./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 559b036c Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c --- Real Ultimate output --- This is Ultimate 0.2.3-?-559b036-m [2023-11-23 03:37:15,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 03:37:15,979 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-23 03:37:15,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 03:37:15,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 03:37:16,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 03:37:16,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 03:37:16,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 03:37:16,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 03:37:16,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 03:37:16,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 03:37:16,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 03:37:16,016 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 03:37:16,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 03:37:16,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 03:37:16,018 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 03:37:16,018 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 03:37:16,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 03:37:16,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 03:37:16,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 03:37:16,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 03:37:16,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 03:37:16,019 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 03:37:16,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 03:37:16,020 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 03:37:16,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 03:37:16,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 03:37:16,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 03:37:16,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 03:37:16,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 03:37:16,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 03:37:16,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 03:37:16,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 03:37:16,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 03:37:16,023 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-23 03:37:16,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 03:37:16,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 03:37:16,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-23 03:37:16,023 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 03:37:16,023 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-23 03:37:16,024 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-23 03:37:16,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c [2023-11-23 03:37:16,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 03:37:16,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 03:37:16,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 03:37:16,260 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 03:37:16,261 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 03:37:16,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c [2023-11-23 03:37:17,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 03:37:17,490 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 03:37:17,491 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c [2023-11-23 03:37:17,498 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8e1168c0e/9fa8699e0e9f445db560bda756603059/FLAG8b9a25f51 [2023-11-23 03:37:17,522 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8e1168c0e/9fa8699e0e9f445db560bda756603059 [2023-11-23 03:37:17,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 03:37:17,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 03:37:17,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 03:37:17,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 03:37:17,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 03:37:17,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:17" (1/1) ... [2023-11-23 03:37:17,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf70f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:17, skipping insertion in model container [2023-11-23 03:37:17,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:17" (1/1) ... [2023-11-23 03:37:17,564 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 03:37:17,714 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2023-11-23 03:37:17,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 03:37:17,728 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 03:37:17,748 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2023-11-23 03:37:17,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 03:37:17,760 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 03:37:17,761 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 03:37:17,766 INFO L206 MainTranslator]: Completed translation [2023-11-23 03:37:17,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:17 WrapperNode [2023-11-23 03:37:17,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 03:37:17,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 03:37:17,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 03:37:17,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 03:37:17,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:17" (1/1) ... [2023-11-23 03:37:17,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:17" (1/1) ... [2023-11-23 03:37:17,804 INFO L138 Inliner]: procedures = 29, calls = 95, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 307 [2023-11-23 03:37:17,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 03:37:17,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 03:37:17,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 03:37:17,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 03:37:17,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:17" (1/1) ... [2023-11-23 03:37:17,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:17" (1/1) ... [2023-11-23 03:37:17,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:17" (1/1) ... [2023-11-23 03:37:17,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:17" (1/1) ... [2023-11-23 03:37:17,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:17" (1/1) ... [2023-11-23 03:37:17,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:17" (1/1) ... [2023-11-23 03:37:17,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:17" (1/1) ... [2023-11-23 03:37:17,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:17" (1/1) ... [2023-11-23 03:37:17,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 03:37:17,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 03:37:17,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 03:37:17,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 03:37:17,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:17" (1/1) ... [2023-11-23 03:37:17,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 03:37:17,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:17,881 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) [2023-11-23 03:37:17,884 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 [2023-11-23 03:37:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 03:37:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 03:37:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 03:37:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 03:37:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 03:37:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 03:37:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 03:37:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 03:37:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 03:37:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 03:37:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 03:37:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 03:37:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 03:37:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-23 03:37:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-23 03:37:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-23 03:37:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-23 03:37:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 03:37:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 03:37:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 03:37:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 03:37:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 03:37:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 03:37:17,923 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 03:37:18,095 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 03:37:18,097 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 03:37:18,416 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 03:37:18,651 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 03:37:18,652 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-23 03:37:18,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:18 BoogieIcfgContainer [2023-11-23 03:37:18,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 03:37:18,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 03:37:18,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 03:37:18,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 03:37:18,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:37:17" (1/3) ... [2023-11-23 03:37:18,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fd1e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:37:18, skipping insertion in model container [2023-11-23 03:37:18,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:17" (2/3) ... [2023-11-23 03:37:18,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fd1e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:37:18, skipping insertion in model container [2023-11-23 03:37:18,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:18" (3/3) ... [2023-11-23 03:37:18,661 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2023-11-23 03:37:18,670 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 03:37:18,677 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 03:37:18,677 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 03:37:18,677 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 03:37:18,767 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-11-23 03:37:18,808 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 03:37:18,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-23 03:37:18,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:18,810 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) [2023-11-23 03:37:18,837 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 [2023-11-23 03:37:18,873 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-23 03:37:18,882 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork2 ======== [2023-11-23 03:37:18,888 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@e2c4ea1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 03:37:18,888 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 03:37:20,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork2Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-11-23 03:37:20,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork2Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-11-23 03:37:20,998 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-11-23 03:37:21,000 INFO L307 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork2 was SAFE,SAFE (1/3) [2023-11-23 03:37:21,009 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 03:37:21,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-23 03:37:21,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:21,072 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) [2023-11-23 03:37:21,148 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 [2023-11-23 03:37:21,158 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-23 03:37:21,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2023-11-23 03:37:21,159 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@e2c4ea1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 03:37:21,159 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 03:37:22,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-11-23 03:37:22,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-11-23 03:37:22,755 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-11-23 03:37:22,756 INFO L307 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE,SAFE (2/3) [2023-11-23 