./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5dad65ad 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-2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-dev-5dad65a-m [2024-10-22 12:01:06,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-22 12:01:06,664 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-22 12:01:06,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-22 12:01:06,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-22 12:01:06,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-22 12:01:06,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-22 12:01:06,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-22 12:01:06,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-22 12:01:06,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-22 12:01:06,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-22 12:01:06,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-22 12:01:06,706 INFO L153 SettingsManager]: * Use SBE=true [2024-10-22 12:01:06,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-22 12:01:06,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-22 12:01:06,709 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-22 12:01:06,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-22 12:01:06,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-22 12:01:06,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-22 12:01:06,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-22 12:01:06,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-22 12:01:06,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-22 12:01:06,712 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-22 12:01:06,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-22 12:01:06,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-22 12:01:06,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-22 12:01:06,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-22 12:01:06,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-22 12:01:06,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-22 12:01:06,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-22 12:01:06,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-22 12:01:06,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-22 12:01:06,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-22 12:01:06,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-22 12:01:06,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-22 12:01:06,718 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-22 12:01:06,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-22 12:01:06,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-22 12:01:06,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-22 12:01:06,719 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-22 12:01:06,719 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-22 12:01:06,720 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2024-10-22 12:01:06,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-22 12:01:06,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-22 12:01:06,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-22 12:01:06,968 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-22 12:01:06,968 INFO L274 PluginConnector]: CDTParser initialized [2024-10-22 12:01:06,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2024-10-22 12:01:08,639 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-22 12:01:08,845 INFO L384 CDTParser]: Found 1 translation units. [2024-10-22 12:01:08,845 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2024-10-22 12:01:08,853 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d514836fb/1b75503db28240d88630c313db26744d/FLAG3ecc38690 [2024-10-22 12:01:08,866 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d514836fb/1b75503db28240d88630c313db26744d [2024-10-22 12:01:08,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-22 12:01:08,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-22 12:01:08,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-22 12:01:08,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-22 12:01:08,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-22 12:01:08,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:01:08" (1/1) ... [2024-10-22 12:01:08,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bca0645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:01:08, skipping insertion in model container [2024-10-22 12:01:08,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:01:08" (1/1) ... [2024-10-22 12:01:08,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-22 12:01:09,108 WARN L248 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-2.wvr.c[4303,4316] [2024-10-22 12:01:09,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 12:01:09,130 INFO L200 MainTranslator]: Completed pre-run [2024-10-22 12:01:09,158 WARN L248 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-2.wvr.c[4303,4316] [2024-10-22 12:01:09,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 12:01:09,180 INFO L204 MainTranslator]: Completed translation [2024-10-22 12:01:09,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:01:09 WrapperNode [2024-10-22 12:01:09,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-22 12:01:09,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-22 12:01:09,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-22 12:01:09,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-22 12:01:09,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:01:09" (1/1) ... [2024-10-22 12:01:09,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:01:09" (1/1) ... [2024-10-22 12:01:09,306 INFO L138 Inliner]: procedures = 28, calls = 58, calls flagged for inlining = 22, calls inlined = 32, statements flattened = 377 [2024-10-22 12:01:09,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-22 12:01:09,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-22 12:01:09,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-22 12:01:09,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-22 12:01:09,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:01:09" (1/1) ... [2024-10-22 12:01:09,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:01:09" (1/1) ... [2024-10-22 12:01:09,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:01:09" (1/1) ... [2024-10-22 12:01:09,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:01:09" (1/1) ... [2024-10-22 12:01:09,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:01:09" (1/1) ... [2024-10-22 12:01:09,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:01:09" (1/1) ... [2024-10-22 12:01:09,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:01:09" (1/1) ... [2024-10-22 12:01:09,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:01:09" (1/1) ... [2024-10-22 12:01:09,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-22 12:01:09,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-22 12:01:09,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-22 12:01:09,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-22 12:01:09,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:01:09" (1/1) ... [2024-10-22 12:01:09,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-22 12:01:09,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:01:09,411 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) [2024-10-22 12:01:09,413 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 [2024-10-22 12:01:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-22 12:01:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-22 12:01:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-22 12:01:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-22 12:01:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-22 12:01:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-22 12:01:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-22 12:01:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-22 12:01:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-22 12:01:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-22 12:01:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-22 12:01:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-22 12:01:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-10-22 12:01:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-10-22 12:01:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-10-22 12:01:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-10-22 12:01:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-22 12:01:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-22 12:01:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-22 12:01:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-22 12:01:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-22 12:01:09,464 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-22 12:01:09,580 INFO L238 CfgBuilder]: Building ICFG [2024-10-22 12:01:09,582 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-22 12:01:10,073 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-22 12:01:10,073 INFO L287 CfgBuilder]: Performing block encoding [2024-10-22 12:01:10,420 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-22 12:01:10,421 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-22 12:01:10,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:01:10 BoogieIcfgContainer [2024-10-22 12:01:10,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-22 12:01:10,423 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-22 12:01:10,424 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-22 12:01:10,427 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-22 12:01:10,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:01:08" (1/3) ... [2024-10-22 12:01:10,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c408e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:01:10, skipping insertion in model container [2024-10-22 12:01:10,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:01:09" (2/3) ... [2024-10-22 12:01:10,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c408e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:01:10, skipping insertion in model container [2024-10-22 12:01:10,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:01:10" (3/3) ... [2024-10-22 