./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce 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-more-array-sum2.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 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-22 11:13:20,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 11:13:20,808 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 11:13:20,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 11:13:20,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 11:13:20,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 11:13:20,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 11:13:20,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 11:13:20,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 11:13:20,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 11:13:20,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 11:13:20,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 11:13:20,847 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 11:13:20,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 11:13:20,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 11:13:20,849 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 11:13:20,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 11:13:20,849 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 11:13:20,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 11:13:20,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 11:13:20,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 11:13:20,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 11:13:20,850 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 11:13:20,851 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 11:13:20,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 11:13:20,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 11:13:20,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 11:13:20,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 11:13:20,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 11:13:20,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 11:13:20,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 11:13:20,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 11:13:20,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 11:13:20,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 11:13:20,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 11:13:20,855 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 11:13:20,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 11:13:20,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 11:13:20,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 11:13:20,855 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 11:13:20,855 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 11:13:20,856 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 11:13:20,856 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 [2024-07-22 11:13:21,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 11:13:21,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 11:13:21,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 11:13:21,124 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 11:13:21,125 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 11:13:21,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2024-07-22 11:13:22,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 11:13:22,384 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 11:13:22,384 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2024-07-22 11:13:22,391 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aa12ec794/ab8d49859756473388a78dedc776ab9d/FLAG56b0febdb [2024-07-22 11:13:22,403 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aa12ec794/ab8d49859756473388a78dedc776ab9d [2024-07-22 11:13:22,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 11:13:22,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-22 11:13:22,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 11:13:22,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 11:13:22,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 11:13:22,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:13:22" (1/1) ... [2024-07-22 11:13:22,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64966057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:13:22, skipping insertion in model container [2024-07-22 11:13:22,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:13:22" (1/1) ... [2024-07-22 11:13:22,429 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 11:13:22,607 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c[2638,2651] [2024-07-22 11:13:22,622 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 11:13:22,631 INFO L202 MainTranslator]: Completed pre-run [2024-07-22 11:13:22,662 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c[2638,2651] [2024-07-22 11:13:22,666 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 11:13:22,681 INFO L206 MainTranslator]: Completed translation [2024-07-22 11:13:22,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:13:22 WrapperNode [2024-07-22 11:13:22,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 11:13:22,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 11:13:22,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 11:13:22,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 11:13:22,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:13:22" (1/1) ... [2024-07-22 11:13:22,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:13:22" (1/1) ... [2024-07-22 11:13:22,732 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 264 [2024-07-22 11:13:22,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 11:13:22,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 11:13:22,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 11:13:22,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 11:13:22,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:13:22" (1/1) ... [2024-07-22 11:13:22,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:13:22" (1/1) ... [2024-07-22 11:13:22,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:13:22" (1/1) ... [2024-07-22 11:13:22,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:13:22" (1/1) ... [2024-07-22 11:13:22,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:13:22" (1/1) ... [2024-07-22 11:13:22,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:13:22" (1/1) ... [2024-07-22 11:13:22,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:13:22" (1/1) ... [2024-07-22 11:13:22,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:13:22" (1/1) ... [2024-07-22 11:13:22,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 11:13:22,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 11:13:22,785 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 11:13:22,785 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 11:13:22,786 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:13:22" (1/1) ... [2024-07-22 11:13:22,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 11:13:22,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:13:22,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-22 11:13:22,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-22 11:13:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 11:13:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-22 11:13:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-22 11:13:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-22 11:13:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-22 11:13:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-22 11:13:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-22 11:13:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 11:13:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-22 11:13:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-22 11:13:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-22 11:13:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-07-22 11:13:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 11:13:22,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 11:13:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-22 11:13:22,907 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 11:13:23,009 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 11:13:23,011 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 11:13:23,393 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 11:13:23,394 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 11:13:23,690 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 11:13:23,691 INFO L320 CfgBuilder]: Removed 5 assume(true) statements. [2024-07-22 11:13:23,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:13:23 BoogieIcfgContainer [2024-07-22 11:13:23,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 11:13:23,693 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 11:13:23,693 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 11:13:23,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 11:13:23,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:13:22" (1/3) ... [2024-07-22 11:13:23,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e243e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:13:23, skipping insertion in model container [2024-07-22 11:13:23,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:13:22" (2/3) ... [2024-07-22 11:13:23,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e243e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:13:23, skipping insertion in model container [2024-07-22 11:13:23,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:13:23" (3/3) ... [2024-07-22 11:13:23,700 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2024-07-22 11:13:23,707 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-22 11:13:23,714 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 11:13:23,714 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-22 11:13:23,714 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 11:13:23,752 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-07-22 11:13:23,792 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 11:13:23,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 11:13:23,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:13:23,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-22 11:13:23,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-22 11:13:23,830 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 11:13:23,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 11:13:23,847 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;@52233eb6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 11:13:23,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-22 11:13:24,031 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:13:24,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:13:24,035 INFO L85 PathProgramCache]: Analyzing trace with hash 2049925601, now seen corresponding path program 1 times [2024-07-22 11:13:24,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:13:24,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083485264] [2024-07-22 