./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.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/popl20-bad-counter-queue2.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 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.2.3-?-559b036-m [2023-11-23 03:41:25,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 03:41:26,018 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-23 03:41:26,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 03:41:26,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 03:41:26,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 03:41:26,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 03:41:26,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 03:41:26,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 03:41:26,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 03:41:26,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 03:41:26,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 03:41:26,052 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 03:41:26,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 03:41:26,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 03:41:26,053 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 03:41:26,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 03:41:26,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 03:41:26,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 03:41:26,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 03:41:26,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 03:41:26,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 03:41:26,055 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 03:41:26,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 03:41:26,055 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 03:41:26,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 03:41:26,056 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 03:41:26,056 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 03:41:26,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 03:41:26,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 03:41:26,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 03:41:26,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 03:41:26,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 03:41:26,058 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 03:41:26,058 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-23 03:41:26,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 03:41:26,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 03:41:26,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-23 03:41:26,059 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 03:41:26,059 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-23 03:41:26,059 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-23 03:41:26,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-23 03:41:26,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 03:41:26,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 03:41:26,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 03:41:26,304 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 03:41:26,304 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 03:41:26,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-23 03:41:27,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 03:41:27,514 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 03:41:27,514 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-23 03:41:27,522 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/284122b26/07baeba4e87644c4aa4504efcc696386/FLAGbc6007398 [2023-11-23 03:41:27,535 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/284122b26/07baeba4e87644c4aa4504efcc696386 [2023-11-23 03:41:27,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 03:41:27,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 03:41:27,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 03:41:27,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 03:41:27,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 03:41:27,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:27" (1/1) ... [2023-11-23 03:41:27,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623317bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27, skipping insertion in model container [2023-11-23 03:41:27,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:27" (1/1) ... [2023-11-23 03:41:27,573 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 03:41:27,703 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/popl20-bad-counter-queue2.wvr.c[2297,2310] [2023-11-23 03:41:27,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 03:41:27,721 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 03:41:27,736 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/popl20-bad-counter-queue2.wvr.c[2297,2310] [2023-11-23 03:41:27,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 03:41:27,747 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 03:41:27,748 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 03:41:27,757 INFO L206 MainTranslator]: Completed translation [2023-11-23 03:41:27,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27 WrapperNode [2023-11-23 03:41:27,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 03:41:27,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 03:41:27,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 03:41:27,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 03:41:27,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27" (1/1) ... [2023-11-23 03:41:27,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27" (1/1) ... [2023-11-23 03:41:27,798 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 144 [2023-11-23 03:41:27,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 03:41:27,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 03:41:27,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 03:41:27,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 03:41:27,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27" (1/1) ... [2023-11-23 03:41:27,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27" (1/1) ... [2023-11-23 03:41:27,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27" (1/1) ... [2023-11-23 03:41:27,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27" (1/1) ... [2023-11-23 03:41:27,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27" (1/1) ... [2023-11-23 03:41:27,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27" (1/1) ... [2023-11-23 03:41:27,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27" (1/1) ... [2023-11-23 03:41:27,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27" (1/1) ... [2023-11-23 03:41:27,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 03:41:27,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 03:41:27,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 03:41:27,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 03:41:27,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27" (1/1) ... [2023-11-23 03:41:27,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 03:41:27,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:41:27,885 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 03:41:27,900 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 03:41:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 03:41:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 03:41:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 03:41:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 03:41:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 03:41:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 03:41:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 03:41:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 03:41:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 03:41:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 03:41:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 03:41:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 03:41:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 03:41:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 03:41:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 03:41:27,940 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 03:41:28,034 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 03:41:28,036 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 03:41:28,259 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 03:41:28,577 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 03:41:28,577 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 03:41:28,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:28 BoogieIcfgContainer [2023-11-23 03:41:28,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 03:41:28,579 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 03:41:28,579 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 03:41:28,582 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 03:41:28,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:41:27" (1/3) ... [2023-11-23 03:41:28,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ba1775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:41:28, skipping insertion in model container [2023-11-23 03:41:28,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:27" (2/3) ... [2023-11-23 03:41:28,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ba1775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:41:28, skipping insertion in model container [2023-11-23 03:41:28,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:28" (3/3) ... [2023-11-23 03:41:28,584 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2023-11-23 03:41:28,590 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 03:41:28,598 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 03:41:28,598 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 03:41:28,599 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 03:41:28,629 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-23 03:41:28,659 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 03:41:28,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-23 03:41:28,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:41:28,665 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 03:41:28,677 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 03:41:28,694 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-23 03:41:28,704 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-23 03:41:28,712 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;@333b1a31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 03:41:28,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 03:41:28,846 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:41:28,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:41:28,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1856676253, now seen corresponding path program 1 times [2023-11-23 03:41:28,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:41:28,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499238564] [2023-11-23 