10-18 05:47:26,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:26,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:26,949 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 05:47:26,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:26,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545385989] [2024-10-18 05:47:26,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545385989] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:47:26,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080214211] [2024-10-18 05:47:26,950 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 05:47:26,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:26,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:26,952 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 05:47:26,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-18 05:47:27,088 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-10-18 05:47:27,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 05:47:27,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-18 05:47:27,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:47:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 05:47:27,218 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:47:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 05:47:27,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080214211] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:47:27,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:47:27,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 16 [2024-10-18 05:47:27,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758084914] [2024-10-18 05:47:27,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:47:27,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-18 05:47:27,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:27,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-18 05:47:27,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-10-18 05:47:27,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:27,303 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:27,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.375) internal successors, (134), 16 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:47:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:27,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:28,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:28,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:47:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 05:47:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 05:47:28,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-18 05:47:28,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-18 05:47:28,460 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:28,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:28,603 INFO L85 PathProgramCache]: Analyzing trace with hash -557677033, now seen corresponding path program 6 times [2024-10-18 05:47:28,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:28,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63048109] [2024-10-18 05:47:28,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:28,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:30,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:30,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63048109] [2024-10-18 05:47:30,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63048109] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:47:30,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267600638] [2024-10-18 05:47:30,398 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 05:47:30,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:30,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:30,400 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 05:47:30,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-18 05:47:30,537 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-10-18 05:47:30,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 05:47:30,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-10-18 05:47:30,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:47:31,398 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 05:47:31,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 36 [2024-10-18 05:47:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:31,984 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:47:38,986 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 05:47:38,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 66 [2024-10-18 05:47:40,180 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:40,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267600638] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:47:40,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:47:40,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18, 17] total 47 [2024-10-18 05:47:40,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770659278] [2024-10-18 05:47:40,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:47:40,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-18 05:47:40,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:40,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-18 05:47:40,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=1992, Unknown=3, NotChecked=0, Total=2256 [2024-10-18 05:47:40,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:40,184 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:40,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.0625) internal successors, (195), 47 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:47:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 05:47:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-10-18 05:47:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:45,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:45,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:45,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:47:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:47:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:47:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:47:45,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-18 05:47:45,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:45,767 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:45,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:45,842 INFO L85 PathProgramCache]: Analyzing trace with hash 668108845, now seen corresponding path program 7 times [2024-10-18 05:47:45,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:45,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628346048] [2024-10-18 05:47:45,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:45,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:48,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:48,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628346048] [2024-10-18 05:47:48,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628346048] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:47:48,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254776383] [2024-10-18 05:47:48,564 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 05:47:48,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:48,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:48,567 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 05:47:48,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-18 05:47:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:48,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-10-18 05:47:48,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:47:49,362 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 05:47:49,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 15 [2024-10-18 05:47:49,382 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 05:47:49,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:47:49,828 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 05:47:49,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 65 treesize of output 96 [2024-10-18 05:47:50,003 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 05:47:50,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254776383] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:47:50,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:47:50,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 16, 16] total 46 [2024-10-18 05:47:50,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330505240] [2024-10-18 05:47:50,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:47:50,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-10-18 05:47:50,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:50,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-10-18 05:47:50,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1895, Unknown=0, NotChecked=0, Total=2070 [2024-10-18 05:47:50,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:50,007 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:50,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.739130434782609) internal successors, (172), 46 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:50,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:50,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:50,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:50,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:50,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:50,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:50,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:50,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:50,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:50,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:47:50,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:47:50,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:47:50,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:47:50,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:47:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:47:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:47:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:47:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:47:53,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-18 05:47:54,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-18 05:47:54,124 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:54,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:54,213 INFO L85 PathProgramCache]: Analyzing trace with hash 2146867205, now seen corresponding path program 8 times [2024-10-18 05:47:54,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:54,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89120876] [2024-10-18 05:47:54,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:54,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:54,806 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 93 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:54,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:54,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89120876] [2024-10-18 05:47:54,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89120876] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:47:54,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911348884] [2024-10-18 05:47:54,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 05:47:54,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:54,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:54,809 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 05:47:54,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-18 05:47:54,963 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 05:47:54,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 05:47:54,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-18 05:47:54,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:47:55,274 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 116 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-18 05:47:55,274 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:47:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 116 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-18 05:47:55,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911348884] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:47:55,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:47:55,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11, 11] total 38 [2024-10-18 05:47:55,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362532839] [2024-10-18 05:47:55,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:47:55,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-10-18 