11:13:24,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:13:24,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:13:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:24,512 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-07-22 11:13:24,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:13:24,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083485264] [2024-07-22 11:13:24,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083485264] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 11:13:24,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 11:13:24,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 11:13:24,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794175782] [2024-07-22 11:13:24,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 11:13:24,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 11:13:24,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:13:24,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 11:13:24,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-22 11:13:24,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:24,540 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:13:24,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:13:24,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:24,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:24,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 11:13:24,639 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:13:24,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:13:24,639 INFO L85 PathProgramCache]: Analyzing trace with hash 476046346, now seen corresponding path program 1 times [2024-07-22 11:13:24,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:13:24,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973249846] [2024-07-22 11:13:24,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:13:24,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:13:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:24,931 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-07-22 11:13:24,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:13:24,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973249846] [2024-07-22 11:13:24,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973249846] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:13:24,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007165459] [2024-07-22 11:13:24,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:13:24,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:24,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:13:24,939 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:13:24,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-22 11:13:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:25,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 8 conjunts are in the unsatisfiable core [2024-07-22 11:13:25,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:13:25,214 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-07-22 11:13:25,214 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:13:25,302 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-07-22 11:13:25,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007165459] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:13:25,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:13:25,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-07-22 11:13:25,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228140624] [2024-07-22 11:13:25,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:13:25,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-07-22 11:13:25,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:13:25,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-07-22 11:13:25,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-07-22 11:13:25,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:25,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:13:25,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 13 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:13:25,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:25,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:25,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:25,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:25,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-07-22 11:13:25,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-07-22 11:13:25,680 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:13:25,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:13:25,680 INFO L85 PathProgramCache]: Analyzing trace with hash 326407681, now seen corresponding path program 2 times [2024-07-22 11:13:25,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:13:25,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387781773] [2024-07-22 11:13:25,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:13:25,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:13:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-07-22 11:13:25,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:13:25,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387781773] [2024-07-22 11:13:25,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387781773] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:13:25,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733522322] [2024-07-22 11:13:25,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 11:13:25,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:25,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:13:25,827 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:13:25,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-22 11:13:25,966 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 11:13:25,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:13:25,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 8 conjunts are in the unsatisfiable core [2024-07-22 11:13:25,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:13:26,055 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-07-22 11:13:26,055 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:13:26,120 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-07-22 11:13:26,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733522322] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:13:26,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:13:26,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 16 [2024-07-22 11:13:26,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700676790] [2024-07-22 11:13:26,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:13:26,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-07-22 11:13:26,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:13:26,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-07-22 11:13:26,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-07-22 11:13:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:26,123 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:13:26,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.6875) internal successors, (75), 16 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:13:26,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:26,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:26,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:26,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-07-22 11:13:26,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:26,549 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:13:26,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:13:26,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1806955416, now seen corresponding path program 3 times [2024-07-22 11:13:26,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:13:26,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397518080] [2024-07-22 11:13:26,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:13:26,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:13:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-07-22 11:13:26,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:13:26,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397518080] [2024-07-22 11:13:26,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397518080] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:13:26,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803793615] [2024-07-22 11:13:26,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 11:13:26,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:26,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:13:26,747 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:13:26,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-22 11:13:26,858 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-07-22 11:13:26,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:13:26,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 11 conjunts are in the unsatisfiable core [2024-07-22 11:13:26,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:13:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-22 11:13:27,081 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:13:27,226 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-22 11:13:27,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803793615] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:13:27,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:13:27,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 25 [2024-07-22 11:13:27,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392539465] [2024-07-22 11:13:27,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:13:27,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-07-22 11:13:27,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:13:27,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-07-22 11:13:27,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2024-07-22 11:13:27,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:27,233 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:13:27,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 25 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:13:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:27,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:27,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:27,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:27,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:27,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-22 11:13:27,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:27,633 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:13:27,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:13:27,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1038661704, now seen corresponding path program 4 times [2024-07-22 11:13:27,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:13:27,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255782544] [2024-07-22 11:13:27,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:13:27,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:13:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:27,847 