03:41:28,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:41:28,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:41:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:29,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:29,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:41:29,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499238564] [2023-11-23 03:41:29,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499238564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 03:41:29,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 03:41:29,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 03:41:29,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136803737] [2023-11-23 03:41:29,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 03:41:29,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 03:41:29,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:41:29,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 03:41:29,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 03:41:29,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:29,246 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:41:29,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 03:41:29,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:29,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:29,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 03:41:29,324 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:41:29,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:41:29,325 INFO L85 PathProgramCache]: Analyzing trace with hash -682178393, now seen corresponding path program 1 times [2023-11-23 03:41:29,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:41:29,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445226585] [2023-11-23 03:41:29,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:41:29,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:41:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:29,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:29,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:41:29,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445226585] [2023-11-23 03:41:29,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445226585] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:41:29,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855339176] [2023-11-23 03:41:29,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:41:29,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:29,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:41:29,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 03:41:29,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 03:41:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:29,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 03:41:29,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:41:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:29,701 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:41:29,761 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 03:41:29,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855339176] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 03:41:29,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 03:41:29,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2023-11-23 03:41:29,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875373137] [2023-11-23 03:41:29,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 03:41:29,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 03:41:29,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:41:29,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 03:41:29,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-23 03:41:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:29,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:41:29,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 03:41:29,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:29,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:29,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:29,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:29,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 03:41:30,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-23 03:41:30,047 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:41:30,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:41:30,048 INFO L85 PathProgramCache]: Analyzing trace with hash 124811532, now seen corresponding path program 1 times [2023-11-23 03:41:30,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:41:30,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407784811] [2023-11-23 03:41:30,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:41:30,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:41:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:30,245 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:30,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:41:30,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407784811] [2023-11-23 03:41:30,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407784811] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:41:30,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942946575] [2023-11-23 03:41:30,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:41:30,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:30,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:41:30,248 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 03:41:30,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 03:41:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:30,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 03:41:30,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:41:30,444 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:30,446 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:41:30,500 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:30,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942946575] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:41:30,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:41:30,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-11-23 03:41:30,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53971031] [2023-11-23 03:41:30,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:41:30,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-23 03:41:30,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:41:30,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-23 03:41:30,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-23 03:41:30,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:30,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:41:30,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 13 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 03:41:30,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:30,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:30,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:30,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:30,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:30,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 03:41:30,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:30,803 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:41:30,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:41:30,804 INFO L85 PathProgramCache]: Analyzing trace with hash 45333064, now seen corresponding path program 2 times [2023-11-23 03:41:30,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:41:30,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799295738] [2023-11-23 03:41:30,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:41:30,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:41:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:30,922 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:30,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:41:30,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799295738] [2023-11-23 03:41:30,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799295738] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:41:30,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615614655] [2023-11-23 03:41:30,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 03:41:30,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:30,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:41:30,925 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 03:41:30,951 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 03:41:31,007 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 03:41:31,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:41:31,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 03:41:31,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:41:31,078 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:31,078 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:41:31,135 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:31,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615614655] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:41:31,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:41:31,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2023-11-23 03:41:31,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426170018] [2023-11-23 03:41:31,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:41:31,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-23 03:41:31,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:41:31,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-23 03:41:31,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-11-23 03:41:31,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:31,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:41:31,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 14 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 03:41:31,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:31,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:31,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:31,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:31,256 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 03:41:31,456 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 03:41:31,456 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:41:31,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:41:31,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1080028653, now seen corresponding path program 3 times [2023-11-23 03:41:31,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:41:31,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781224735] [2023-11-23 03:41:31,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:41:31,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:41:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:31,619 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:31,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:41:31,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781224735] [2023-11-23 