03:37:22,758 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 03:37:22,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-23 03:37:22,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:22,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-23 03:37:22,790 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-23 03:37:22,790 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-23 03:37:22,791 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@e2c4ea1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 03:37:22,791 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 03:37:22,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2023-11-23 03:37:22,961 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:22,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:22,965 INFO L85 PathProgramCache]: Analyzing trace with hash -802260337, now seen corresponding path program 1 times [2023-11-23 03:37:22,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:22,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947937164] [2023-11-23 03:37:22,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:22,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:23,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:23,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947937164] [2023-11-23 03:37:23,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947937164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 03:37:23,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 03:37:23,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 03:37:23,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033166795] [2023-11-23 03:37:23,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 03:37:23,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 03:37:23,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:23,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 03:37:23,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 03:37:23,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:23,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:23,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2023-11-23 03:37:23,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:23,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:23,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 03:37:23,432 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:23,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:23,433 INFO L85 PathProgramCache]: Analyzing trace with hash 387840714, now seen corresponding path program 1 times [2023-11-23 03:37:23,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:23,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107477687] [2023-11-23 03:37:23,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:23,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:23,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:23,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:23,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107477687] [2023-11-23 03:37:23,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107477687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 03:37:23,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 03:37:23,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 03:37:23,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469170691] [2023-11-23 03:37:23,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 03:37:23,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 03:37:23,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:23,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 03:37:23,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 03:37:23,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:23,638 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:23,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2023-11-23 03:37:23,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:23,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:23,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:23,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:23,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 03:37:23,737 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:23,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:23,738 INFO L85 PathProgramCache]: Analyzing trace with hash -293273088, now seen corresponding path program 2 times [2023-11-23 03:37:23,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:23,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529801134] [2023-11-23 03:37:23,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:23,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:23,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:23,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529801134] [2023-11-23 03:37:23,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529801134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 03:37:23,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 03:37:23,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 03:37:23,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93398339] [2023-11-23 03:37:23,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 03:37:23,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 03:37:23,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:23,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 03:37:23,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 03:37:23,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:23,889 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:23,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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) [2023-11-23 03:37:23,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:23,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:23,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:23,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:23,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:23,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:23,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 03:37:23,994 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:23,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:23,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1999603257, now seen corresponding path program 1 times [2023-11-23 03:37:23,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:23,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825506402] [2023-11-23 03:37:23,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:23,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:24,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:24,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825506402] [2023-11-23 03:37:24,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825506402] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:24,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220124428] [2023-11-23 03:37:24,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:24,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:24,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:24,123 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) [2023-11-23 03:37:24,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 03:37:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:24,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 03:37:24,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:37:24,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:24,392 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:37:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:24,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220124428] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:37:24,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:37:24,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-23 03:37:24,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628710431] [2023-11-23 03:37:24,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:37:24,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 03:37:24,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:24,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 03:37:24,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-23 03:37:24,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:24,462 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:24,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 states have internal predecessors, (120), 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) [2023-11-23 03:37:24,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:24,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:24,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:24,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:24,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:24,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:24,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:24,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:24,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 03:37:24,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:24,890 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:24,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:24,890 INFO L85 PathProgramCache]: Analyzing trace with hash 938736352, now seen corresponding path program 2 times [2023-11-23 03:37:24,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:24,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952365070] [2023-11-23 03:37:24,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:24,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 03:37:25,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:25,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952365070] [2023-11-23 03:37:25,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952365070] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:25,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212083743] [2023-11-23 03:37:25,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 03:37:25,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:25,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:25,021 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) [2023-11-23 03:37:25,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 03:37:25,199 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 03:37:25,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:37:25,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 03:37:25,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:37:25,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 03:37:25,284 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:37:25,344 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 03:37:25,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212083743] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:25,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 03:37:25,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2023-11-23 03:37:25,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114630268] [2023-11-23 03:37:25,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 03:37:25,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 03:37:25,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:25,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 03:37:25,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-11-23 03:37:25,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:25,348 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:25,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 03:37:25,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:25,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:25,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:25,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:25,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:25,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:25,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-23 03:37:25,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:25,851 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:25,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:25,852 INFO L85 PathProgramCache]: Analyzing trace with hash -459351730, now seen corresponding path program 1 times [2023-11-23 03:37:25,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:25,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637502065] [2023-11-23 