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-07-22 11:13:27,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:13:27,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255782544] [2024-07-22 11:13:27,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255782544] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:13:27,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292177523] [2024-07-22 11:13:27,848 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-22 11:13:27,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:27,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:13:27,849 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:13:27,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-22 11:13:27,933 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-22 11:13:27,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:13:27,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2024-07-22 11:13:27,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:13:28,092 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-07-22 11:13:28,092 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:13:28,248 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-07-22 11:13:28,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292177523] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:13:28,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:13:28,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 28 [2024-07-22 11:13:28,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057851712] [2024-07-22 11:13:28,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:13:28,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-07-22 11:13:28,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:13:28,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-07-22 11:13:28,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2024-07-22 11:13:28,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:28,251 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:13:28,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:13:28,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:28,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:28,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:28,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:28,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:28,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:29,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-07-22 11:13:29,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:29,197 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:13:29,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:13:29,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1695824547, now seen corresponding path program 5 times [2024-07-22 11:13:29,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:13:29,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34392473] [2024-07-22 11:13:29,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:13:29,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:13:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 108 proven. 28 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-07-22 11:13:29,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:13:29,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34392473] [2024-07-22 11:13:29,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34392473] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:13:29,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944408935] [2024-07-22 11:13:29,654 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-22 11:13:29,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:29,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:13:29,655 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:13:29,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-07-22 11:13:29,882 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-07-22 11:13:29,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:13:29,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 14 conjunts are in the unsatisfiable core [2024-07-22 11:13:29,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:13:30,132 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 129 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-07-22 11:13:30,132 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:13:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 129 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-07-22 11:13:30,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944408935] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:13:30,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:13:30,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 34 [2024-07-22 11:13:30,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132835036] [2024-07-22 11:13:30,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:13:30,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-07-22 11:13:30,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:13:30,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-07-22 11:13:30,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=965, Unknown=0, NotChecked=0, Total=1190 [2024-07-22 11:13:30,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:30,348 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:13:30,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.714285714285714) internal successors, (165), 34 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:13:30,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:30,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:30,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:30,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:30,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:30,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:30,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:30,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:30,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:30,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:30,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:30,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:13:30,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-07-22 11:13:30,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:30,741 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:13:30,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:13:30,742 INFO L85 PathProgramCache]: Analyzing trace with hash 885383116, now seen corresponding path program 6 times [2024-07-22 11:13:30,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:13:30,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038585396] [2024-07-22 11:13:30,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:13:30,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:13:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 93 proven. 48 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-07-22 11:13:31,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:13:31,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038585396] [2024-07-22 11:13:31,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038585396] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:13:31,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258785713] [2024-07-22 11:13:31,149 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-22 11:13:31,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:31,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:13:31,152 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:13:31,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-07-22 11:13:31,370 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-07-22 11:13:31,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:13:31,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 17 conjunts are in the unsatisfiable core [2024-07-22 11:13:31,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:13:31,662 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 95 proven. 41 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-07-22 11:13:31,662 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:13:31,981 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 121 proven. 15 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-07-22 11:13:31,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258785713] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:13:31,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:13:31,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 41 [2024-07-22 11:13:31,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851705461] [2024-07-22 11:13:31,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:13:31,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-07-22 11:13:31,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:13:31,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-07-22 11:13:31,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=1410, Unknown=0, NotChecked=0, Total=1722 [2024-07-22 11:13:31,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:31,986 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:13:31,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 3.6904761904761907) internal successors, (155), 41 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:13:31,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:31,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:13:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:32,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:32,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:32,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:32,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:32,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:32,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:13:32,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:32,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-07-22 11:13:32,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-07-22 11:13:32,388 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:13:32,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:13:32,389 INFO L85 PathProgramCache]: Analyzing trace with hash -971813181, now seen corresponding path program 7 times [2024-07-22 11:13:32,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:13:32,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487656463] [2024-07-22 11:13:32,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:13:32,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:13:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:32,800 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 37 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-07-22 11:13:32,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:13:32,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487656463] [2024-07-22 11:13:32,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487656463] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:13:32,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618968184] [2024-07-22 11:13:32,801 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-22 11:13:32,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:32,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:13:32,802 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:13:32,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-07-22 11:13:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:32,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 19 conjunts are in the unsatisfiable core [2024-07-22 11:13:32,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:13:33,346 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 105 proven. 