./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-max.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 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-17 23:37:16,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 23:37:16,620 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 23:37:16,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 23:37:16,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 23:37:16,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 23:37:16,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 23:37:16,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 23:37:16,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 23:37:16,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 23:37:16,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 23:37:16,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 23:37:16,657 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 23:37:16,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 23:37:16,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 23:37:16,660 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 23:37:16,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 23:37:16,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 23:37:16,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 23:37:16,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 23:37:16,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 23:37:16,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 23:37:16,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 23:37:16,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 23:37:16,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 23:37:16,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 23:37:16,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 23:37:16,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 23:37:16,664 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 23:37:16,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 23:37:16,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 23:37:16,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 23:37:16,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 23:37:16,665 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 23:37:16,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 23:37:16,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 23:37:16,666 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 23:37:16,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 23:37:16,667 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 23:37:16,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 23:37:16,667 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 23:37:16,668 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 -> 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Seed for random criterion -> 213 [2024-10-17 23:37:16,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 23:37:16,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 23:37:16,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 23:37:16,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 23:37:16,946 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 23:37:16,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c [2024-10-17 23:37:18,313 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 23:37:18,501 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 23:37:18,501 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c [2024-10-17 23:37:18,511 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2fa39f0cb/6fcd3d4255974c6da1e3c3a3ae203f41/FLAG47e69f530 [2024-10-17 23:37:18,523 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2fa39f0cb/6fcd3d4255974c6da1e3c3a3ae203f41 [2024-10-17 23:37:18,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 23:37:18,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 23:37:18,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 23:37:18,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 23:37:18,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 23:37:18,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:37:18" (1/1) ... [2024-10-17 23:37:18,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60cb5616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:37:18, skipping insertion in model container [2024-10-17 23:37:18,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:37:18" (1/1) ... [2024-10-17 23:37:18,553 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 23:37:18,781 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-three-array-max.wvr.c[2862,2875] [2024-10-17 23:37:18,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 23:37:18,806 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 23:37:18,826 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-three-array-max.wvr.c[2862,2875] [2024-10-17 23:37:18,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 23:37:18,847 INFO L204 MainTranslator]: Completed translation [2024-10-17 23:37:18,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:37:18 WrapperNode [2024-10-17 23:37:18,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 23:37:18,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 23:37:18,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 23:37:18,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 23:37:18,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:37:18" (1/1) ... [2024-10-17 23:37:18,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:37:18" (1/1) ... [2024-10-17 23:37:18,890 INFO L138 Inliner]: procedures = 25, calls = 42, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 222 [2024-10-17 23:37:18,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 23:37:18,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 23:37:18,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 23:37:18,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 23:37:18,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:37:18" (1/1) ... [2024-10-17 23:37:18,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:37:18" (1/1) ... [2024-10-17 23:37:18,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:37:18" (1/1) ... [2024-10-17 23:37:18,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:37:18" (1/1) ... [2024-10-17 23:37:18,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:37:18" (1/1) ... [2024-10-17 23:37:18,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:37:18" (1/1) ... [2024-10-17 23:37:18,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:37:18" (1/1) ... [2024-10-17 23:37:18,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:37:18" (1/1) ... [2024-10-17 23:37:18,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 23:37:18,929 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 23:37:18,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 23:37:18,929 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 23:37:18,930 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:37:18" (1/1) ... [2024-10-17 23:37:18,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 23:37:18,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:37:18,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-17 23:37:18,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-17 23:37:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 23:37:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-17 23:37:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-17 23:37:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-17 23:37:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-17 23:37:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-17 23:37:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-17 23:37:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 23:37:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-17 23:37:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 23:37:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 23:37:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-17 23:37:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 23:37:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 23:37:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-17 23:37:19,009 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 23:37:19,107 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 23:37:19,108 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 23:37:19,514 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 23:37:19,514 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 23:37:19,884 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 23:37:19,884 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-17 23:37:19,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:37:19 BoogieIcfgContainer [2024-10-17 23:37:19,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 23:37:19,888 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 23:37:19,888 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 23:37:19,892 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 23:37:19,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 11:37:18" (1/3) ... [2024-10-17 23:37:19,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1690dd5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:37:19, skipping insertion in model container [2024-10-17 23:37:19,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:37:18" (2/3) ... [2024-10-17 23:37:19,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1690dd5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:37:19, skipping insertion in model container [2024-10-17 23:37:19,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:37:19" (3/3) ... [2024-10-17 23:37:19,895 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-max.wvr.c [2024-10-17 23:37:19,916 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 23:37:19,917 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 23:37:19,917 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 23:37:19,971 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-17 23:37:20,016 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 23:37:20,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 23:37:20,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:37:20,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 23:37:20,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-17 23:37:20,121 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 23:37:20,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:20,139 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 23:37:20,145 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@512edb65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-10-17 23:37:20,147 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-17 23:37:21,444 INFO L396 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)] === [2024-10-17 23:37:21,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:21,449 INFO L85 PathProgramCache]: Analyzing trace with hash -919869646, now seen corresponding path program 1 times [2024-10-17 