03:37:25,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:25,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:25,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:25,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:25,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637502065] [2023-11-23 03:37:25,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637502065] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:25,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558283576] [2023-11-23 03:37:25,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:25,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:25,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:25,976 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) [2023-11-23 03:37:26,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 03:37:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:26,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 03:37:26,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:37:26,182 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:26,182 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:37:26,258 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:26,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558283576] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:26,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 03:37:26,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2023-11-23 03:37:26,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799063743] [2023-11-23 03:37:26,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 03:37:26,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 03:37:26,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:26,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 03:37:26,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-11-23 03:37:26,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:26,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:26,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 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) [2023-11-23 03:37:26,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:26,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:26,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:26,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:26,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:26,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:26,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 03:37:26,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:26,598 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:26,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:26,598 INFO L85 PathProgramCache]: Analyzing trace with hash -754237889, now seen corresponding path program 1 times [2023-11-23 03:37:26,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:26,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825258441] [2023-11-23 03:37:26,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:26,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 03:37:27,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:27,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825258441] [2023-11-23 03:37:27,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825258441] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:27,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342868560] [2023-11-23 03:37:27,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:27,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:27,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:27,081 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) [2023-11-23 03:37:27,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 03:37:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:27,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 03:37:27,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:37:27,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-11-23 03:37:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 03:37:27,565 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:37:27,677 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 03:37:27,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 16 [2023-11-23 03:37:27,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 03:37:27,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342868560] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:37:27,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:37:27,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 18 [2023-11-23 03:37:27,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6981777] [2023-11-23 03:37:27,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:37:27,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-23 03:37:27,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:27,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-23 03:37:27,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2023-11-23 03:37:27,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:27,766 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:27,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.277777777777778) internal successors, (131), 18 states have internal predecessors, (131), 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) [2023-11-23 03:37:27,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:27,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:27,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:28,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:28,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:28,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:28,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:28,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:28,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:28,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:28,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-23 03:37:28,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-23 03:37:28,493 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:28,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:28,493 INFO L85 PathProgramCache]: Analyzing trace with hash -572911430, now seen corresponding path program 2 times [2023-11-23 03:37:28,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:28,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838060634] [2023-11-23 03:37:28,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:28,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:28,594 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 03:37:28,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:28,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838060634] [2023-11-23 03:37:28,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838060634] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 03:37:28,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 03:37:28,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 03:37:28,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109554677] [2023-11-23 03:37:28,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 03:37:28,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 03:37:28,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:28,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 03:37:28,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 03:37:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:28,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:28,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2023-11-23 03:37:28,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:28,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:28,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:28,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:28,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:28,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:28,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:28,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:28,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 03:37:28,745 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:28,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:28,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1949261958, now seen corresponding path program 3 times [2023-11-23 03:37:28,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:28,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715758518] [2023-11-23 03:37:28,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:28,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:28,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:28,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715758518] [2023-11-23 03:37:28,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715758518] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:28,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846692915] [2023-11-23 03:37:28,933 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 03:37:28,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:28,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:28,934 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) [2023-11-23 03:37:28,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 03:37:29,096 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-23 03:37:29,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:37:29,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 03:37:29,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:37:29,226 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:29,226 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:37:29,318 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:29,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846692915] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:37:29,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:37:29,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2023-11-23 03:37:29,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38237461] [2023-11-23 03:37:29,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:37:29,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-23 03:37:29,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:29,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-23 03:37:29,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-11-23 03:37:29,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:29,321 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:29,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.9411764705882355) internal successors, (135), 16 states have internal predecessors, (135), 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) [2023-11-23 03:37:29,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:29,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:29,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:29,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:29,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:29,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:29,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:29,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:29,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:29,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:29,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-23 03:37:29,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:29,668 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:29,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:29,668 INFO L85 PathProgramCache]: Analyzing trace with hash 289032833, now seen corresponding path program 4 times [2023-11-23 03:37:29,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:29,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629138967] [2023-11-23 03:37:29,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:29,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:29,839 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 03:37:29,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:29,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629138967] [2023-11-23 03:37:29,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629138967] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:29,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774076694] [2023-11-23 03:37:29,839 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 03:37:29,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:29,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:29,854 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) [2023-11-23 03:37:29,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-23 03:37:29,981 