37 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-07-22 11:13:33,347 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:13:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 121 proven. 21 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-07-22 11:13:33,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618968184] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:13:33,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:13:33,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 46 [2024-07-22 11:13:33,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424079753] [2024-07-22 11:13:33,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:13:33,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-07-22 11:13:33,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:13:33,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-07-22 11:13:33,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=401, Invalid=1761, Unknown=0, NotChecked=0, Total=2162 [2024-07-22 11:13:33,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:33,763 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:13:33,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.765957446808511) internal successors, (177), 46 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:13:33,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:33,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:33,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:33,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:33,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:33,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:13:33,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:33,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:13:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:33,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:13:34,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-07-22 11:13:34,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:34,200 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:13:34,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:13:34,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1079930284, now seen corresponding path program 8 times [2024-07-22 11:13:34,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:13:34,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450761780] [2024-07-22 11:13:34,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:13:34,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:13:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 101 proven. 53 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-07-22 11:13:34,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:13:34,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450761780] [2024-07-22 11:13:34,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450761780] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:13:34,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043433915] [2024-07-22 11:13:34,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 11:13:34,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:34,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:13:34,757 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:13:34,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-07-22 11:13:34,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 11:13:34,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:13:34,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 21 conjunts are in the unsatisfiable core [2024-07-22 11:13:34,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:13:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 117 proven. 37 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-07-22 11:13:35,380 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:13:35,854 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 126 proven. 28 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-07-22 11:13:35,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043433915] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:13:35,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:13:35,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 52 [2024-07-22 11:13:35,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687686031] [2024-07-22 11:13:35,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:13:35,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-07-22 11:13:35,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:13:35,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-07-22 11:13:35,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=559, Invalid=2197, Unknown=0, NotChecked=0, Total=2756 [2024-07-22 11:13:35,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:35,863 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:13:35,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 3.0754716981132075) internal successors, (163), 52 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:13:35,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:35,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:35,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:35,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:35,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:35,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:13:35,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:35,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:13:35,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:36,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:36,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:36,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:36,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:36,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:36,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:13:36,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:36,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:13:36,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:36,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-07-22 11:13:36,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:36,292 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:13:36,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:13:36,292 INFO L85 PathProgramCache]: Analyzing trace with hash 561126115, now seen corresponding path program 9 times [2024-07-22 11:13:36,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:13:36,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851881511] [2024-07-22 11:13:36,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:13:36,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:13:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 21 proven. 158 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-07-22 11:13:36,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:13:36,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851881511] [2024-07-22 11:13:36,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851881511] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:13:36,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836226868] [2024-07-22 11:13:36,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 11:13:36,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:36,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:13:36,720 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:13:36,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-07-22 11:13:37,128 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-07-22 11:13:37,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:13:37,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 20 conjunts are in the unsatisfiable core [2024-07-22 11:13:37,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:13:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 28 proven. 151 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-07-22 11:13:37,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:13:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 36 proven. 143 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-07-22 11:13:37,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836226868] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:13:37,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:13:37,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 45 [2024-07-22 11:13:37,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383340472] [2024-07-22 11:13:37,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:13:37,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-07-22 11:13:37,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:13:37,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-07-22 11:13:37,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=478, Invalid=1502, Unknown=0, NotChecked=0, Total=1980 [2024-07-22 11:13:37,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:37,698 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:13:37,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.8444444444444446) internal successors, (173), 45 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:13:37,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:37,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:37,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:37,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:37,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:37,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:13:37,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:37,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:13:37,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:37,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:38,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:38,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:38,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:38,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:38,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:38,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:13:38,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:38,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:13:38,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:38,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:13:38,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-07-22 11:13:38,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-07-22 11:13:38,368 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:13:38,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:13:38,368 INFO L85 PathProgramCache]: Analyzing trace with hash -2137875229, now seen corresponding path program 10 times [2024-07-22 11:13:38,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:13:38,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026269931] [2024-07-22 11:13:38,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:13:38,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:13:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 354 proven. 