23:37:21,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:37:21,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149688337] [2024-10-17 23:37:21,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:21,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:21,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 23:37:21,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:37:21,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149688337] [2024-10-17 23:37:21,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149688337] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 23:37:21,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 23:37:21,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 23:37:21,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781335648] [2024-10-17 23:37:21,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 23:37:21,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 23:37:21,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:37:21,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 23:37:21,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 23:37:21,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:21,949 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:37:21,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:37:21,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:22,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:22,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 23:37:22,034 INFO L396 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)] === [2024-10-17 23:37:22,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:22,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1195672841, now seen corresponding path program 1 times [2024-10-17 23:37:22,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:37:22,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719410433] [2024-10-17 23:37:22,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:22,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:22,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 23:37:22,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:37:22,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719410433] [2024-10-17 23:37:22,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719410433] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 23:37:22,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 23:37:22,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 23:37:22,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132155457] [2024-10-17 23:37:22,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 23:37:22,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 23:37:22,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:37:22,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 23:37:22,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 23:37:22,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:22,180 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:37:22,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:37:22,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:22,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:22,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:22,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-17 23:37:22,274 INFO L396 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)] === [2024-10-17 23:37:22,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:22,279 INFO L85 PathProgramCache]: Analyzing trace with hash 146862368, now seen corresponding path program 1 times [2024-10-17 23:37:22,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:37:22,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760089397] [2024-10-17 23:37:22,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:22,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:22,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 23:37:22,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:37:22,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760089397] [2024-10-17 23:37:22,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760089397] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:37:22,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658565333] [2024-10-17 23:37:22,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:22,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:22,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:37:22,457 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) [2024-10-17 23:37:22,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-17 23:37:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:22,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-17 23:37:22,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:37:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 23:37:22,657 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:37:22,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 23:37:22,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658565333] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:37:22,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:37:22,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-17 23:37:22,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417210976] [2024-10-17 23:37:22,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:37:22,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-17 23:37:22,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:37:22,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-17 23:37:22,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-10-17 23:37:22,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:22,729 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:37:22,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:37:22,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:22,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:22,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:22,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:22,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-17 23:37:23,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-17 23:37:23,078 INFO L396 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)] === [2024-10-17 23:37:23,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:23,078 INFO L85 PathProgramCache]: Analyzing trace with hash 86409586, now seen corresponding path program 2 times [2024-10-17 23:37:23,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:37:23,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783125600] [2024-10-17 23:37:23,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:23,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-17 23:37:23,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:37:23,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783125600] [2024-10-17 23:37:23,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783125600] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:37:23,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052349403] [2024-10-17 23:37:23,254 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 23:37:23,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:23,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:37:23,256 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:37:23,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-17 23:37:23,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-17 23:37:23,361 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:37:23,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-17 23:37:23,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:37:23,408 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:37:23,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 24 [2024-10-17 23:37:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-17 23:37:23,469 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 23:37:23,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052349403] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 23:37:23,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 23:37:23,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-17 23:37:23,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691935176] [2024-10-17 23:37:23,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 23:37:23,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 23:37:23,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:37:23,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 23:37:23,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-17 23:37:23,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:23,473 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:37:23,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:37:23,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:23,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:23,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:23,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:23,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:23,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:23,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:23,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:23,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-17 23:37:23,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:23,741 INFO L396 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)] === [2024-10-17 23:37:23,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:23,742 INFO L85 PathProgramCache]: Analyzing trace with hash 459678023, now seen corresponding path program 1 times [2024-10-17 23:37:23,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:37:23,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326504969] [2024-10-17 23:37:23,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:23,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:23,938 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-17 23:37:23,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:37:23,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326504969] [2024-10-17 23:37:23,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326504969] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:37:23,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539158182] [2024-10-17 23:37:23,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:23,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:23,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:37:23,942 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:37:23,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-17 23:37:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:24,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-17 23:37:24,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:37:24,139 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-17 23:37:24,139 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:37:24,200 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-17 23:37:24,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539158182] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-17 23:37:24,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-17 