12:01:10,432 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2024-10-22 12:01:10,447 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-22 12:01:10,447 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-22 12:01:10,447 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-22 12:01:10,529 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-10-22 12:01:10,566 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-22 12:01:10,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-22 12:01:10,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:01:10,572 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) [2024-10-22 12:01:10,580 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 [2024-10-22 12:01:10,614 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-22 12:01:10,624 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork1 ======== [2024-10-22 12:01:10,630 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;@3c3f6649, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-22 12:01:10,631 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-22 12:01:12,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-10-22 12:01:12,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-10-22 12:01:12,305 INFO L407 BasicCegarLoop]: Path program histogram: [] [2024-10-22 12:01:12,307 INFO L312 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork1 was SAFE,SAFE (1/3) [2024-10-22 12:01:12,314 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-22 12:01:12,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-22 12:01:12,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:01:12,315 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) [2024-10-22 12:01:12,317 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 [2024-10-22 12:01:12,319 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-22 12:01:12,320 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-22 12:01:12,320 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;@3c3f6649, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-22 12:01:12,320 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-22 12:01:13,345 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:01:13,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:01:13,351 INFO L85 PathProgramCache]: Analyzing trace with hash 409314276, now seen corresponding path program 1 times [2024-10-22 12:01:13,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:01:13,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009656469] [2024-10-22 12:01:13,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:13,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:01:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:13,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:01:13,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009656469] [2024-10-22 12:01:13,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009656469] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 12:01:13,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-22 12:01:13,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-22 12:01:13,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853255399] [2024-10-22 12:01:13,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 12:01:13,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-22 12:01:13,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:01:13,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-22 12:01:13,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-22 12:01:13,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:13,559 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:01:13,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2024-10-22 12:01:13,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:13,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-22 12:01:13,652 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:01:13,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:01:13,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1369492028, now seen corresponding path program 1 times [2024-10-22 12:01:13,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:01:13,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406639221] [2024-10-22 12:01:13,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:13,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:01:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:14,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:14,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:01:14,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406639221] [2024-10-22 12:01:14,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406639221] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 12:01:14,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-22 12:01:14,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-22 12:01:14,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600685567] [2024-10-22 12:01:14,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 12:01:14,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-22 12:01:14,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:01:14,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-22 12:01:14,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-22 12:01:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:14,047 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:01:14,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 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) [2024-10-22 12:01:14,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:14,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:14,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:14,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-22 12:01:14,156 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:01:14,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:01:14,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1227472434, now seen corresponding path program 1 times [2024-10-22 12:01:14,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:01:14,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889539469] [2024-10-22 12:01:14,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:14,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:01:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:14,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:01:14,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:01:14,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889539469] [2024-10-22 12:01:14,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889539469] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 12:01:14,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-22 12:01:14,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-22 12:01:14,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487244093] [2024-10-22 12:01:14,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 12:01:14,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-22 12:01:14,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:01:14,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-22 12:01:14,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-22 12:01:14,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:14,524 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:01:14,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 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) [2024-10-22 12:01:14,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:14,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:14,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:14,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:14,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:14,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:14,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-22 12:01:14,694 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:01:14,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:01:14,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1356169454, now seen corresponding path program 1 times [2024-10-22 12:01:14,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:01:14,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006178525] [2024-10-22 12:01:14,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:14,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:01:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:15,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:15,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:01:15,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006178525] [2024-10-22 12:01:15,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006178525] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:01:15,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727657379] [2024-10-22 12:01:15,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:15,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:01:15,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:01:15,065 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 12:01:15,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-22 12:01:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:15,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-22 12:01:15,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:01:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:01:15,327 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-22 12:01:15,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727657379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 12:01:15,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-22 12:01:15,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-22 12:01:15,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034829407] [2024-10-22 12:01:15,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 12:01:15,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-22 12:01:15,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:01:15,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-22 12:01:15,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-22 12:01:15,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:15,330 