03:41:31,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781224735] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:41:31,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926508438] [2023-11-23 03:41:31,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 03:41:31,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:31,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:41:31,623 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 03:41:31,658 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 03:41:31,721 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-23 03:41:31,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:41:31,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 03:41:31,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:41:31,821 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:31,821 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:41:31,892 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:31,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926508438] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:41:31,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:41:31,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2023-11-23 03:41:31,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896833721] [2023-11-23 03:41:31,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:41:31,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-23 03:41:31,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:41:31,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-23 03:41:31,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2023-11-23 03:41:31,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:31,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:41:31,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 18 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 03:41:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:31,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:31,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:31,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:31,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:31,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:41:31,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 03:41:32,150 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 03:41:32,151 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:41:32,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:41:32,152 INFO L85 PathProgramCache]: Analyzing trace with hash 686297393, now seen corresponding path program 4 times [2023-11-23 03:41:32,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:41:32,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346419432] [2023-11-23 03:41:32,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:41:32,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:41:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:32,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:41:32,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346419432] [2023-11-23 03:41:32,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346419432] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:41:32,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027093998] [2023-11-23 03:41:32,294 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 03:41:32,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:32,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:41:32,306 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 03:41:32,307 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 03:41:32,368 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 03:41:32,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:41:32,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 03:41:32,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:41:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 03:41:32,466 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:41:32,517 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 03:41:32,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027093998] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:41:32,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:41:32,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 6] total 19 [2023-11-23 03:41:32,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961058297] [2023-11-23 03:41:32,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:41:32,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-23 03:41:32,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:41:32,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-23 03:41:32,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2023-11-23 03:41:32,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:32,519 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:41:32,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.526315789473684) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 03:41:32,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:32,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:32,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:32,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:32,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:41:32,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:32,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:32,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:32,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:41:32,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:41:32,972 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 03:41:33,158 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 03:41:33,159 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:41:33,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:41:33,159 INFO L85 PathProgramCache]: Analyzing trace with hash 696064404, now seen corresponding path program 5 times [2023-11-23 03:41:33,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:41:33,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249596593] [2023-11-23 03:41:33,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:41:33,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:41:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 35 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:33,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:41:33,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249596593] [2023-11-23 03:41:33,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249596593] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:41:33,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697299166] [2023-11-23 03:41:33,514 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-23 03:41:33,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:33,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:41:33,526 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 03:41:33,542 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 03:41:33,634 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-11-23 03:41:33,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:41:33,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 03:41:33,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:41:33,852 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 64 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 03:41:33,852 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:41:34,054 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 64 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 03:41:34,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697299166] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:41:34,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:41:34,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 10] total 33 [2023-11-23 03:41:34,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006620974] [2023-11-23 03:41:34,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:41:34,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-23 03:41:34,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:41:34,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-23 03:41:34,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2023-11-23 03:41:34,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:34,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:41:34,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.2058823529411766) internal successors, (109), 33 states have internal predecessors, (109), 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 03:41:34,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:34,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:34,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:34,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:34,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:41:34,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:41:34,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:34,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:34,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:34,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:34,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:34,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:41:34,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:41:34,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:41:34,199 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 03:41:34,396 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 03:41:34,397 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:41:34,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:41:34,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1468123944, now seen corresponding path program 6 times [2023-11-23 03:41:34,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:41:34,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613741716] [2023-11-23 03:41:34,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:41:34,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:41:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:34,630 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 53 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 03:41:34,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:41:34,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613741716] [2023-11-23 03:41:34,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613741716] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:41:34,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028544310] [2023-11-23 03:41:34,631 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-23 03:41:34,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:34,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:41:34,656 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 03:41:34,679 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 03:41:34,773 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-11-23 03:41:34,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:41:34,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 03:41:34,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:41:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 