78 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-07-22 11:13:39,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:13:39,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026269931] [2024-07-22 11:13:39,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026269931] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:13:39,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286475860] [2024-07-22 11:13:39,087 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-22 11:13:39,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:39,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:13:39,090 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:13:39,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-07-22 11:13:39,223 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-22 11:13:39,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:13:39,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 33 conjunts are in the unsatisfiable core [2024-07-22 11:13:39,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:13:40,028 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-07-22 11:13:40,028 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:13:41,001 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 238 proven. 175 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-07-22 11:13:41,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286475860] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:13:41,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:13:41,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 34, 27] total 80 [2024-07-22 11:13:41,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203713142] [2024-07-22 11:13:41,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:13:41,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-07-22 11:13:41,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:13:41,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-07-22 11:13:41,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=841, Invalid=5479, Unknown=0, NotChecked=0, Total=6320 [2024-07-22 11:13:41,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:41,004 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:13:41,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.8625) internal successors, (309), 80 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:13:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:13:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:41,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:13:41,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:41,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:13:41,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:44,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:13:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:13:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:13:44,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-07-22 11:13:44,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-07-22 11:13:45,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:45,156 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:13:45,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:13:45,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1455581683, now seen corresponding path program 11 times [2024-07-22 11:13:45,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:13:45,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865005629] [2024-07-22 11:13:45,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:13:45,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:13:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:47,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 589 proven. 418 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-07-22 11:13:47,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:13:47,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865005629] [2024-07-22 11:13:47,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865005629] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:13:47,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522066510] [2024-07-22 11:13:47,877 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-22 11:13:47,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:47,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:13:47,882 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:13:47,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-07-22 11:13:55,107 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-07-22 11:13:55,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:13:55,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 24 conjunts are in the unsatisfiable core [2024-07-22 11:13:55,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:13:55,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 817 proven. 45 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-07-22 11:13:55,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:13:56,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 817 proven. 45 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-07-22 11:13:56,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522066510] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:13:56,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:13:56,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 22, 22] total 98 [2024-07-22 11:13:56,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507481047] [2024-07-22 11:13:56,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:13:56,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-07-22 11:13:56,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:13:56,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-07-22 11:13:56,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1369, Invalid=8333, Unknown=0, NotChecked=0, Total=9702 [2024-07-22 11:13:56,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:56,593 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:13:56,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 3.757575757575758) internal successors, (372), 98 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:13:56,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:56,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:56,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:56,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:56,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:56,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:13:56,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:56,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:13:56,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:56,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:13:56,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-07-22 11:13:56,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:13:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:13:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:13:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:13:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:13:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:13:56,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:13:56,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:13:56,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:13:56,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-07-22 11:13:56,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-22 11:13:56,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-07-22 11:13:57,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-07-22 11:13:57,107 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:13:57,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:13:57,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1701056650, now seen corresponding path program 12 times [2024-07-22 11:13:57,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:13:57,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260223836] [2024-07-22 11:13:57,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:13:57,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:13:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:13:59,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 589 proven. 428 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-07-22 11:13:59,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:13:59,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260223836] [2024-07-22 11:13:59,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260223836] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:13:59,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301790588] [2024-07-22 11:13:59,700 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-22 11:13:59,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:13:59,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:13:59,701 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:13:59,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-07-22 11:14:01,035 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-07-22 11:14:01,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:14:01,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 27 conjunts are in the unsatisfiable core [2024-07-22 11:14:01,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:14:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 554 proven. 83 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-07-22 11:14:02,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:14:03,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 582 proven. 