05:47:55,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:55,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-10-18 05:47:55,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=1224, Unknown=0, NotChecked=0, Total=1482 [2024-10-18 05:47:55,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:55,499 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:55,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.743589743589744) internal successors, (224), 38 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:55,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:55,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:55,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:55,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:55,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:55,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:55,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:55,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:55,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:55,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:47:55,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:47:55,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:47:55,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:47:55,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:47:55,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:56,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:47:56,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:47:56,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:47:56,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:47:56,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:47:56,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:47:56,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-18 05:47:56,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-18 05:47:56,222 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:56,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:56,361 INFO L85 PathProgramCache]: Analyzing trace with hash 103513335, now seen corresponding path program 9 times [2024-10-18 05:47:56,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:56,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788589706] [2024-10-18 05:47:56,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:56,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:47:56,970 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 93 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:56,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:47:56,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788589706] [2024-10-18 05:47:56,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788589706] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:47:56,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529925983] [2024-10-18 05:47:56,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 05:47:56,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:47:56,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:47:56,973 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) [2024-10-18 05:47:56,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-18 05:47:57,172 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-10-18 05:47:57,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 05:47:57,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-18 05:47:57,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:47:57,562 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 144 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:57,563 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:47:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 144 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:47:57,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529925983] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:47:57,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:47:57,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 14, 14] total 46 [2024-10-18 05:47:57,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153458382] [2024-10-18 05:47:57,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:47:57,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-10-18 05:47:57,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:47:57,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-10-18 05:47:57,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=393, Invalid=1769, Unknown=0, NotChecked=0, Total=2162 [2024-10-18 05:47:57,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:57,885 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:47:57,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 5.680851063829787) internal successors, (267), 46 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:47:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:57,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:57,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:57,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:57,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:57,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:57,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:57,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:57,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:47:57,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:47:57,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:47:57,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:47:57,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:47:57,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:47:57,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:58,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:47:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:47:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:47:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:47:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:47:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:47:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:47:58,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:47:58,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:47:58,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:47:58,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:47:58,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:47:58,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-18 05:47:58,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-18 05:47:58,620 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:47:58,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:47:58,811 INFO L85 PathProgramCache]: Analyzing trace with hash 321038007, now seen corresponding path program 10 times [2024-10-18 05:47:58,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:47:58,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535868090] [2024-10-18 05:47:58,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:47:58,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:47:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:48:04,941 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 6 proven. 166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:48:04,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:48:04,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535868090] [2024-10-18 05:48:04,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535868090] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:48:04,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330049683] [2024-10-18 05:48:04,941 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 05:48:04,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:48:04,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:48:04,943 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 05:48:04,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-18 05:48:05,089 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 05:48:05,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 05:48:05,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-10-18 05:48:05,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:48:06,769 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 05:48:06,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 93 treesize of output 21 [2024-10-18 05:48:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 05:48:06,788 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:48:08,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 05:48:08,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 125 treesize of output 366 [2024-10-18 05:48:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-18 05:48:11,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330049683] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:48:11,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:48:11,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 29, 28] total 86 [2024-10-18 05:48:11,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031769591] [2024-10-18 05:48:11,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:48:11,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-10-18 05:48:11,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:48:11,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-10-18 05:48:11,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=6759, Unknown=0, NotChecked=0, Total=7310 [2024-10-18 05:48:11,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:48:11,635 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:48:11,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 2.895348837209302) internal successors, (249), 86 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:48:11,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:48:22,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:48:22,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:48:22,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:48:22,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:48:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:48:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:48:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:48:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:48:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:48:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:48:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:48:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:48:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:48:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-18 05:48:23,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-18 05:48:23,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-18 05:48:23,196 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:48:23,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:48:23,315 INFO L85 PathProgramCache]: Analyzing trace with hash -186138009, now seen corresponding path program 11 times [2024-10-18 05:48:23,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:48:23,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829856147] [2024-10-18 05:48:23,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:48:23,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:48:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:48:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 459 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:48:24,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:48:24,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829856147] [2024-10-18 05:48:24,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829856147] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:48:24,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288296525] [2024-10-18 05:48:24,607 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 05:48:24,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:48:24,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:48:24,609 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) [2024-10-18 05:48:24,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-18 05:48:24,904 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-10-18 05:48:24,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 05:48:24,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-18 05:48:24,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:48:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 471 proven. 28 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-18 05:48:25,446 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:48:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 471 proven. 