63 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 03:41:34,935 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:41:35,050 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 63 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 03:41:35,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028544310] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:41:35,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:41:35,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-11-23 03:41:35,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931044494] [2023-11-23 03:41:35,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:41:35,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-23 03:41:35,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:41:35,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-23 03:41:35,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=600, Unknown=0, NotChecked=0, Total=812 [2023-11-23 03:41:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:35,052 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:41:35,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.1724137931034484) internal successors, (92), 28 states have internal predecessors, (92), 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 03:41:35,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:35,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:35,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:35,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:35,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:41:35,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:41:35,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:41:35,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:35,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:35,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:35,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:35,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:35,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:41:35,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:41:35,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:41:35,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:41:35,175 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 03:41:35,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:35,362 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:41:35,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:41:35,362 INFO L85 PathProgramCache]: Analyzing trace with hash 161514004, now seen corresponding path program 7 times [2023-11-23 03:41:35,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:41:35,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503020800] [2023-11-23 03:41:35,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:41:35,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:41:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:38,194 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 1 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:38,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:41:38,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503020800] [2023-11-23 03:41:38,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503020800] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:41:38,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744076427] [2023-11-23 03:41:38,195 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-23 03:41:38,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:38,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:41:38,196 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 03:41:38,199 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 03:41:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:38,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-23 03:41:38,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:41:39,027 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-23 03:41:39,027 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:41:40,018 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 03:41:40,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 102 treesize of output 255 [2023-11-23 03:41:40,730 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-23 03:41:40,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744076427] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:41:40,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:41:40,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 21, 21] total 68 [2023-11-23 03:41:40,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355725225] [2023-11-23 03:41:40,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:41:40,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2023-11-23 03:41:40,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:41:40,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2023-11-23 03:41:40,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=375, Invalid=4317, Unknown=0, NotChecked=0, Total=4692 [2023-11-23 03:41:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:40,733 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:41:40,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 1.7536231884057971) internal successors, (121), 68 states have internal predecessors, (121), 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 03:41:40,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:40,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:40,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:40,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:40,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:41:40,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:41:40,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:41:40,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:41:40,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:43,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:43,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:43,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:43,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:43,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:41:43,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:41:43,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:41:43,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:41:43,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:41:43,614 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 03:41:43,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:43,801 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:41:43,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:41:43,801 INFO L85 PathProgramCache]: Analyzing trace with hash -946736512, now seen corresponding path program 8 times [2023-11-23 03:41:43,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:41:43,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353953886] [2023-11-23 03:41:43,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:41:43,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:41:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:44,367 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 155 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:44,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:41:44,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353953886] [2023-11-23 03:41:44,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353953886] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:41:44,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840503439] [2023-11-23 03:41:44,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 03:41:44,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:44,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:41:44,376 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 03:41:44,400 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 03:41:44,514 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 03:41:44,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:41:44,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 03:41:44,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:41:44,867 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 194 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 03:41:44,868 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:41:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 194 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 03:41:45,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840503439] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:41:45,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:41:45,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 14, 14] total 51 [2023-11-23 03:41:45,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555296243] [2023-11-23 03:41:45,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:41:45,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-11-23 03:41:45,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:41:45,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-11-23 03:41:45,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=431, Invalid=2221, Unknown=0, NotChecked=0, Total=2652 [2023-11-23 03:41:45,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:45,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:41:45,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.1538461538461537) internal successors, (164), 51 states have internal predecessors, (164), 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 03:41:45,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:45,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:45,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:45,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:45,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:41:45,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:41:45,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:41:45,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:41:45,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:41:45,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:45,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:45,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:45,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:45,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:45,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:41:45,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:41:45,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:41:45,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:41:45,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:41:45,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:45,330 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 03:41:45,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-23 03:41:45,516 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:41:45,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:41:45,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1570750660, now seen