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 03:37:29,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:37:29,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 03:37:29,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:37:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 03:37:30,092 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:37:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 03:37:30,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774076694] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:37:30,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:37:30,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2023-11-23 03:37:30,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912459630] [2023-11-23 03:37:30,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:37:30,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-23 03:37:30,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:30,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-23 03:37:30,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-11-23 03:37:30,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:30,189 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:30,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.882352941176471) internal successors, (151), 17 states have internal predecessors, (151), 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) [2023-11-23 03:37:30,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:30,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:30,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:30,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:30,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:30,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:30,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:30,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:30,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:30,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:30,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 03:37:30,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-23 03:37:30,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-23 03:37:30,857 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:30,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:30,857 INFO L85 PathProgramCache]: Analyzing trace with hash -477871167, now seen corresponding path program 5 times [2023-11-23 03:37:30,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:30,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622010805] [2023-11-23 03:37:30,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:30,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 03:37:31,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:31,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622010805] [2023-11-23 03:37:31,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622010805] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:31,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131197031] [2023-11-23 03:37:31,049 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-23 03:37:31,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:31,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:31,051 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) [2023-11-23 03:37:31,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 03:37:31,208 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2023-11-23 03:37:31,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:37:31,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 03:37:31,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:37:31,318 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 03:37:31,319 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:37:31,363 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 03:37:31,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131197031] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:37:31,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:37:31,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 16 [2023-11-23 03:37:31,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783409903] [2023-11-23 03:37:31,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:37:31,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-23 03:37:31,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:31,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-23 03:37:31,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-11-23 03:37:31,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:31,366 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:31,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.6875) internal successors, (139), 16 states have internal predecessors, (139), 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) [2023-11-23 03:37:31,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:31,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:31,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:31,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:31,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:31,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:31,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:31,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:31,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:31,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-23 03:37:31,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:31,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:31,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:31,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:31,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:31,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:31,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:31,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:31,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:31,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:31,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:37:31,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:37:31,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-23 03:37:32,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-23 03:37:32,073 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:32,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:32,074 INFO L85 PathProgramCache]: Analyzing trace with hash 154942076, now seen corresponding path program 6 times [2023-11-23 03:37:32,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:32,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383281503] [2023-11-23 03:37:32,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:32,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:33,455 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:33,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:33,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383281503] [2023-11-23 03:37:33,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383281503] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:33,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944936171] [2023-11-23 03:37:33,455 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-23 03:37:33,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:33,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:33,457 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) [2023-11-23 03:37:33,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 03:37:33,632 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2023-11-23 03:37:33,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:37:33,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-23 03:37:33,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:37:34,056 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 03:37:34,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 12 [2023-11-23 03:37:34,077 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 03:37:34,078 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:37:34,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 03:37:34,279 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 45 treesize of output 46 [2023-11-23 03:37:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 03:37:34,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944936171] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:37:34,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:37:34,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 15, 12] total 41 [2023-11-23 03:37:34,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104794110] [2023-11-23 03:37:34,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:37:34,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-11-23 03:37:34,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:34,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-11-23 03:37:34,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1462, Unknown=0, NotChecked=0, Total=1640 [2023-11-23 03:37:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:34,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:34,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.7804878048780486) internal successors, (155), 41 states have internal predecessors, (155), 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) [2023-11-23 03:37:34,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:34,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:34,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:37:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:37:34,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:37:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:37:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:37:36,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-23 03:37:36,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:36,950 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:36,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:36,950 INFO L85 PathProgramCache]: Analyzing trace with hash -578479896, now seen corresponding path program 7 times [2023-11-23 03:37:36,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:36,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798074931] [2023-11-23 03:37:36,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:36,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 35 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:37,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:37,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798074931] [2023-11-23 03:37:37,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798074931] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:37,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774910746] [2023-11-23 03:37:37,284 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-23 03:37:37,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:37,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:37,285 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) [2023-11-23 03:37:37,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-23 03:37:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:37,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 03:37:37,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:37:37,640 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 53 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 03:37:37,640 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:37:37,790 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 53 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 03:37:37,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774910746] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:37:37,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:37:37,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 29 [2023-11-23 03:37:37,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550037897] [2023-11-23 03:37:37,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:37:37,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-23 03:37:37,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:37,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-23 03:37:37,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=706, Unknown=0, NotChecked=0, Total=870 [2023-11-23 03:37:37,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:37,794 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:37,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 6.433333333333334) internal successors, (193), 29 states have internal predecessors, (193), 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) [2023-11-23 