23:37:24,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2024-10-17 23:37:24,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261546045] [2024-10-17 23:37:24,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 23:37:24,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 23:37:24,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:37:24,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 23:37:24,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-17 23:37:24,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:24,203 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:37:24,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:37:24,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:24,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:24,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:24,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:24,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:24,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:24,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:24,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:24,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:24,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:24,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-17 23:37:24,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:24,980 INFO L396 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)] === [2024-10-17 23:37:24,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:24,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1181805844, now seen corresponding path program 1 times [2024-10-17 23:37:24,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:37:24,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857884639] [2024-10-17 23:37:24,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:24,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:25,186 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 23:37:25,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:37:25,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857884639] [2024-10-17 23:37:25,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857884639] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:37:25,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828422055] [2024-10-17 23:37:25,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:25,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:25,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:37:25,190 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:37:25,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-17 23:37:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:25,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-17 23:37:25,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:37:25,426 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 23:37:25,426 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:37:25,517 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 23:37:25,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828422055] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:37:25,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:37:25,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2024-10-17 23:37:25,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758321437] [2024-10-17 23:37:25,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:37:25,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-17 23:37:25,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:37:25,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-17 23:37:25,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-10-17 23:37:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:25,520 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:37:25,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 16 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:37:25,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:25,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:25,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:25,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:25,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:25,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:25,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:25,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-17 23:37:25,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-17 23:37:25,884 INFO L396 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)] === [2024-10-17 23:37:25,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:25,885 INFO L85 PathProgramCache]: Analyzing trace with hash -751027110, now seen corresponding path program 2 times [2024-10-17 23:37:25,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:37:25,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761105895] [2024-10-17 23:37:25,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:25,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:26,151 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 23:37:26,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:37:26,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761105895] [2024-10-17 23:37:26,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761105895] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:37:26,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390643960] [2024-10-17 23:37:26,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 23:37:26,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:26,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:37:26,154 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:37:26,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-17 23:37:26,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 23:37:26,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:37:26,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-17 23:37:26,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:37:26,419 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 23:37:26,419 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:37:26,532 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 23:37:26,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390643960] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:37:26,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:37:26,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2024-10-17 23:37:26,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975086354] [2024-10-17 23:37:26,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:37:26,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-17 23:37:26,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:37:26,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-17 23:37:26,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-17 23:37:26,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:26,537 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:37:26,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.222222222222222) internal successors, (76), 17 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:37:26,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:26,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:26,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:26,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:26,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:26,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:26,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:27,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:27,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:27,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:27,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:27,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:27,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:27,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:37:27,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-17 23:37:27,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:27,298 INFO L396 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)] === [2024-10-17 23:37:27,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:27,299 INFO L85 PathProgramCache]: Analyzing trace with hash -897168428, now seen corresponding path program 3 times [2024-10-17 23:37:27,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:37:27,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605516599] [2024-10-17 23:37:27,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:27,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:27,639 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-17 23:37:27,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:37:27,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605516599] [2024-10-17 23:37:27,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605516599] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:37:27,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545112823] [2024-10-17 23:37:27,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 23:37:27,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:27,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:37:27,644 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:37:27,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-17 23:37:27,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-17 23:37:27,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:37:27,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-17 23:37:27,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:37:27,890 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-17 23:37:27,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:37:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-17 23:37:28,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545112823] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:37:28,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:37:28,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2024-10-17 23:37:28,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101776843] [2024-10-17 23:37:28,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:37:28,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-17 23:37:28,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:37:28,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-17 23:37:28,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-10-17 23:37:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:28,018 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:37:28,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.352941176470588) internal successors, (91), 17 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:37:28,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:28,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:28,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:28,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:28,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:28,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:28,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:37:28,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:37:29,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:37:29,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-17 