corresponding path program 9 times [2023-11-23 03:41:45,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:41:45,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672845717] [2023-11-23 03:41:45,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:41:45,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:41:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 155 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:46,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:41:46,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672845717] [2023-11-23 03:41:46,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672845717] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:41:46,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024353648] [2023-11-23 03:41:46,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 03:41:46,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:46,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:41:46,264 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 03:41:46,266 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 03:41:46,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2023-11-23 03:41:46,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:41:46,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 03:41:46,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:41:46,847 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 231 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 03:41:46,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:41:47,298 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 231 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 03:41:47,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024353648] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:41:47,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:41:47,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 18, 18] total 61 [2023-11-23 03:41:47,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207921365] [2023-11-23 03:41:47,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:41:47,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2023-11-23 03:41:47,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:41:47,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2023-11-23 03:41:47,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=633, Invalid=3149, Unknown=0, NotChecked=0, Total=3782 [2023-11-23 03:41:47,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:47,300 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:41:47,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 3.2096774193548385) internal successors, (199), 61 states have internal predecessors, (199), 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 03:41:47,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:47,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:47,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:47,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:47,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:41:47,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:41:47,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:41:47,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:41:47,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:41:47,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:47,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:41:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:41:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:41:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:41:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:41:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:41:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:41:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:41:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:41:47,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:41:47,437 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 03:41:47,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:47,625 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:41:47,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:41:47,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1011522688, now seen corresponding path program 10 times [2023-11-23 03:41:47,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:41:47,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622997819] [2023-11-23 03:41:47,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:41:47,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:41:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:41:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 6 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:41:53,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:41:53,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622997819] [2023-11-23 03:41:53,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622997819] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:41:53,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854376153] [2023-11-23 03:41:53,706 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 03:41:53,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:41:53,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:41:53,707 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 03:41:53,717 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 03:41:53,857 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 03:41:53,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:41:53,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 135 conjunts are in the unsatisfiable core [2023-11-23 03:41:53,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:41:56,301 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 278 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 03:41:56,302 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:42:00,364 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 03:42:00,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 182 treesize of output 815 [2023-11-23 03:42:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-23 03:42:06,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854376153] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:42:06,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:42:06,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 47, 37] total 131 [2023-11-23 03:42:06,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748591729] [2023-11-23 03:42:06,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:42:06,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2023-11-23 03:42:06,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:42:06,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2023-11-23 03:42:06,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1154, Invalid=16138, Unknown=0, NotChecked=0, Total=17292 [2023-11-23 03:42:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:42:06,199 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:42:06,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 1.606060606060606) internal successors, (212), 131 states have internal predecessors, (212), 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 03:42:06,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:42:06,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:06,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:06,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:06,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:42:06,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:42:06,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:42:06,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:42:06,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:42:06,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:06,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:06,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:42:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:42:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:42:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:42:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:42:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:42:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:42:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:16,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:42:16,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-23 03:42:16,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-23 03:42:16,990 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:42:16,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:42:16,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1762637912, now seen corresponding path program 11 times [2023-11-23 03:42:16,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:42:16,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430729547] [2023-11-23 03:42:16,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:42:16,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:42:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:42:18,471 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 683 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:42:18,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:42:18,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430729547] [2023-11-23 03:42:18,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430729547] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:42:18,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26229005] [2023-11-23 03:42:18,472 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-23 03:42:18,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:42:18,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:42:18,473 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 03:42:18,474 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 03:42:18,673 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2023-11-23 03:42:18,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:42:18,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-23 03:42:18,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:42:19,403 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 674 proven. 45 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-23 03:42:19,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:42:20,056 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 674 proven. 