03:37:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:37,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:37:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:37:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:37:37,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:38,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:38,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:37:38,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:37:38,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:37:38,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:37:38,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-23 03:37:38,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-23 03:37:38,425 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:38,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:38,426 INFO L85 PathProgramCache]: Analyzing trace with hash 84699201, now seen corresponding path program 8 times [2023-11-23 03:37:38,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:38,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552574949] [2023-11-23 03:37:38,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:38,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 43 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:38,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:38,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552574949] [2023-11-23 03:37:38,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552574949] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:38,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350353266] [2023-11-23 03:37:38,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 03:37:38,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:38,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:38,688 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) [2023-11-23 03:37:38,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-23 03:37:38,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 03:37:38,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:37:38,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 03:37:38,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:37:39,069 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 64 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:39,069 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:37:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 64 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:39,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350353266] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:37:39,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:37:39,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 26 [2023-11-23 03:37:39,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345589030] [2023-11-23 03:37:39,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:37:39,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-23 03:37:39,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:39,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-23 03:37:39,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2023-11-23 03:37:39,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:39,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:39,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.2592592592592595) internal successors, (169), 26 states have internal predecessors, (169), 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) [2023-11-23 03:37:39,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:39,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:39,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:39,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:39,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:39,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:39,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:39,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:39,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:39,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:37:39,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:37:39,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:37:39,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:37:39,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:39,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:37:39,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:37:39,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:37:39,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:37:39,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:37:39,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-23 03:37:39,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-23 03:37:39,723 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:39,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:39,723 INFO L85 PathProgramCache]: Analyzing trace with hash -831585272, now seen corresponding path program 9 times [2023-11-23 03:37:39,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:39,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160604288] [2023-11-23 03:37:39,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:39,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:41,727 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:41,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:41,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160604288] [2023-11-23 03:37:41,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160604288] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:41,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375747331] [2023-11-23 03:37:41,727 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 03:37:41,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:41,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:41,740 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) [2023-11-23 03:37:41,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-23 03:37:41,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-11-23 03:37:41,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:37:41,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 89 conjunts are in the unsatisfiable core [2023-11-23 03:37:41,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:37:42,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 03:37:42,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 17 [2023-11-23 03:37:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 03:37:42,983 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:37:43,695 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 03:37:43,695 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 85 treesize of output 166 [2023-11-23 03:37:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-23 03:37:44,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375747331] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:37:44,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:37:44,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 20] total 66 [2023-11-23 03:37:44,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020020198] [2023-11-23 03:37:44,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:37:44,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-11-23 03:37:44,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:44,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-11-23 03:37:44,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=3930, Unknown=0, NotChecked=0, Total=4290 [2023-11-23 03:37:44,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:44,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:44,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 3.3636363636363638) internal successors, (222), 66 states have internal predecessors, (222), 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) [2023-11-23 03:37:44,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:44,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:44,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:44,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:44,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:44,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:44,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:44,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:44,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:44,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:37:44,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:37:44,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:37:44,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:37:44,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:37:44,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:47,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:47,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:47,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:47,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:47,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:47,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:47,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-23 03:37:47,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-23 03:37:48,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-23 03:37:48,142 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:48,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:48,143 INFO L85 PathProgramCache]: Analyzing trace with hash 700791008, now seen corresponding path program 10 times [2023-11-23 03:37:48,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:48,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481100069] [2023-11-23 03:37:48,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:48,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 183 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:48,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:48,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481100069] [2023-11-23 03:37:48,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481100069] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:48,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804976565] [2023-11-23 03:37:48,793 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 03:37:48,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:48,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:48,794 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) [2023-11-23 03:37:48,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-23 03:37:48,992 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 03:37:48,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:37:48,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 03:37:48,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:37:49,383 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 254 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 03:37:49,384 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:37:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 254 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 03:37:49,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804976565] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:37:49,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:37:49,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 16, 16] total 54 [2023-11-23 03:37:49,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252984570] [2023-11-23 03:37:49,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:37:49,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-11-23 03:37:49,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:37:49,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-11-23 03:37:49,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=536, Invalid=2434, Unknown=0, NotChecked=0, Total=2970 [2023-11-23 03:37:49,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:49,739 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:37:49,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 5.654545454545454) internal successors, (311), 54 states have internal predecessors, (311), 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) [2023-11-23 