23:37:29,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-17 23:37:29,241 INFO L396 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)] === [2024-10-17 23:37:29,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:29,242 INFO L85 PathProgramCache]: Analyzing trace with hash 120232691, now seen corresponding path program 1 times [2024-10-17 23:37:29,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:37:29,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527908751] [2024-10-17 23:37:29,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:29,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 33 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-17 23:37:29,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:37:29,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527908751] [2024-10-17 23:37:29,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527908751] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:37:29,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217555306] [2024-10-17 23:37:29,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:29,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:29,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:37:29,575 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:37:29,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-17 23:37:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:29,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-17 23:37:29,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:37:29,902 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 36 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-17 23:37:29,902 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:37:30,079 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 40 proven. 12 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-17 23:37:30,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217555306] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:37:30,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:37:30,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 22 [2024-10-17 23:37:30,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320658985] [2024-10-17 23:37:30,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:37:30,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-17 23:37:30,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:37:30,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-17 23:37:30,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2024-10-17 23:37:30,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:30,082 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:37:30,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.608695652173913) internal successors, (106), 22 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) [2024-10-17 23:37:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:30,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:30,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:30,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:30,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:30,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:37:30,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:37:30,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:30,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:30,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:30,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:37:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:37:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:37:30,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-17 23:37:30,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:30,955 INFO L396 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)] === [2024-10-17 23:37:30,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:30,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1075639571, now seen corresponding path program 2 times [2024-10-17 23:37:30,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:37:30,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99080716] [2024-10-17 23:37:30,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:30,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 69 proven. 20 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-17 23:37:31,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:37:31,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99080716] [2024-10-17 23:37:31,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99080716] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:37:31,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701504546] [2024-10-17 23:37:31,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 23:37:31,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:31,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:37:31,385 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:37:31,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-17 23:37:31,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 23:37:31,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:37:31,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-17 23:37:31,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:37:31,809 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-17 23:37:31,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:37:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-17 23:37:32,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701504546] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:37:32,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:37:32,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 26 [2024-10-17 23:37:32,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240785620] [2024-10-17 23:37:32,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:37:32,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-17 23:37:32,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:37:32,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-17 23:37:32,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2024-10-17 23:37:32,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:32,009 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:37:32,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.666666666666667) internal successors, (126), 26 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:37:32,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:32,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:32,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:32,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:32,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:32,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:32,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:37:32,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:37:32,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:37:32,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:32,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:32,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:32,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:32,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:32,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:32,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:32,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:37:32,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:37:32,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:37:32,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:37:32,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-17 23:37:32,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-17 23:37:32,417 INFO L396 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)] === [2024-10-17 23:37:32,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:32,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1093030107, now seen corresponding path program 3 times [2024-10-17 23:37:32,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:37:32,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90936013] [2024-10-17 23:37:32,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:32,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:32,834 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 51 proven. 42 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-17 23:37:32,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:37:32,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90936013] [2024-10-17 23:37:32,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90936013] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:37:32,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343025701] [2024-10-17 23:37:32,835 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 23:37:32,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:32,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:37:32,837 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:37:32,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-17 23:37:32,985 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-17 23:37:32,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:37:32,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-17 23:37:32,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:37:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-10-17 23:37:33,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:37:33,258 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-17 23:37:33,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343025701] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:37:33,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:37:33,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 7] total 26 [2024-10-17 23:37:33,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608314819] [2024-10-17 23:37:33,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:37:33,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-17 23:37:33,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:37:33,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-17 23:37:33,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=572, Unknown=0, NotChecked=0, Total=650 [2024-10-17 23:37:33,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:33,261 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:37:33,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.653846153846154) internal successors, (121), 26 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:37:33,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:33,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:33,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:33,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:33,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:33,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:33,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:37:33,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:37:33,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:37:33,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:37:33,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:35,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:35,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:35,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:35,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:35,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:35,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:35,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:37:35,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:37:35,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:37:35,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:37:35,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-10-17 23:37:35,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-17 23:37:35,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-17 23:37:35,886 INFO L396 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)] === [2024-10-17 23:37:36,050 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 23:37:36,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 23 [2024-10-17 23:37:38,144 INFO L85 PathProgramCache]: Analyzing trace with hash 2020005318, now seen corresponding path program 1 times [2024-10-17 23:37:38,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:38,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:38,558 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 60 proven. 