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:01:15,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:01:15,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:15,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:15,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:15,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:15,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:15,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:15,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:15,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:15,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-22 12:01:16,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:01:16,070 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:01:16,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:01:16,071 INFO L85 PathProgramCache]: Analyzing trace with hash -269281312, now seen corresponding path program 1 times [2024-10-22 12:01:16,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:01:16,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419541888] [2024-10-22 12:01:16,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:16,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:01:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:16,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:16,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:01:16,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419541888] [2024-10-22 12:01:16,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419541888] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:01:16,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319960040] [2024-10-22 12:01:16,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:16,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:01:16,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:01:16,370 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) [2024-10-22 12:01:16,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-22 12:01:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:16,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-22 12:01:16,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:01:16,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-22 12:01:16,637 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-22 12:01:16,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319960040] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 12:01:16,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-22 12:01:16,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-22 12:01:16,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399841857] [2024-10-22 12:01:16,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 12:01:16,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-22 12:01:16,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:01:16,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-22 12:01:16,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-22 12:01:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:16,639 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:01:16,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:01:16,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:16,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:16,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:16,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:16,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:16,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:16,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:16,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:16,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:16,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:16,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-22 12:01:17,048 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 [2024-10-22 12:01:17,049 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:01:17,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:01:17,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1735713066, now seen corresponding path program 1 times [2024-10-22 12:01:17,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:01:17,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94732745] [2024-10-22 12:01:17,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:17,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:01:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:17,312 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-22 12:01:17,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:01:17,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94732745] [2024-10-22 12:01:17,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94732745] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:01:17,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776146228] [2024-10-22 12:01:17,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:17,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:01:17,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:01:17,316 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) [2024-10-22 12:01:17,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-22 12:01:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:17,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-22 12:01:17,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:01:17,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-22 12:01:17,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:01:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-22 12:01:17,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776146228] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:01:17,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:01:17,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-22 12:01:17,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637181634] [2024-10-22 12:01:17,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:01:17,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-22 12:01:17,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:01:17,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-22 12:01:17,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-22 12:01:17,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:17,670 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:01:17,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-22 12:01:17,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:17,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:17,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:17,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-22 12:01:18,178 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 [2024-10-22 12:01:18,180 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:01:18,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:01:18,181 INFO L85 PathProgramCache]: Analyzing trace with hash 572521996, now seen corresponding path program 2 times [2024-10-22 12:01:18,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:01:18,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71115184] [2024-10-22 12:01:18,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:18,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:01:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:19,543 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:19,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:01:19,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71115184] [2024-10-22 12:01:19,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71115184] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:01:19,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358954883] [2024-10-22 12:01:19,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 12:01:19,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:01:19,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:01:19,547 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) [2024-10-22 12:01:19,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-22 12:01:19,673 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 12:01:19,674 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:01:19,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-22 12:01:19,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:01:20,383 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 15 treesize of output 7 [2024-10-22 12:01:20,462 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-22 12:01:20,463 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:01:20,604 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:01:20,604 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 27 treesize of output 18 [2024-10-22 12:01:20,726 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-22 12:01:20,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358954883] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:01:20,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:01:20,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 24 [2024-10-22 12:01:20,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546691076] [2024-10-22 12:01:20,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:01:20,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-22 12:01:20,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:01:20,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-22 12:01:20,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2024-10-22 12:01:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:20,732 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:01:20,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.208333333333333) internal successors, (149), 24 states have internal predecessors, (149), 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) [2024-10-22 12:01:20,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:20,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:20,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:20,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:20,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:20,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:20,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:21,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:21,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:21,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:21,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:21,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:21,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-22 