55 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-07-22 11:14:03,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301790588] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:14:03,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:14:03,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 25, 25] total 105 [2024-07-22 11:14:03,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199982620] [2024-07-22 11:14:03,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:14:03,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-07-22 11:14:03,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:14:03,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-07-22 11:14:03,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1522, Invalid=9608, Unknown=0, NotChecked=0, Total=11130 [2024-07-22 11:14:03,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:14:03,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:14:03,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 2.8867924528301887) internal successors, (306), 105 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:14:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:14:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:14:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:03,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:14:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:14:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:14:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:14:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-07-22 11:14:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-22 11:14:03,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:14:03,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:14:03,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:14:03,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:03,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:03,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:14:03,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:14:03,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:03,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:14:03,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:03,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:14:03,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-07-22 11:14:03,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-22 11:14:03,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 11:14:03,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-07-22 11:14:03,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-07-22 11:14:03,804 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:14:03,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:14:03,804 INFO L85 PathProgramCache]: Analyzing trace with hash 69792813, now seen corresponding path program 13 times [2024-07-22 11:14:03,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:14:03,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599472610] [2024-07-22 11:14:03,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:14:03,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:14:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:14:06,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 589 proven. 439 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-07-22 11:14:06,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:14:06,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599472610] [2024-07-22 11:14:06,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599472610] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:14:06,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961265180] [2024-07-22 11:14:06,086 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-22 11:14:06,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:14:06,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:14:06,087 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:14:06,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-07-22 11:14:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:14:06,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 29 conjunts are in the unsatisfiable core [2024-07-22 11:14:06,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:14:07,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 594 proven. 81 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-07-22 11:14:07,504 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:14:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 609 proven. 66 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-07-22 11:14:08,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961265180] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:14:08,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:14:08,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 27, 27] total 110 [2024-07-22 11:14:08,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845526257] [2024-07-22 11:14:08,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:14:08,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2024-07-22 11:14:08,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:14:08,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2024-07-22 11:14:08,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1676, Invalid=10534, Unknown=0, NotChecked=0, Total=12210 [2024-07-22 11:14:08,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:14:08,537 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:14:08,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 2.8378378378378377) internal successors, (315), 110 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:14:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:14:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:14:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:14:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:14:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:14:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:14:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-07-22 11:14:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-22 11:14:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 11:14:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:14:08,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:14:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:14:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:14:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:14:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:14:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:14:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-07-22 11:14:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-22 11:14:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 11:14:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-22 11:14:08,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-07-22 11:14:09,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-07-22 11:14:09,097 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:14:09,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:14:09,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1273727146, now seen corresponding path program 14 times [2024-07-22 11:14:09,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:14:09,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461273812] [2024-07-22 11:14:09,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:14:09,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:14:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:14:10,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 852 proven. 144 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-07-22 11:14:10,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:14:10,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461273812] [2024-07-22 11:14:10,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461273812] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:14:10,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237818602] [2024-07-22 11:14:10,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 11:14:10,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:14:10,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:14:10,088 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:14:10,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-07-22 11:14:10,374 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 11:14:10,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:14:10,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 31 conjunts are in the unsatisfiable core [2024-07-22 11:14:10,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:14:11,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 625 proven. 112 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-07-22 11:14:11,268 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:14:11,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 659 proven. 78 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-07-22 11:14:11,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237818602] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:14:11,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:14:11,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 29] total 84 [2024-07-22 11:14:11,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844803411] [2024-07-22 11:14:11,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:14:11,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-07-22 11:14:11,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:14:11,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-07-22 11:14:11,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1255, Invalid=5885, Unknown=0, NotChecked=0, Total=7140 [2024-07-22 11:14:11,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:14:11,973 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:14:11,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 3.552941176470588) internal successors, (302), 84 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) [2024-07-22 11:14:11,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:14:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:14:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:14:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:14:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:14:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:14:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-07-22 11:14:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-22 11:14:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 11:14:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-22 11:14:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:14:12,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:14:12,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:14:12,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:14:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:14:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:14:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:14:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-07-22 11:14:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-22 11:14:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 11:14:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-22 11:14:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-22 11:14:12,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-07-22 11:14:12,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:14:12,476 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:14:12,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:14:12,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1396247117, now seen corresponding path program 15 times [2024-07-22 11:14:12,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:14:12,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293146357] [2024-07-22 11:14:12,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:14:12,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:14:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:14:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 589 proven. 