28 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-18 05:48:25,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288296525] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:48:25,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:48:25,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 17, 17] total 65 [2024-10-18 05:48:25,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439256707] [2024-10-18 05:48:25,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:48:25,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-10-18 05:48:25,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:48:25,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-10-18 05:48:25,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=707, Invalid=3583, Unknown=0, NotChecked=0, Total=4290 [2024-10-18 05:48:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:48:25,954 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:48:25,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 4.9393939393939394) internal successors, (326), 65 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:48:25,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:48:25,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:48:25,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:48:25,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:48:25,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:25,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:25,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:25,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:48:25,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:48:25,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:48:25,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:48:25,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:48:25,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:48:25,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:48:25,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:48:25,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:48:25,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-10-18 05:48:25,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:48:26,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:48:26,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:48:26,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:48:26,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:48:26,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:26,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:26,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:26,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:48:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:48:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:48:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:48:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:48:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:48:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:48:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:48:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:48:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-18 05:48:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:48:26,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-18 05:48:26,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-18 05:48:26,925 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:48:27,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:48:27,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1249004597, now seen corresponding path program 12 times [2024-10-18 05:48:27,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:48:27,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613789485] [2024-10-18 05:48:27,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:48:27,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:48:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:48:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 459 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:48:28,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:48:28,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613789485] [2024-10-18 05:48:28,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613789485] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:48:28,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222570391] [2024-10-18 05:48:28,314 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 05:48:28,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:48:28,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:48:28,316 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) [2024-10-18 05:48:28,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-18 05:48:28,682 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-10-18 05:48:28,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 05:48:28,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-18 05:48:28,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:48:29,381 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 576 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:48:29,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:48:30,103 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 576 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:48:30,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222570391] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:48:30,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:48:30,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 23, 23] total 79 [2024-10-18 05:48:30,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976146295] [2024-10-18 05:48:30,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:48:30,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-10-18 05:48:30,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:48:30,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-10-18 05:48:30,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1110, Invalid=5210, Unknown=0, NotChecked=0, Total=6320 [2024-10-18 05:48:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:48:30,109 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:48:30,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 5.25) internal successors, (420), 79 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:48:30,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:48:30,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:48:30,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:48:30,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:48:30,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:30,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:30,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:30,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:48:30,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:48:30,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:48:30,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:48:30,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:48:30,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:48:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:48:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:48:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:48:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-10-18 05:48:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:48:30,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:48:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:48:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:48:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:48:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:48:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:48:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:48:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:48:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:48:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:48:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:48:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:48:30,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:48:30,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:48:30,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:48:30,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-18 05:48:30,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:48:30,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:48:30,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-18 05:48:30,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:48:30,970 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:48:31,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:48:31,074 INFO L85 PathProgramCache]: Analyzing trace with hash 381755303, now seen corresponding path program 13 times [2024-10-18 05:48:31,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:48:31,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762228633] [2024-10-18 05:48:31,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:48:31,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:48:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:48:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 45 proven. 622 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:48:46,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:48:46,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762228633] [2024-10-18 05:48:46,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762228633] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:48:46,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340953578] [2024-10-18 05:48:46,356 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-18 05:48:46,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:48:46,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:48:46,358 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) [2024-10-18 05:48:46,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-18 05:48:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:48:46,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 201 conjuncts are in the unsatisfiable core [2024-10-18 05:48:46,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:48:51,895 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 05:48:51,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 177 treesize of output 33 [2024-10-18 05:48:51,916 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-10-18 05:48:51,916 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:49:02,316 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 05:49:02,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 245 treesize of output 1446 [2024-10-18 05:50:02,337 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-10-18 05:50:02,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340953578] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:50:02,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:50:02,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 52, 52] total 163 [2024-10-18 05:50:02,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959065209] [2024-10-18 05:50:02,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:50:02,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 163 states [2024-10-18 05:50:02,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:50:02,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2024-10-18 05:50:02,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1988, Invalid=24418, Unknown=0, NotChecked=0, Total=26406 [2024-10-18 05:50:02,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:50:02,344 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:50:02,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 163 states, 163 states have (on average 2.4355828220858897) internal successors, (397), 163 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:50:02,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:50:02,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:50:02,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:50:02,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:50:02,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:50:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:50:39,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:50:39,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:50:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:50:39,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-10-18 05:50:39,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-18 05:50:39,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:50:39,586 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:50:39,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:50:39,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1111750407, now seen corresponding path program 14 times [2024-10-18 05:50:39,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:50:39,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121662339] [2024-10-18 05:50:39,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:50:39,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:50:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:50:42,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2395 backedges. 