45 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-23 03:42:20,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26229005] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:42:20,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:42:20,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 22, 22] total 87 [2023-11-23 03:42:20,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645728663] [2023-11-23 03:42:20,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:42:20,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2023-11-23 03:42:20,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:42:20,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2023-11-23 03:42:20,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1221, Invalid=6435, Unknown=0, NotChecked=0, Total=7656 [2023-11-23 03:42:20,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:42:20,061 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:42:20,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 3.090909090909091) internal successors, (272), 87 states have internal predecessors, (272), 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 03:42:20,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:42:20,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:20,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:20,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:20,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:42:20,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:42:20,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:42:20,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:42:20,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:42:20,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:20,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:20,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:42:20,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:42:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:42:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:42:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:42:20,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:42:20,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:42:20,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:42:20,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:20,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:20,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:42:20,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:20,188 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 03:42:20,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-23 03:42:20,388 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:42:20,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:42:20,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1056330596, now seen corresponding path program 12 times [2023-11-23 03:42:20,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:42:20,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624236453] [2023-11-23 03:42:20,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:42:20,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:42:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:42:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 683 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:42:21,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:42:21,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624236453] [2023-11-23 03:42:21,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624236453] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:42:21,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440524602] [2023-11-23 03:42:21,666 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-23 03:42:21,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:42:21,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:42:21,667 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 03:42:21,669 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 03:42:22,155 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2023-11-23 03:42:22,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:42:22,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 03:42:22,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:42:22,727 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 736 proven. 55 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-23 03:42:22,728 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:42:23,592 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 736 proven. 55 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-23 03:42:23,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440524602] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:42:23,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:42:23,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 24, 24] total 92 [2023-11-23 03:42:23,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548100289] [2023-11-23 03:42:23,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:42:23,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2023-11-23 03:42:23,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:42:23,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2023-11-23 03:42:23,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1328, Invalid=7228, Unknown=0, NotChecked=0, Total=8556 [2023-11-23 03:42:23,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:42:23,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:42:23,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 3.118279569892473) internal successors, (290), 92 states have internal predecessors, (290), 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 03:42:23,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:42:23,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:23,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:23,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:23,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:42:23,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:42:23,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:42:23,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:42:23,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:42:23,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:23,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:23,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:42:23,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:23,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:42:23,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:42:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:42:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:42:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:42:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:42:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:42:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:42:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 03:42:23,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-23 03:42:23,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-23 03:42:23,971 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:42:23,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:42:23,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1749958872, now seen corresponding path program 13 times [2023-11-23 03:42:23,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:42:23,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892140237] [2023-11-23 03:42:23,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:42:23,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:42:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:42:25,381 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 683 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:42:25,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:42:25,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892140237] [2023-11-23 03:42:25,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892140237] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:42:25,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850696138] [2023-11-23 03:42:25,381 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-23 03:42:25,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:42:25,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:42:25,388 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 03:42:25,412 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 03:42:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:42:25,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-23 03:42:25,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:42:26,461 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 754 proven. 66 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-23 03:42:26,462 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:42:27,114 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 754 proven. 66 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-23 03:42:27,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850696138] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:42:27,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:42:27,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 26, 26] total 97 [2023-11-23 03:42:27,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268682472] [2023-11-23 03:42:27,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:42:27,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2023-11-23 03:42:27,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:42:27,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2023-11-23 03:42:27,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1494, Invalid=8012, Unknown=0, NotChecked=0, Total=9506 [2023-11-23 03:42:27,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:42:27,120 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:42:27,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 3.0816326530612246) internal successors, (302), 97 states have internal predecessors, (302), 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 03:42:27,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:42:27,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:27,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:27,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:27,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:42:27,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:42:27,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:42:27,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:42:27,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:42:27,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:27,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:27,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:42:27,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:27,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-23 03:42:27,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:42:27,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:42:27,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:27,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:27,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:27,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:42:27,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:42:27,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:42:27,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:42:27,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:42:27,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:27,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:27,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:42:27,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:27,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 