12:01:22,047 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 [2024-10-22 12:01:22,048 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:01:22,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:01:22,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1432359856, now seen corresponding path program 3 times [2024-10-22 12:01:22,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:01:22,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748982175] [2024-10-22 12:01:22,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:22,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:01:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-22 12:01:22,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:01:22,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748982175] [2024-10-22 12:01:22,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748982175] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:01:22,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837089928] [2024-10-22 12:01:22,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 12:01:22,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:01:22,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:01:22,215 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) [2024-10-22 12:01:22,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-22 12:01:22,344 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-22 12:01:22,344 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:01:22,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-22 12:01:22,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:01:22,522 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:22,523 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:01:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:22,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837089928] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:01:22,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:01:22,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-10-22 12:01:22,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379280369] [2024-10-22 12:01:22,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:01:22,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-22 12:01:22,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:01:22,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-22 12:01:22,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-10-22 12:01:22,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:22,639 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:01:22,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.714285714285714) internal successors, (150), 14 states have internal predecessors, (150), 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) [2024-10-22 12:01:22,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:22,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:22,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:22,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:22,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:22,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:22,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:22,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:23,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:23,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:23,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:23,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:23,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:23,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:23,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:23,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:01:23,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-22 12:01:23,283 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 [2024-10-22 12:01:23,284 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:01:23,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:01:23,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1166217816, now seen corresponding path program 4 times [2024-10-22 12:01:23,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:01:23,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031891810] [2024-10-22 12:01:23,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:23,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:01:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:23,551 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:23,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:01:23,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031891810] [2024-10-22 12:01:23,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031891810] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:01:23,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293802767] [2024-10-22 12:01:23,553 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-22 12:01:23,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:01:23,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:01:23,556 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) [2024-10-22 12:01:23,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-22 12:01:23,664 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-22 12:01:23,665 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:01:23,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-22 12:01:23,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:01:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-22 12:01:23,818 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:01:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-22 12:01:23,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293802767] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:01:23,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:01:23,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 5] total 15 [2024-10-22 12:01:23,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729008900] [2024-10-22 12:01:23,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:01:23,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-22 12:01:23,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:01:23,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-22 12:01:23,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-10-22 12:01:23,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:23,911 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:01:23,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.933333333333334) internal successors, (149), 15 states have internal predecessors, (149), 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) [2024-10-22 12:01:23,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:23,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:23,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:23,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:23,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:23,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:23,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:23,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:01:23,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:24,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:24,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:24,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:24,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:01:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:01:24,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-22 12:01:24,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:01:24,820 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:01:24,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:01:24,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1155215202, now seen corresponding path program 5 times [2024-10-22 12:01:24,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:01:24,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895202743] [2024-10-22 12:01:24,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:24,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:01:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:26,957 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:26,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:01:26,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895202743] [2024-10-22 12:01:26,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895202743] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:01:26,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029988700] [2024-10-22 12:01:26,958 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-22 12:01:26,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:01:26,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:01:26,960 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) [2024-10-22 12:01:26,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-22 12:01:27,098 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-10-22 12:01:27,098 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:01:27,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-10-22 12:01:27,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:01:27,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-22 12:01:27,821 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:01:27,821 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 41 treesize of output 44 [2024-10-22 12:01:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:28,063 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:01:28,524 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-22 12:01:28,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029988700] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:01:28,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:01:28,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 13] total 43 [2024-10-22 12:01:28,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626058137] [2024-10-22 12:01:28,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:01:28,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-10-22 