03:37:49,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:49,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:49,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:49,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:49,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:49,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:49,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:49,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:49,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:49,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:37:49,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:37:49,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:37:49,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:37:49,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:37:49,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-11-23 03:37:49,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:37:50,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:37:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:37:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:37:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:37:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:37:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:37:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:37:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:37:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:37:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:37:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-23 03:37:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:37:50,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-23 03:37:50,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-23 03:37:50,546 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:37:50,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:37:50,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1746351904, now seen corresponding path program 11 times [2023-11-23 03:37:50,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:37:50,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998690077] [2023-11-23 03:37:50,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:37:50,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:37:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:37:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:37:56,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:37:56,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998690077] [2023-11-23 03:37:56,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998690077] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:37:56,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745861293] [2023-11-23 03:37:56,956 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-23 03:37:56,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:37:56,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:37:56,957 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) [2023-11-23 03:37:56,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-23 03:37:57,218 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2023-11-23 03:37:57,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:37:57,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 182 conjunts are in the unsatisfiable core [2023-11-23 03:37:57,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:37:57,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 12 [2023-11-23 03:37:57,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2023-11-23 03:37:57,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 03:37:57,738 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 8 treesize of output 1 [2023-11-23 03:37:57,791 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 8 treesize of output 1 [2023-11-23 03:37:57,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 03:37:58,033 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 8 treesize of output 1 [2023-11-23 03:37:58,107 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 8 treesize of output 1 [2023-11-23 03:38:00,347 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 03:38:00,348 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 121 treesize of output 25 [2023-11-23 03:38:00,362 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:38:00,362 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:38:04,473 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1088 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_thread4Thread1of1ForFork2_~#t5~0.base| v_ArrVal_1088) |c_thread4Thread1of1ForFork2_~#t6~0.base| v_ArrVal_1089) c_~X_0~0.base))) (= (let ((.cse1 (* 4 c_~i_3~0))) (+ (select .cse0 (+ c_~X_0~0.offset 12 .cse1)) (select .cse0 (+ c_~X_0~0.offset 28 .cse1)) (select .cse0 (+ 8 c_~X_0~0.offset .cse1)) (select .cse0 (+ 16 c_~X_0~0.offset .cse1)) (select .cse0 (+ 32 c_~X_0~0.offset .cse1)) (select .cse0 (+ c_~X_0~0.offset .cse1 24)) (select .cse0 (+ c_~X_0~0.offset 20 .cse1)) (select .cse0 (+ c_~X_0~0.offset 4 .cse1)) c_~s_2~0)) (+ (select .cse0 (+ c_~X_0~0.offset 24)) (select .cse0 (+ c_~X_0~0.offset 20)) (select .cse0 (+ c_~X_0~0.offset 12)) (select .cse0 (+ 32 c_~X_0~0.offset)) (select .cse0 (+ 16 c_~X_0~0.offset)) (select .cse0 (+ 8 c_~X_0~0.offset)) (select .cse0 (+ c_~X_0~0.offset 28)) (select .cse0 (+ c_~X_0~0.offset 4)))))) is different from false [2023-11-23 03:38:04,496 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_thread4Thread1of1ForFork2_~#t5~0.base_35| Int) (|v_thread4Thread1of1ForFork2_~#t6~0.base_35| Int)) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (or (< |v_thread4Thread1of1ForFork2_~#t6~0.base_35| .cse0) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1088 (Array Int Int))) (let ((.cse1 (select (store (store |c_#memory_int| |v_thread4Thread1of1ForFork2_~#t5~0.base_35| v_ArrVal_1088) |v_thread4Thread1of1ForFork2_~#t6~0.base_35| v_ArrVal_1089) c_~X_0~0.base))) (= (let ((.cse2 (* 4 c_~i_3~0))) (+ (select .cse1 (+ c_~X_0~0.offset .cse2 24)) (select .cse1 (+ c_~X_0~0.offset 4 .cse2)) (select .cse1 (+ c_~X_0~0.offset 28 .cse2)) (select .cse1 (+ c_~X_0~0.offset 20 .cse2)) (select .cse1 (+ 8 c_~X_0~0.offset .cse2)) (select .cse1 (+ c_~X_0~0.offset 12 .cse2)) (select .cse1 (+ 32 c_~X_0~0.offset .cse2)) (select .cse1 (+ 16 c_~X_0~0.offset .cse2)) c_~s_2~0)) (+ (select .cse1 (+ c_~X_0~0.offset 12)) (select .cse1 (+ 16 c_~X_0~0.offset)) (select .cse1 (+ 8 c_~X_0~0.offset)) (select .cse1 (+ c_~X_0~0.offset 4)) (select .cse1 (+ c_~X_0~0.offset 24)) (select .cse1 (+ c_~X_0~0.offset 28)) (select .cse1 (+ c_~X_0~0.offset 20)) (select .cse1 (+ 32 c_~X_0~0.offset)))))) (< |v_thread4Thread1of1ForFork2_~#t5~0.base_35| .cse0)))) is different from false [2023-11-23 03:38:06,668 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_thread4Thread1of1ForFork2_~#t5~0.base_35| Int) (|v_thread4Thread1of1ForFork2_~#t6~0.base_35| Int) (v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1087 (Array Int Int))) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (or (< |v_thread4Thread1of1ForFork2_~#t6~0.base_35| .cse0) (< |v_thread4Thread1of1ForFork2_~#t5~0.base_35| .cse0) (let ((.cse1 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_1087) |v_thread4Thread1of1ForFork2_~#t5~0.base_35| v_ArrVal_1088) |v_thread4Thread1of1ForFork2_~#t6~0.base_35| v_ArrVal_1089) c_~X_0~0.base))) (= (let ((.cse2 (* 4 c_~i_3~0))) (+ (select .cse1 (+ 8 c_~X_0~0.offset .cse2)) (select .cse1 (+ c_~X_0~0.offset 28 .cse2)) (select .cse1 (+ c_~X_0~0.offset 20 .cse2)) (select .cse1 (+ c_~X_0~0.offset .cse2 24)) (select .cse1 (+ c_~X_0~0.offset 12 .cse2)) (select .cse1 (+ c_~X_0~0.offset 4 .cse2)) (select .cse1 (+ 16 c_~X_0~0.offset .cse2)) (select .cse1 (+ 32 c_~X_0~0.offset .cse2)) c_~s_2~0)) (+ (select .cse1 (+ 16 c_~X_0~0.offset)) (select .cse1 (+ c_~X_0~0.offset 4)) (select .cse1 (+ c_~X_0~0.offset 28)) (select .cse1 (+ c_~X_0~0.offset 24)) (select .cse1 (+ c_~X_0~0.offset 20)) (select .cse1 (+ c_~X_0~0.offset 12)) (select .cse1 (+ 32 c_~X_0~0.offset)) (select .cse1 (+ 8 c_~X_0~0.offset)))))))) is different from false [2023-11-23 03:38:08,779 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_thread4Thread1of1ForFork2_~#t5~0.base_35| Int) (|v_thread4Thread1of1ForFork2_~#t6~0.base_35| Int) (v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1087 (Array Int Int)) (v_ArrVal_1086 (Array Int Int))) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (or (< |v_thread4Thread1of1ForFork2_~#t6~0.base_35| .cse0) (< |v_thread4Thread1of1ForFork2_~#t5~0.base_35| .cse0) (let ((.cse1 (select (store (store (store (store |c_#memory_int| |c_thread1Thread1of1ForFork0_~#t3~0.base| v_ArrVal_1086) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_1087) |v_thread4Thread1of1ForFork2_~#t5~0.base_35| v_ArrVal_1088) |v_thread4Thread1of1ForFork2_~#t6~0.base_35| v_ArrVal_1089) c_~X_0~0.base))) (= (let ((.cse2 (* 4 c_~i_3~0))) (+ (select .cse1 (+ c_~X_0~0.offset 20 .cse2)) (select .cse1 (+ c_~X_0~0.offset 12 .cse2)) (select .cse1 (+ c_~X_0~0.offset 4 .cse2)) (select .cse1 (+ 8 c_~X_0~0.offset .cse2)) (select .cse1 (+ c_~X_0~0.offset .cse2 24)) (select .cse1 (+ 32 c_~X_0~0.offset .cse2)) (select .cse1 (+ c_~X_0~0.offset 28 .cse2)) (select .cse1 (+ 16 c_~X_0~0.offset .cse2)) c_~s_2~0)) (+ (select .cse1 (+ 16 c_~X_0~0.offset)) (select .cse1 (+ c_~X_0~0.offset 12)) (select .cse1 (+ c_~X_0~0.offset 20)) (select .cse1 (+ c_~X_0~0.offset 4)) (select .cse1 (+ c_~X_0~0.offset 28)) (select .cse1 (+ 32 c_~X_0~0.offset)) (select .cse1 (+ c_~X_0~0.offset 24)) (select .cse1 (+ 8 c_~X_0~0.offset)))))))) is different from false [2023-11-23 03:38:10,822 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_thread4Thread1of1ForFork2_~#t5~0.base_35| Int) (|v_thread4Thread1of1ForFork2_~#t6~0.base_35| Int) (v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1087 (Array Int Int)) (v_ArrVal_1086 (Array Int Int)) (v_ArrVal_1085 (Array Int Int))) (let ((.cse0 (+ |c_#StackHeapBarrier| 1))) (or (< |v_thread4Thread1of1ForFork2_~#t6~0.base_35| .cse0) (let ((.cse1 (select (store (store (store (store (store |c_#memory_int| |c_thread1Thread1of1ForFork0_~#t2~0.base| v_ArrVal_1085) |c_thread1Thread1of1ForFork0_~#t3~0.base| v_ArrVal_1086) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_1087) |v_thread4Thread1of1ForFork2_~#t5~0.base_35| v_ArrVal_1088) |v_thread4Thread1of1ForFork2_~#t6~0.base_35| v_ArrVal_1089) c_~X_0~0.base))) (= (+ (select .cse1 (+ c_~X_0~0.offset 28)) (select .cse1 (+ 16 c_~X_0~0.offset)) (select .cse1 (+ c_~X_0~0.offset 12)) (select .cse1 (+ 32 c_~X_0~0.offset)) (select .cse1 (+ c_~X_0~0.offset 24)) (select .cse1 (+ c_~X_0~0.offset 4)) (select .cse1 (+ 8 c_~X_0~0.offset)) (select .cse1 (+ c_~X_0~0.offset 20))) (let ((.cse2 (* 4 c_~i_3~0))) (+ (select .cse1 (+ c_~X_0~0.offset 4 .cse2)) (select .cse1 (+ c_~X_0~0.offset 20 .cse2)) (select .cse1 (+ c_~X_0~0.offset .cse2 24)) (select .cse1 (+ 32 c_~X_0~0.offset .cse2)) (select .cse1 (+ 16 c_~X_0~0.offset .cse2)) (select .cse1 (+ 8 c_~X_0~0.offset .cse2)) (select .cse1 (+ c_~X_0~0.offset 12 .cse2)) c_~s_2~0 (select .cse1 (+ c_~X_0~0.offset 28 .cse2)))))) (< |v_thread4Thread1of1ForFork2_~#t5~0.base_35| .cse0)))) is different from false [2023-11-23 03:38:10,827 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-23 03:38:10,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745861293] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:38:10,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:38:10,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 53, 42] total 143 [2023-11-23 03:38:10,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557576706] [2023-11-23 03:38:10,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:38:10,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2023-11-23 03:38:10,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:38:10,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2023-11-23 03:38:10,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1223, Invalid=17668, Unknown=35, NotChecked=1380, Total=20306 [2023-11-23 03:38:10,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:38:10,833 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:38:10,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 2.2797202797202796) internal successors, (326), 143 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 03:38:10,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:10,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:10,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:10,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:10,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:10,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:10,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:38:10,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:10,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:38:10,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:38:10,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:38:10,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:38:10,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:38:10,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:38:10,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-11-23 