2055 proven. 340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:50:42,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:50:42,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121662339] [2024-10-18 05:50:42,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121662339] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:50:42,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584581147] [2024-10-18 05:50:42,803 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 05:50:42,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:50:42,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:50:42,804 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) [2024-10-18 05:50:42,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-18 05:50:43,047 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 05:50:43,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 05:50:43,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-18 05:50:43,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:50:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2395 backedges. 1763 proven. 91 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2024-10-18 05:50:44,359 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:50:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2395 backedges. 1763 proven. 91 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2024-10-18 05:50:45,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584581147] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:50:45,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:50:45,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 29, 29] total 119 [2024-10-18 05:50:45,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144491011] [2024-10-18 05:50:45,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:50:45,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2024-10-18 05:50:45,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:50:45,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2024-10-18 05:50:45,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2319, Invalid=11961, Unknown=0, NotChecked=0, Total=14280 [2024-10-18 05:50:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:50:45,692 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:50:45,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 4.491666666666666) internal successors, (539), 119 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:50:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:50:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:50:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:50:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:50:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:50:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:50:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:50:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:50:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:50:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:50:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:50:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:50:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:50:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-10-18 05:50:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:50:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:50:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-10-18 05:50:45,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:50:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:50:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-10-18 05:50:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:50:46,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-18 05:50:47,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:50:47,140 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:50:47,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:50:47,235 INFO L85 PathProgramCache]: Analyzing trace with hash -565885355, now seen corresponding path program 15 times [2024-10-18 05:50:47,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:50:47,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355921628] [2024-10-18 05:50:47,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:50:47,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:50:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:50:50,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2409 backedges. 2055 proven. 354 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:50:50,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:50:50,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355921628] [2024-10-18 05:50:50,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355921628] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:50:50,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984365287] [2024-10-18 05:50:50,422 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 05:50:50,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:50:50,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:50:50,424 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) [2024-10-18 05:50:50,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-18 05:50:51,402 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) [2024-10-18 05:50:51,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 05:50:51,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-18 05:50:51,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:50:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2409 backedges. 2302 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 05:50:53,404 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:50:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2409 backedges. 2302 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 05:50:55,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984365287] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 05:50:55,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 05:50:55,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 41, 41] total 145 [2024-10-18 05:50:55,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172622156] [2024-10-18 05:50:55,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 05:50:55,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2024-10-18 05:50:55,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 05:50:55,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2024-10-18 05:50:55,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3693, Invalid=17477, Unknown=0, NotChecked=0, Total=21170 [2024-10-18 05:50:55,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:50:55,491 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 05:50:55,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 4.917808219178082) internal successors, (718), 145 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 05:50:55,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:50:55,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:50:55,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:50:55,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:50:55,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:55,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:55,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:55,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:50:55,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:50:55,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:50:55,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:50:55,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:50:55,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:50:55,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:50:55,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:50:55,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:50:55,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-10-18 05:50:55,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:50:55,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:50:55,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-10-18 05:50:55,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:50:55,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:50:56,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 05:50:56,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:50:56,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:50:56,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 05:50:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 05:50:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 05:50:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 05:50:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 05:50:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:50:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:50:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-18 05:50:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 05:50:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 05:50:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:50:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-18 05:50:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 05:50:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 05:50:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-10-18 05:50:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 05:50:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-18 05:50:56,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-18 05:50:56,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-18 05:50:56,777 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 05:50:56,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 05:50:56,852 INFO L85 PathProgramCache]: Analyzing trace with hash -301211257, now seen corresponding path program 16 times [2024-10-18 05:50:56,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 05:50:56,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608232960] [2024-10-18 05:50:56,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 05:50:56,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 05:50:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 05:51:58,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 231 proven. 2398 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 05:51:58,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 05:51:58,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608232960] [2024-10-18 05:51:58,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608232960] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 05:51:58,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145015088] [2024-10-18 05:51:58,215 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 05:51:58,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 05:51:58,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 05:51:58,217 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) [2024-10-18 05:51:58,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-18 05:51:58,515 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 05:51:58,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 05:51:58,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 401 conjuncts are in the unsatisfiable core [2024-10-18 05:51:58,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 05:52:23,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 05:52:23,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 345 treesize of output 57 [2024-10-18 05:52:23,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 0 proven. 2329 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-10-18 05:52:23,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 05:53:56,488 WARN L286 SmtUtils]: Spent 41.33s on a formula simplification that was a NOOP. DAG size: 1895 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-10-18 05:53:56,489 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 05:53:56,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 48 select indices, 48 select index equivalence classes, 0 disjoint index pairs (out of 1128 index pairs), introduced 48 new quantified variables, introduced 1128 case distinctions, treesize of input 485 treesize of output 5766 Killed by 15