12:01:28,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:01:28,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-10-22 12:01:28,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1649, Unknown=0, NotChecked=0, Total=1806 [2024-10-22 12:01:28,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:28,528 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:01:28,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.232558139534884) internal successors, (182), 43 states have internal predecessors, (182), 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) [2024-10-22 12:01:28,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:28,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:01:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-22 12:01:28,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:01:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:01:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:01:35,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-22 12:01:35,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-22 12:01:35,932 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:01:35,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:01:35,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1829346598, now seen corresponding path program 1 times [2024-10-22 12:01:35,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:01:35,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505898233] [2024-10-22 12:01:35,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:35,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:01:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:37,316 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:37,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:01:37,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505898233] [2024-10-22 12:01:37,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505898233] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:01:37,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022270463] [2024-10-22 12:01:37,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:37,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:01:37,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:01:37,319 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) [2024-10-22 12:01:37,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-22 12:01:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:37,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-10-22 12:01:37,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:01:38,198 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:01:38,199 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 36 treesize of output 12 [2024-10-22 12:01:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:38,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:01:38,815 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:01:38,816 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 46 treesize of output 52 [2024-10-22 12:01:39,047 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-22 12:01:39,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022270463] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:01:39,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:01:39,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 14] total 42 [2024-10-22 12:01:39,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336838878] [2024-10-22 12:01:39,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:01:39,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-10-22 12:01:39,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:01:39,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-10-22 12:01:39,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1557, Unknown=0, NotChecked=0, Total=1722 [2024-10-22 12:01:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:39,052 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:01:39,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.380952380952381) internal successors, (184), 42 states have internal predecessors, (184), 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) [2024-10-22 12:01:39,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:39,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:39,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:39,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:39,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:39,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:01:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-22 12:01:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:01:39,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:42,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:42,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:01:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:01:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:01:42,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-22 12:01:42,645 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,SelfDestructingSolverStorable10 [2024-10-22 12:01:42,646 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:01:42,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:01:42,646 INFO L85 PathProgramCache]: Analyzing trace with hash 989866624, now seen corresponding path program 2 times [2024-10-22 12:01:42,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:01:42,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289140409] [2024-10-22 12:01:42,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:42,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:01:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 64 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:42,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:01:42,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289140409] [2024-10-22 12:01:42,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289140409] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:01:42,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415547996] [2024-10-22 12:01:42,996 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 12:01:42,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:01:42,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:01:42,999 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) [2024-10-22 12:01:43,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-22 12:01:43,126 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 12:01:43,126 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:01:43,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-22 12:01:43,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:01:43,342 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-22 12:01:43,342 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:01:43,534 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-22 12:01:43,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415547996] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:01:43,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:01:43,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 29 [2024-10-22 12:01:43,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727119238] [2024-10-22 12:01:43,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:01:43,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-22 12:01:43,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:01:43,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-22 12:01:43,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=705, Unknown=0, NotChecked=0, Total=870 [2024-10-22 12:01:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:43,537 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:01:43,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 6.9) internal successors, (207), 29 states have internal predecessors, (207), 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) [2024-10-22 12:01:43,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:43,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:43,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:43,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:43,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:43,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:43,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:43,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:01:43,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:43,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:01:43,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:01:43,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:44,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:44,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:44,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:01:44,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:44,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:01:44,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:01:44,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 12:01:44,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-22 12:01:44,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:01:44,317 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:01:44,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:01:44,317 INFO L85 PathProgramCache]: Analyzing trace with hash 913275274, now seen corresponding path program 3 times [2024-10-22 12:01:44,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:01:44,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738985948] [2024-10-22 12:01:44,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:44,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:01:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:47,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:01:47,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738985948] [2024-10-22 12:01:47,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738985948] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:01:47,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413507370] [2024-10-22 12:01:47,991 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 12:01:47,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:01:47,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:01:47,993 