464 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-07-22 11:14:15,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:14:15,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293146357] [2024-07-22 11:14:15,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293146357] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:14:15,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753225383] [2024-07-22 11:14:15,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 11:14:15,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:14:15,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:14:15,021 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:14:15,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-07-22 11:14:16,880 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2024-07-22 11:14:16,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:14:16,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 33 conjunts are in the unsatisfiable core [2024-07-22 11:14:16,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:14:18,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 785 proven. 224 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-07-22 11:14:18,113 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:14:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 918 proven. 91 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-07-22 11:14:19,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753225383] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:14:19,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:14:19,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 31, 31] total 120 [2024-07-22 11:14:19,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707177795] [2024-07-22 11:14:19,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:14:19,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2024-07-22 11:14:19,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:14:19,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2024-07-22 11:14:19,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1945, Invalid=12575, Unknown=0, NotChecked=0, Total=14520 [2024-07-22 11:14:19,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:14:19,332 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:14:19,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 3.5371900826446283) internal successors, (428), 120 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:14:19,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:14:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:14:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:14:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:14:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:14:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:14:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-07-22 11:14:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-22 11:14:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 11:14:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-22 11:14:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-07-22 11:14:19,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:14:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:14:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:14:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:14:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:14:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:14:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:14:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-07-22 11:14:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-22 11:14:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 11:14:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-22 11:14:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-22 11:14:19,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:14:19,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-07-22 11:14:19,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-07-22 11:14:19,959 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:14:19,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:14:19,959 INFO L85 PathProgramCache]: Analyzing trace with hash 18761526, now seen corresponding path program 16 times [2024-07-22 11:14:19,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:14:19,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102590446] [2024-07-22 11:14:19,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:14:19,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:14:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:14:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 589 proven. 478 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-07-22 11:14:22,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:14:22,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102590446] [2024-07-22 11:14:22,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102590446] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:14:22,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223935205] [2024-07-22 11:14:22,407 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-22 11:14:22,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:14:22,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:14:22,408 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:14:22,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-07-22 11:14:22,613 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-22 11:14:22,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 11:14:22,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 48 conjunts are in the unsatisfiable core [2024-07-22 11:14:22,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 11:14:24,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 16 proven. 946 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-07-22 11:14:24,502 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 11:14:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 588 proven. 374 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-07-22 11:14:26,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223935205] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 11:14:26,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 11:14:26,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 49, 38] total 147 [2024-07-22 11:14:26,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959316038] [2024-07-22 11:14:26,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 11:14:26,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2024-07-22 11:14:26,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 11:14:26,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2024-07-22 11:14:26,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2362, Invalid=19100, Unknown=0, NotChecked=0, Total=21462 [2024-07-22 11:14:26,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:14:26,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 11:14:26,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 3.108843537414966) internal successors, (457), 147 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 11:14:26,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:14:26,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:14:26,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:26,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:26,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:14:26,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:14:26,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:26,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:14:26,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:26,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:14:26,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-07-22 11:14:26,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-22 11:14:26,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 11:14:26,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-07-22 11:14:26,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-07-22 11:14:26,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:14:26,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 11:14:35,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 11:14:35,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 11:14:35,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:35,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:35,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 11:14:35,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 11:14:35,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 11:14:35,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 11:14:35,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 11:14:35,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-07-22 11:14:35,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-07-22 11:14:35,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-22 11:14:35,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 11:14:35,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-07-22 11:14:35,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-22 11:14:35,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 11:14:35,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-07-22 11:14:35,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-07-22 11:14:35,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-07-22 11:14:35,560 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 11:14:35,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 11:14:35,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1211154460, now seen corresponding path program 17 times [2024-07-22 11:14:35,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 11:14:35,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357895843] [2024-07-22 11:14:35,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 11:14:35,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 11:14:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 11:14:40,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2589 backedges. 2003 proven. 466 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-07-22 11:14:40,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 11:14:40,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357895843] [2024-07-22 11:14:40,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357895843] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 11:14:40,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639809080] [2024-07-22 11:14:40,959 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-22 11:14:40,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 11:14:40,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 11:14:40,961 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 11:14:40,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process Killed by 15