03:38:10,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:10,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:38:37,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:37,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:37,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:37,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:37,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:38:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:38:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:38:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:38:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:38:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:38:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:38:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-23 03:38:37,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:37,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-11-23 03:38:37,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-23 03:38:37,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-23 03:38:37,625 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:38:37,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:38:37,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1976926416, now seen corresponding path program 12 times [2023-11-23 03:38:37,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:38:37,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865442133] [2023-11-23 03:38:37,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:38:37,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:38:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:38:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 863 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:38:38,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:38:38,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865442133] [2023-11-23 03:38:38,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865442133] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:38:38,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689947939] [2023-11-23 03:38:38,997 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-23 03:38:38,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:38:38,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:38:39,003 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) [2023-11-23 03:38:39,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-23 03:38:39,719 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2023-11-23 03:38:39,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:38:39,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 03:38:39,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:38:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 791 proven. 45 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2023-11-23 03:38:40,368 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:38:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 791 proven. 45 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2023-11-23 03:38:40,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689947939] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:38:40,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:38:40,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 21, 21] total 83 [2023-11-23 03:38:40,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269451323] [2023-11-23 03:38:40,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:38:40,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2023-11-23 03:38:40,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:38:40,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2023-11-23 03:38:40,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1133, Invalid=5839, Unknown=0, NotChecked=0, Total=6972 [2023-11-23 03:38:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:38:40,941 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:38:40,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 4.7976190476190474) internal successors, (403), 83 states have internal predecessors, (403), 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) [2023-11-23 03:38:40,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:40,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:40,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:40,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:40,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:40,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:40,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:38:40,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:40,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:38:40,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:38:40,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:38:40,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:38:40,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:38:40,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:38:40,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-11-23 03:38:40,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:40,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-11-23 03:38:40,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:38:41,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:38:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:38:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:38:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:38:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:38:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:38:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:38:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-23 03:38:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-11-23 03:38:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:41,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-23 03:38:42,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-23 03:38:42,037 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:38:42,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:38:42,038 INFO L85 PathProgramCache]: Analyzing trace with hash 319700329, now seen corresponding path program 13 times [2023-11-23 03:38:42,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:38:42,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823368402] [2023-11-23 03:38:42,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:38:42,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:38:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:38:43,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 863 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:38:43,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:38:43,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823368402] [2023-11-23 03:38:43,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823368402] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:38:43,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080239699] [2023-11-23 03:38:43,641 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-23 03:38:43,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:38:43,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:38:43,642 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) [2023-11-23 03:38:43,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-23 03:38:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:38:43,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 03:38:43,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:38:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 848 proven. 55 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-23 03:38:44,642 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:38:45,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 848 proven. 55 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-23 03:38:45,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080239699] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:38:45,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:38:45,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 23, 23] total 88 [2023-11-23 03:38:45,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271073933] [2023-11-23 03:38:45,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:38:45,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2023-11-23 03:38:45,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:38:45,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2023-11-23 03:38:45,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1259, Invalid=6573, Unknown=0, NotChecked=0, Total=7832 [2023-11-23 03:38:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:38:45,328 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:38:45,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 4.741573033707865) internal successors, (422), 88 states have internal predecessors, (422), 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) [2023-11-23 03:38:45,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:45,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:45,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:45,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:45,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:45,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:45,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:38:45,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:45,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:38:45,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:38:45,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:38:45,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:38:45,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:38:45,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:38:45,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-11-23 03:38:45,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:45,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-11-23 03:38:45,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:45,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:38:46,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:46,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:46,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:38:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:38:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:38:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:38:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:38:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:38:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:38:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-23 03:38:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-11-23 03:38:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:38:46,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-23 03:38:46,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:38:46,398 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:38:46,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:38:46,399 INFO L85 PathProgramCache]: Analyzing trace with hash 485299184, now seen corresponding path program 14 times [2023-11-23 03:38:46,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:38:46,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980668576] [2023-11-23 03:38:46,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:38:46,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:38:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:38:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 863 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:38:47,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:38:47,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980668576] [2023-11-23 03:38:47,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980668576] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:38:47,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449234754] [2023-11-23 03:38:47,850 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 03:38:47,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:38:47,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:38:47,851 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 03:38:47,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-23 03:38:48,136 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 03:38:48,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:38:48,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-23 03:38:48,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:38:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 897 proven. 