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) [2024-10-22 12:01:47,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-22 12:01:48,150 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-22 12:01:48,150 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:01:48,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-10-22 12:01:48,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:01:50,251 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:01:50,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 73 treesize of output 187 [2024-10-22 12:01:51,635 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:51,636 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:01:52,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:01:52,868 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 27 treesize of output 20 [2024-10-22 12:01:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:53,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413507370] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:01:53,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:01:53,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 28] total 78 [2024-10-22 12:01:53,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616943879] [2024-10-22 12:01:53,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:01:53,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-10-22 12:01:53,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:01:53,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-10-22 12:01:53,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=414, Invalid=5748, Unknown=0, NotChecked=0, Total=6162 [2024-10-22 12:01:53,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:53,478 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:01:53,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 3.037974683544304) internal successors, (240), 78 states have internal predecessors, (240), 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) [2024-10-22 12:01:53,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:53,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:53,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:53,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:53,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:01:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:01:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:01:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 12:01:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:01:58,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:58,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:58,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:58,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:01:58,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:01:58,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:58,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:01:58,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:01:58,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:01:58,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:01:58,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 12:01:58,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-22 12:01:58,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-22 12:01:59,153 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,SelfDestructingSolverStorable12 [2024-10-22 12:01:59,153 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:01:59,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:01:59,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1461056576, now seen corresponding path program 4 times [2024-10-22 12:01:59,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:01:59,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055591363] [2024-10-22 12:01:59,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:01:59,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:01:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:01:59,629 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 18 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:01:59,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:01:59,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055591363] [2024-10-22 12:01:59,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055591363] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:01:59,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604328850] [2024-10-22 12:01:59,630 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-22 12:01:59,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:01:59,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:01:59,632 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) [2024-10-22 12:01:59,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-22 12:01:59,787 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-22 12:01:59,787 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:01:59,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-22 12:01:59,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:02:00,157 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 15 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:02:00,158 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:02:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 21 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:02:00,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604328850] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:02:00,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:02:00,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 36 [2024-10-22 12:02:00,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554169358] [2024-10-22 12:02:00,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:02:00,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-22 12:02:00,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:02:00,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-22 12:02:00,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=1114, Unknown=0, NotChecked=0, Total=1332 [2024-10-22 12:02:00,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:02:00,467 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:02:00,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 6.54054054054054) internal successors, (242), 36 states have internal predecessors, (242), 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) [2024-10-22 12:02:00,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:02:00,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:00,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:02:00,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:00,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:00,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:02:00,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:02:00,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:02:00,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:02:00,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:02:00,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:02:00,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 12:02:00,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-22 12:02:00,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:02:02,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:02:02,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:02,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:02:02,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:02,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:02:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:02:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:02:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:02:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:02:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:02:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 12:02:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-22 12:02:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-22 12:02:02,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-22 12:02:02,605 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,SelfDestructingSolverStorable13 [2024-10-22 12:02:02,606 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:02:02,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:02:02,607 INFO L85 PathProgramCache]: Analyzing trace with hash 318214584, now seen corresponding path program 5 times [2024-10-22 12:02:02,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:02:02,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236939291] [2024-10-22 12:02:02,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:02:02,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:02:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:02:07,515 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:02:07,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:02:07,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236939291] [2024-10-22 12:02:07,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236939291] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:02:07,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472966361] [2024-10-22 12:02:07,516 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-22 12:02:07,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:02:07,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:02:07,520 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) [2024-10-22 12:02:07,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-22 12:02:07,699 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-10-22 12:02:07,700 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:02:07,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-10-22 12:02:07,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:02:07,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-22 12:02:10,195 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:02:10,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 79 treesize of output 19 [2024-10-22 12:02:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:02:10,442 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:02:12,257 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-22 