03:42:27,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:42:27,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-23 03:42:27,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:42:27,448 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:42:27,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:42:27,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1449380836, now seen corresponding path program 14 times [2023-11-23 03:42:27,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:42:27,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046147136] [2023-11-23 03:42:27,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:42:27,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:42:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:42:28,958 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 683 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:42:28,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:42:28,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046147136] [2023-11-23 03:42:28,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046147136] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:42:28,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870190812] [2023-11-23 03:42:28,959 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 03:42:28,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:42:28,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:42:28,967 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 03:42:28,971 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 03:42:29,151 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 03:42:29,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:42:29,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-23 03:42:29,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:42:29,853 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 785 proven. 78 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-23 03:42:29,854 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:42:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 785 proven. 78 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-23 03:42:30,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870190812] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:42:30,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:42:30,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 28, 28] total 102 [2023-11-23 03:42:30,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153647267] [2023-11-23 03:42:30,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:42:30,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2023-11-23 03:42:30,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:42:30,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2023-11-23 03:42:30,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1647, Invalid=8859, Unknown=0, NotChecked=0, Total=10506 [2023-11-23 03:42:30,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:42:30,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:42:30,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 3.0776699029126213) internal successors, (317), 102 states have internal predecessors, (317), 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 03:42:30,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:42:30,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:30,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:30,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:30,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:42:30,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:42:30,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:42:30,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:42:30,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:42:30,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:30,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:30,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:42:30,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:30,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-23 03:42:30,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:42:30,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:42:30,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:42:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:42:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:42:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:42:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:42:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:42:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:42:30,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:30,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 03:42:30,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:42:30,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:42:30,850 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 03:42:31,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-23 03:42:31,051 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:42:31,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:42:31,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1844663976, now seen corresponding path program 15 times [2023-11-23 03:42:31,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:42:31,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640450545] [2023-11-23 03:42:31,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:42:31,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:42:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:42:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 683 proven. 258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:42:32,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:42:32,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640450545] [2023-11-23 03:42:32,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640450545] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:42:32,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289657518] [2023-11-23 03:42:32,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 03:42:32,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:42:32,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:42:32,332 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 03:42:32,341 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 03:42:32,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2023-11-23 03:42:32,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:42:32,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-23 03:42:32,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:42:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 843 proven. 91 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 03:42:33,697 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:42:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 843 proven. 91 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 03:42:34,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289657518] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:42:34,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:42:34,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 33, 33] total 114 [2023-11-23 03:42:34,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108676499] [2023-11-23 03:42:34,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:42:34,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2023-11-23 03:42:34,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:42:34,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2023-11-23 03:42:34,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2171, Invalid=10939, Unknown=0, NotChecked=0, Total=13110 [2023-11-23 03:42:34,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:42:34,961 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:42:34,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 3.139130434782609) internal successors, (361), 114 states have internal predecessors, (361), 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 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:42:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:42:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:42:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:42:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:42:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:42:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:42:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:42:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:42:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:42:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:42:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:42:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 03:42:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:42:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:42:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-23 03:42:35,161 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 03:42:35,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-23 03:42:35,361 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:42:35,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:42:35,361 INFO L85 PathProgramCache]: Analyzing trace with hash 556341848, now seen corresponding path program 16 times [2023-11-23 03:42:35,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:42:35,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850452915] [2023-11-23 03:42:35,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:42:35,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:42:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:42:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 58 proven. 945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:42:52,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:42:52,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850452915] [2023-11-23 03:42:52,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850452915] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:42:52,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863130784] [2023-11-23 03:42:52,165 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 03:42:52,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:42:52,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:42:52,166 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 03:42:52,167 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 03:42:52,365 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 03:42:52,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:42:52,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 207 conjunts are in the unsatisfiable core [2023-11-23 03:42:52,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:42:56,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 0 proven. 