63 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-17 23:37:38,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:38,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:38,943 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 60 proven. 63 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-17 23:37:38,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:38,943 INFO L85 PathProgramCache]: Analyzing trace with hash 570186389, now seen corresponding path program 4 times [2024-10-17 23:37:38,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:37:38,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447252977] [2024-10-17 23:37:38,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:38,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 111 proven. 29 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-17 23:37:39,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:37:39,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447252977] [2024-10-17 23:37:39,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447252977] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:37:39,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151586059] [2024-10-17 23:37:39,371 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 23:37:39,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:39,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:37:39,373 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:37:39,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-17 23:37:39,496 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 23:37:39,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:37:39,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-17 23:37:39,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:37:39,789 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 57 proven. 68 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-10-17 23:37:39,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:37:39,876 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-10-17 23:37:39,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151586059] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:37:39,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:37:39,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 6] total 27 [2024-10-17 23:37:39,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393979932] [2024-10-17 23:37:39,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:37:39,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-17 23:37:39,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:37:39,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-17 23:37:39,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=600, Unknown=0, NotChecked=0, Total=702 [2024-10-17 23:37:39,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:39,878 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:37:39,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.666666666666667) internal successors, (153), 27 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:37:39,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:39,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:39,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:39,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:39,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:39,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:39,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:37:39,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:37:39,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:37:39,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:37:39,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-10-17 23:37:39,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:40,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:37:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:37:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:37:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:37:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-10-17 23:37:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 23:37:40,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-17 23:37:41,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:41,162 INFO L396 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)] === [2024-10-17 23:37:41,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:41,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1036122872, now seen corresponding path program 4 times [2024-10-17 23:37:41,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:37:41,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677291701] [2024-10-17 23:37:41,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:41,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 23:37:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 18 proven. 75 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-17 23:37:41,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 23:37:41,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677291701] [2024-10-17 23:37:41,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677291701] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 23:37:41,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774012376] [2024-10-17 23:37:41,564 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 23:37:41,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 23:37:41,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 23:37:41,566 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 23:37:41,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-17 23:37:41,760 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 23:37:41,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 23:37:41,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-17 23:37:41,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 23:37:42,004 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 23 proven. 70 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-17 23:37:42,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 23:37:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 29 proven. 64 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-17 23:37:42,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774012376] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 23:37:42,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 23:37:42,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 32 [2024-10-17 23:37:42,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901534542] [2024-10-17 23:37:42,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 23:37:42,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-17 23:37:42,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 23:37:42,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-17 23:37:42,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=790, Unknown=0, NotChecked=0, Total=1056 [2024-10-17 23:37:42,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:42,211 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 23:37:42,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.303030303030303) internal successors, (142), 32 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 23:37:42,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:42,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:42,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:42,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:42,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:42,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:42,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:37:42,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:37:42,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:37:42,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:37:42,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-10-17 23:37:42,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 23:37:42,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 23:37:43,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:43,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 23:37:43,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:43,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 23:37:43,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 23:37:43,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 23:37:43,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 23:37:43,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-17 23:37:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-17 23:37:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 23:37:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-10-17 23:37:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-17 23:37:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-17 23:37:43,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-17 23:37:43,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-17 23:37:43,575 INFO L396 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)] === [2024-10-17 23:37:43,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 23:37:43,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1155377202, now seen corresponding path program 5 times [2024-10-17 23:37:43,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 23:37:43,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039666292] [2024-10-17 23:37:43,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 23:37:43,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 23:37:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Killed by 15