12:02:12,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472966361] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:02:12,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:02:12,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 25] total 83 [2024-10-22 12:02:12,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343207768] [2024-10-22 12:02:12,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:02:12,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-10-22 12:02:12,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:02:12,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-10-22 12:02:12,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=6479, Unknown=0, NotChecked=0, Total=6806 [2024-10-22 12:02:12,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:02:12,262 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:02:12,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 3.0602409638554215) internal successors, (254), 83 states have internal predecessors, (254), 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) [2024-10-22 12:02:12,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:02:12,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:12,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:02:12,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:12,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:12,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:02:12,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:02:12,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:02:12,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:02:12,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:02:12,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:02:12,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 12:02:12,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-22 12:02:12,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-22 12:02:12,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:02:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:02:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:02:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:02:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:02:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:02:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:02:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:02:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:02:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 12:02:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-22 12:02:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-22 12:02:23,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-10-22 12:02:23,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-22 12:02:23,901 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,SelfDestructingSolverStorable14 [2024-10-22 12:02:23,902 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:02:23,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:02:23,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1873158118, now seen corresponding path program 6 times [2024-10-22 12:02:23,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:02:23,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948839699] [2024-10-22 12:02:23,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:02:23,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:02:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:02:24,984 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 371 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:02:24,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:02:24,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948839699] [2024-10-22 12:02:24,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948839699] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:02:24,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590829374] [2024-10-22 12:02:24,985 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-22 12:02:24,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:02:24,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:02:24,988 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) [2024-10-22 12:02:24,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-22 12:02:25,255 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-10-22 12:02:25,255 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:02:25,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-22 12:02:25,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:02:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 333 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:02:25,930 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:02:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 351 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:02:26,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590829374] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:02:26,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:02:26,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 20, 20] total 68 [2024-10-22 12:02:26,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933544870] [2024-10-22 12:02:26,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:02:26,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-10-22 12:02:26,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:02:26,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-10-22 12:02:26,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=734, Invalid=3958, Unknown=0, NotChecked=0, Total=4692 [2024-10-22 12:02:26,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:02:26,606 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:02:26,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 5.63768115942029) internal successors, (389), 68 states have internal predecessors, (389), 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) [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-10-22 12:02:26,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:02:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:02:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:02:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:02:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:02:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:02:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:02:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:02:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:02:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:02:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 12:02:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-22 12:02:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-22 12:02:27,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-10-22 12:02:27,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:02:27,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-22 12:02:27,689 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,SelfDestructingSolverStorable15 [2024-10-22 12:02:27,689 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:02:27,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:02:27,690 INFO L85 PathProgramCache]: Analyzing trace with hash -58368614, now seen corresponding path program 7 times [2024-10-22 12:02:27,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:02:27,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625588330] [2024-10-22 12:02:27,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:02:27,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:02:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:02:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 466 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:02:38,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:02:38,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625588330] [2024-10-22 12:02:38,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625588330] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:02:38,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752411849] [2024-10-22 12:02:38,072 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-22 12:02:38,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:02:38,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:02:38,074 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) [2024-10-22 12:02:38,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-22 12:02:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:02:38,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 187 conjuncts are in the unsatisfiable core [2024-10-22 12:02:38,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:02:45,662 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:02:45,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 149 treesize of output 29 [2024-10-22 12:02:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 55 proven. 