66 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-11-23 03:38:48,710 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:38:49,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 897 proven. 66 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-11-23 03:38:49,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449234754] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:38:49,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:38:49,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 25, 25] total 93 [2023-11-23 03:38:49,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478833292] [2023-11-23 03:38:49,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:38:49,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-11-23 03:38:49,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:38:49,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-11-23 03:38:49,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1396, Invalid=7346, Unknown=0, NotChecked=0, Total=8742 [2023-11-23 03:38:49,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:38:49,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:38:49,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 4.691489361702128) internal successors, (441), 93 states have internal predecessors, (441), 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) [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:38:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:38:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:38:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:38:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:38:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:38:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:38:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:38:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:38:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-23 03:38:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-11-23 03:38:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:38:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:38:50,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-23 03:38:50,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:38:50,640 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:38:50,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:38:50,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1323896393, now seen corresponding path program 15 times [2023-11-23 03:38:50,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:38:50,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377316889] [2023-11-23 03:38:50,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:38:50,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:38:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:38:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 863 proven. 239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:38:52,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:38:52,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377316889] [2023-11-23 03:38:52,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377316889] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:38:52,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916757744] [2023-11-23 03:38:52,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 03:38:52,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:38:52,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:38:52,255 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 03:38:52,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-23 03:38:53,288 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2023-11-23 03:38:53,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:38:53,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-23 03:38:53,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:38:54,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 1022 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 03:38:54,127 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:38:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 1022 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 03:38:55,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916757744] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:38:55,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:38:55,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 31, 31] total 107 [2023-11-23 03:38:55,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009714784] [2023-11-23 03:38:55,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:38:55,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2023-11-23 03:38:55,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:38:55,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2023-11-23 03:38:55,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1962, Invalid=9594, Unknown=0, NotChecked=0, Total=11556 [2023-11-23 03:38:55,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:38:55,096 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:38:55,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 4.851851851851852) internal successors, (524), 107 states have internal predecessors, (524), 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) [2023-11-23 03:38:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:38:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:38:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:38:55,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:38:55,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:38:55,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:38:55,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:38:55,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-11-23 03:38:55,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:55,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-11-23 03:38:55,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:55,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:38:55,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:38:55,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:38:55,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:38:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:38:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:38:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:38:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:38:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:38:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:38:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:38:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:38:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:38:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-23 03:38:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-11-23 03:38:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:38:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:38:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:38:55,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-23 03:38:55,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-23 03:38:56,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-23 03:38:56,152 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:38:56,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:38:56,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1139416400, now seen corresponding path program 16 times [2023-11-23 03:38:56,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:38:56,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786033194] [2023-11-23 03:38:56,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:38:56,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:38:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:39:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 58 proven. 1119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:39:17,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:39:17,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786033194] [2023-11-23 03:39:17,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786033194] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:39:17,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086473792] [2023-11-23 03:39:17,267 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 03:39:17,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:39:17,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:39:17,268 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 03:39:17,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-23 03:39:17,634 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 03:39:17,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:39:17,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 305 conjunts are in the unsatisfiable core [2023-11-23 03:39:17,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:39:27,686 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 03:39:27,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 169 treesize of output 41 [2023-11-23 03:39:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 03:39:27,710 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:39:50,382 WARN L293 SmtUtils]: Spent 6.74s on a formula simplification that was a NOOP. DAG size: 879 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-23 03:39:50,382 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 03:39:50,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 32 select indices, 32 select index equivalence classes, 0 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 496 case distinctions, treesize of input 325 treesize of output 2566 [2023-11-23 03:45:42,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 0 proven. 1024 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-23 03:45:42,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086473792] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:45:42,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:45:42,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 85, 68] total 241 [2023-11-23 03:45:42,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319863589] [2023-11-23 03:45:42,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:45:42,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 241 states [2023-11-23 03:45:42,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:45:42,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 241 interpolants. [2023-11-23 03:45:42,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4062, Invalid=53778, Unknown=0, NotChecked=0, Total=57840 [2023-11-23 03:45:42,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:45:42,235 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:45:42,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 241 states, 241 states have (on average 2.215767634854772) internal successors, (534), 241 states have internal predecessors, (534), 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) [2023-11-23 03:45:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:45:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:45:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:45:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:45:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:45:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:45:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-23 03:45:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 03:45:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:45:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-23 03:45:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-11-23 03:45:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-23 03:45:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-23 03:45:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:45:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-11-23 03:45:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:45:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-11-23 03:45:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:45:42,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-23 03:45:42,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-23 03:45:42,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-11-23 03:45:42,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15