850 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-23 03:42:56,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:43:22,453 WARN L293 SmtUtils]: Spent 9.38s on a formula simplification that was a NOOP. DAG size: 985 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-23 03:43:22,454 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 03:43:22,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 342 treesize of output 2895 [2023-11-23 03:46:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 0 proven. 850 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-23 03:46:20,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863130784] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:46:20,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:46:20,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [91, 69, 69] total 224 [2023-11-23 03:46:20,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486470595] [2023-11-23 03:46:20,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:46:20,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 225 states [2023-11-23 03:46:20,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:46:20,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2023-11-23 03:46:20,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3708, Invalid=46692, Unknown=0, NotChecked=0, Total=50400 [2023-11-23 03:46:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:46:20,719 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:46:20,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 225 states, 225 states have (on average 1.551111111111111) internal successors, (349), 224 states have internal predecessors, (349), 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 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-23 03:46:20,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:47:20,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:47:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:47:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:47:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:47:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:47:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:47:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:47:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:47:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:47:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:47:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:47:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:47:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:47:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 03:47:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:47:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:47:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-23 03:47:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-11-23 03:47:20,812 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 03:47:21,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-23 03:47:21,012 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:47:21,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:47:21,013 INFO L85 PathProgramCache]: Analyzing trace with hash 806065160, now seen corresponding path program 17 times [2023-11-23 03:47:21,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:47:21,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408244195] [2023-11-23 03:47:21,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:47:21,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:47:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:47:24,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3387 backedges. 2891 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:47:24,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:47:24,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408244195] [2023-11-23 03:47:24,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408244195] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:47:24,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127742327] [2023-11-23 03:47:24,729 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-23 03:47:24,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:47:24,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:47:24,731 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 03:47:24,735 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 03:47:25,144 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 36 check-sat command(s) [2023-11-23 03:47:25,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:47:25,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-23 03:47:25,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:47:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3387 backedges. 3231 proven. 153 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 03:47:28,192 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 03:47:30,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3387 backedges. 3231 proven. 153 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 03:47:30,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127742327] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 03:47:30,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 03:47:30,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 53, 53] total 190 [2023-11-23 03:47:30,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741534288] [2023-11-23 03:47:30,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 03:47:30,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2023-11-23 03:47:30,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 03:47:30,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2023-11-23 03:47:30,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6290, Invalid=30000, Unknown=0, NotChecked=0, Total=36290 [2023-11-23 03:47:30,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:47:30,938 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 03:47:30,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 191 states have (on average 3.4764397905759163) internal successors, (664), 190 states have internal predecessors, (664), 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 03:47:30,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:47:30,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:47:30,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:47:30,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:47:30,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:47:30,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:47:30,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:47:30,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:47:30,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:47:30,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:47:30,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:47:30,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:47:30,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:47:30,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-23 03:47:30,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:47:30,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:47:30,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-23 03:47:30,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2023-11-23 03:47:30,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 03:47:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 03:47:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:47:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 03:47:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:47:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 03:47:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 03:47:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 03:47:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 03:47:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-23 03:47:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 03:47:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:47:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-23 03:47:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 03:47:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 03:47:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 03:47:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 03:47:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-23 03:47:31,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-11-23 03:47:31,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-23 03:47:31,257 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 03:47:31,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:47:31,457 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 03:47:31,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 03:47:31,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1836558328, now seen corresponding path program 18 times [2023-11-23 03:47:31,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 03:47:31,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728805422] [2023-11-23 03:47:31,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 03:47:31,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 03:47:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 03:49:10,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3795 backedges. 45 proven. 3750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:49:10,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 03:49:10,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728805422] [2023-11-23 03:49:10,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728805422] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 03:49:10,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85324906] [2023-11-23 03:49:10,070 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-23 03:49:10,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 03:49:10,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 03:49:10,071 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 03:49:10,072 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 03:49:21,452 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 36 check-sat command(s) [2023-11-23 03:49:21,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 03:49:21,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 488 conjunts are in the unsatisfiable core [2023-11-23 03:49:21,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 03:49:25,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 03:49:26,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 03:49:26,128 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 03:49:26,353 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 03:49:47,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 03:49:47,811 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 03:49:47,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 198 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 170 treesize of output 653 [2023-11-23 03:49:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3795 backedges. 0 proven. 3795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 03:49:49,267 INFO L327 TraceCheckSpWp]: Computing backward predicates... Killed by 15