411 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:02:46,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:02:55,268 INFO L349 Elim1Store]: treesize reduction 210, result has 82.6 percent of original size [2024-10-22 12:02:55,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 206 treesize of output 1022 [2024-10-22 12:03:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-22 12:03:32,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752411849] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:03:32,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:03:32,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 46] total 155 [2024-10-22 12:03:32,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145180920] [2024-10-22 12:03:32,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:03:32,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 155 states [2024-10-22 12:03:32,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:03:32,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2024-10-22 12:03:32,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1508, Invalid=22362, Unknown=0, NotChecked=0, Total=23870 [2024-10-22 12:03:32,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:03:32,311 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:03:32,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 155 states, 155 states have (on average 2.529032258064516) internal successors, (392), 155 states have internal predecessors, (392), 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) [2024-10-22 12:03:32,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:03:32,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:03:32,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:03:32,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:03:32,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:03:32,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:03:32,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:03:32,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:03:32,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:03:32,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:03:32,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:03:32,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 12:03:32,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-22 12:03:32,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-22 12:03:32,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-10-22 12:03:32,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:03:32,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:05:17,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:05:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:05:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:05:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:05:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:05:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:05:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:05:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:05:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:05:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:05:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:05:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 12:05:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-22 12:05:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-22 12:05:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-10-22 12:05:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:05:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2024-10-22 12:05:17,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-22 12:05:17,918 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,SelfDestructingSolverStorable16 [2024-10-22 12:05:17,919 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:05:17,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:05:17,919 INFO L85 PathProgramCache]: Analyzing trace with hash 489680640, now seen corresponding path program 8 times [2024-10-22 12:05:17,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:05:17,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607051345] [2024-10-22 12:05:17,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:05:17,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:05:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:05:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1678 backedges. 1541 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:05:21,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:05:21,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607051345] [2024-10-22 12:05:21,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607051345] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:05:21,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217736421] [2024-10-22 12:05:21,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 12:05:21,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:05:21,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:05:21,233 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) [2024-10-22 12:05:21,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-22 12:05:21,486 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 12:05:21,486 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:05:21,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-22 12:05:21,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:05:23,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1678 backedges. 1541 proven. 135 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-22 12:05:23,462 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 12:05:25,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1678 backedges. 1598 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-22 12:05:25,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217736421] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 12:05:25,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 12:05:25,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 34, 34] total 121 [2024-10-22 12:05:25,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547743213] [2024-10-22 12:05:25,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 12:05:25,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-10-22 12:05:25,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 12:05:25,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-10-22 12:05:25,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2389, Invalid=12373, Unknown=0, NotChecked=0, Total=14762 [2024-10-22 12:05:25,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:05:25,450 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 12:05:25,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 5.040983606557377) internal successors, (615), 121 states have internal predecessors, (615), 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) [2024-10-22 12:05:25,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:05:25,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:05:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:05:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:05:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:05:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:05:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:05:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:05:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:05:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:05:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:05:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 12:05:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-22 12:05:25,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-22 12:05:25,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-10-22 12:05:25,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:05:25,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 210 states. [2024-10-22 12:05:25,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:05:27,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 12:05:27,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:05:27,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:05:27,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:05:27,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-22 12:05:27,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 12:05:27,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:05:27,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 12:05:27,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-22 12:05:27,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-22 12:05:27,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-22 12:05:27,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 12:05:27,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-22 12:05:27,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-22 12:05:27,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-10-22 12:05:27,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-22 12:05:27,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2024-10-22 12:05:27,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-22 12:05:27,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-22 12:05:27,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-22 12:05:27,511 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 12:05:27,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 12:05:27,512 INFO L85 PathProgramCache]: Analyzing trace with hash 537390858, now seen corresponding path program 9 times [2024-10-22 12:05:27,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 12:05:27,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333704848] [2024-10-22 12:05:27,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 12:05:27,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 12:05:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 12:06:23,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 0 proven. 1831 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 12:06:23,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 12:06:23,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333704848] [2024-10-22 12:06:23,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333704848] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 12:06:23,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084065582] [2024-10-22 12:06:23,979 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 12:06:23,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 12:06:23,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 12:06:23,983 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) [2024-10-22 12:06:23,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-22 12:06:25,975 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2024-10-22 12:06:25,975 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 12:06:25,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 393 conjuncts are in the unsatisfiable core [2024-10-22 12:06:26,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 12:06:29,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-22 12:06:29,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-22 12:07:32,533 WARN L286 SmtUtils]: Spent 23.18s on a formula simplification that was a NOOP. DAG size: 1062 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-10-22 12:07:32,533 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-22 12:07:32,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 38 select indices, 38 select index equivalence classes, 3 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 703 case distinctions, treesize of input 345 treesize of output 3915 Killed by 15